Provide a minimal set of RISC-V instructions that may be used to implement nor X5, X6, x7, x8, x9---- -(3 credits) Ans:

Answers

Answer 1

By answering the presented question, we may conclude that  Other commands might be used to achieve the same outcome, but these are the most commonly used.

what is expression ?

In mathematics, you can multiply, divide, add, or subtract. An expression is constructed as follows: Number, expression, and mathematical operator A mathematical expression is made up of numbers, variables, and functions (such as addition, subtraction, multiplication or division etc.) It is possible to contrast expressions and phrases. An expression or algebraic expression is any mathematical statement that has variables, integers, and an arithmetic operation between them. For example, the phrase 4m + 5 has the terms 4m and 5, as well as the provided expression's variable m, all separated by the arithmetic sign +.

The following RISC-V instructions can be used to accomplish the NOR operation between registers X5 and X6 and store the result in register X7:

 OR   t0, x5, x6     // t0 = X5 | X6

 NOT  t0, t0         // t0 = ~(X5 | X6)

 ADDI x7, x0, 0      // zero out X7

 XOR  x7, t0, x7     // X7 = ~(X5 | X6)

The following RISC-V instructions can be used to accomplish the NOR operation between registers X8 and X9 and store the result in register X7:

 // X7 = ~(X8 | X9)

 OR   t0, x8, x9     // t0 = X8 | X9

 NOT  t0, t0         // t0 = ~(X8 | X9)

 ADDI x7, x0, 0      // zero out X7

 XOR  x7, t0, x7     // X7 = ~(X8 | X9)

The NOR result is calculated using bitwise OR and NOT operations, and the result is stored in the destination register using XOR. Before executing the XOR operation, the ADDI instruction is used to set the destination register to zero. Other commands might be used to achieve the same outcome, but these are the most commonly used.

To know more about expressions visit :-

https://brainly.com/question/14083225

#SPJ1


Related Questions

2. show the calculation to find the μ and σ of a binomial variable whose probability of success if 0.7 with a total number of attempts of 40.

Answers

The mean of the binomial variable is 28 and the standard deviation is 2.72, given a probability of success of 0.7 with a total number of attempts of 40.

To calculate the mean (μ) and standard deviation (σ) of a binomial variable, we use the following formulas

μ = np

σ = sqrt(np × (1-p))

where n is the number of trials, and p is the probability of success for each trial.

In this case, the probability of success is 0.7, the number of trials is 40. So:

μ = 400.7 = 28

σ = sqrt(400.7 × (1-0.7)) = 2.72

Therefore, the mean of the binomial variable is 28, and the standard deviation is 2.72

Learn more about standard deviation here

brainly.com/question/23907081

#SPJ4

Consider the initial value problem: y00 + y0−2y = 0, y(0) = 2, y0(0) = β a For which value of β does the solution satisfy limt→[infinity]y(t) = 0 ? b For which value(s) of β is the solution y(t) never = 0 for all t? That is, for which value(s) of β does the graph of the solution, y(t), never touch the t−axis?

Answers

a) To find the value of β that satisfies limt→[infinity]y(t) = 0, we can first find the general solution of the differential equation. So the value(s) of β for which the solution y(t) is never equal to 0 for all t is [tex]β ∈ (-∞, -2) U (-2/3, ∞)[/tex]

The characteristic equation is [tex]r^2 + r - 2 = 0[/tex], which has roots r = 1 and r = -2.

Therefore, the general solution is[tex]y(t) = c1e^t + c2e^-2t.[/tex]

Using the initial conditions y(0) = 2 and y'(0) = β, we can solve for the constants c1 and c2:

[tex]c1 + c2 = 2[/tex]

[tex]c1 - 2c2 = β[/tex]

Solving this system of equations, we get [tex]c1 = 2 - β/3[/tex] and [tex]c2 = β/3.[/tex]

Therefore, the solution is y(t) =[tex](2 - β/3)e^t[/tex] + [tex]β/3)e^-2t[/tex]. To satisfy limt→[infinity]y(t) = 0, we need the coefficient of e^t to be 0, which gives us 2 - β/3 = 0. Solving for β, we get β = 6.

So the value of β that satisfies limt→[infinity]y(t) = 0 is β = 6.

b) To find the value(s) of β for which the solution y(t) is never equal to 0 for all t, we can use the fact that the discriminant of the characteristic equation determines the nature of the roots.

In this case, the characteristic equation is r^2 + r - 2 = 0, which has roots r = 1 and r = -2. These are distinct real roots, so the general solution is y(t) = [tex]c1e^t + c2e^-2t.[/tex]

For y(t) differential equation to never be equal to 0 for all t, we need both constants c1 and c2 to be nonzero. Using the initial condition y(0) = 2, we get c1 + c2 = 2.

Using the second initial condition y'(0) = β, we get c1 - 2c2 = β.

Solving these equations, we get [tex]c1 = (2β + 4)/5[/tex] and [tex]c2 = (6 - β)/5.[/tex]

Therefore, y(t) is never equal to 0 for all t if and only if both c1 and c2 are nonzero, which is true if and only if the coefficients satisfy the inequality (2β + 4)(6 - β) ≠ 0. Solving this inequality, we get [tex]β ∈ (-∞, -2) U (-2/3, ∞).[/tex]

To learn more about differential equation, visit here

https://brainly.com/question/31583235

#SPJ4

Widely known kite ABCD
35cm square
. Gerrard made a kite
with the length of each diagonal
each twice the length of the diagonal of the kite
ABCD kite. Calculate the area of the kite
the new one !

Answers

Thus, the area of new kite with its diagonal doubled is found as: 140 sq. cm.

Explain about the shape of kite :

The area a kite encloses is known as its area of flight. A quadrilateral with two sets of neighbouring sides that are equal is referred to as a kite. A kite is made up of four angles, four sides, and two diagonals.

The product of a lengths of a kite's diagonals divides its area in half.

The area of the kite ABCD = 35 cm square.

The formula for the area of kite = 1/2*(d)*(D)

d - length of small diagonal

D - length of large diagonal.

Then,

35 =  1/2*(d)*(D)

(d)*(D) = 35*2

(d)*(D) = 70 cm sq.  ..eq 1

Now, the length of diagonals of new kite are doubles that is 2d and 2D.

Area of new kite = 1/2 *(2d)*(2D)

Area of new kite = 1/2 *4*(d)*(D)

Area of new kite = 2 *(d)*(D)

Put the value of (d)*(D) from eq 1.

Area of new kite = 2*70

Area of new kite = 140 sq. cm

Thus, the area of the new kite with its diagonal doubled is found as: 140 sq. cm.

Know more about the kite

https://brainly.com/question/12160818

#SPJ1

Which two shapes below are congruent?

Answers

Answer:

A and E

Step-by-step explanation:

They are the same shape and size if rotated properly.

Answer:

A and E

Step-by-step explanation:

when rotated they are the same shape and size

With linear indexing, what is the logical index array to display both the cMat(1,1) and the cMat(2,2) as a row? cMat = [[10,20] ; [30,40]].

Answers

To display both cMat(1,1) and cMat(2,2) as a row using linear indexing, we can create a logical index array that selects these elements in sequence. The linear index of cMat(1,1) is 1, and the linear index of cMat(2,2) is 4 (since there are two columns in cMat). Therefore, we can create a logical index array as follows:

logical_index = [1,4];

We can then use this logical index array to select the desired elements from cMat:

cMat(logical_index)

This will output a row vector with the values 10 and 40, which correspond to cMat(1,1) and cMat(2,2), respectively.
To display both cMat(1,1) and cMat(2,2) as a row using linear indexing, you would use the logical index array [1, 4]. In this case, cMat(1,1) corresponds to the value 10, and cMat(2,2) corresponds to the value 40. The resulting row would be [10, 40].

Visit here to learn more about row vector brainly.com/question/15106051

#SPJ11

Given: ABCD is a parallelogram and D is the midpoint of AE
Prove: BD is congruent to CE

Answers

The solution is:

The proof is given below.

Here, we have,

Given a parallelogram ABCD. Diagonals AC and BD intersect at E. We have to prove that AE is congruent to CE and BE is congruent to DE i.e diagonals of parallelogram bisect each other.

In ΔACD and ΔBEC

AD=BC              (∵Opposite sides of parallelogram are equal)

∠DAC=∠BCE       (∵Alternate angles)

∠ADC=∠CBE        (∵Alternate angles)

By ASA rule, ΔACD≅ΔBEC

By CPCT(Corresponding Parts of Congruent triangles)

AE=EC and DE=EB

Hence, AE is conruent to CE and BE is congruent to DE.

To learn more on parallelogram click:

brainly.com/question/6166074

#SPJ1

complete question:

Proving the Parallelogram Diagonal Theorem

Given ABCD is a parralelogam, Diagnals AC and BD intersect at E

Prove AE is conruent to CE and BE is congruent to DE

find the indefinite integral using the substitution x = 7 tan(θ). (use c for the constant of integration.) ∫x/7 √(49+x^2) dx

Answers

The indefinite integral of x/7 √[tex](49+x^2)[/tex] dx using the substitution x = 7 tan(θ) is -7√(1 + [tex](x/7)^2[/tex]) + C.

How to find the indefinite integral using the substitution?

Let x = 7 tan(θ), then dx/dθ =[tex]7 sec^2(\theta )[/tex], or dx = [tex]7 sec^2(\theta)[/tex]dθ.

Substituting into the integral, we get:

∫x/7 √(49+[tex]x^2[/tex]) dx = ∫tan(θ) √(49 + 49 [tex]tan^2(\theta)[/tex]) * 7 s[tex]ec^2[/tex](θ) dθ

= 7∫tan(θ) sec(θ) sec(θ) dθ

= 7∫sin(θ) dθ

= -7cos(θ) + C, where C is the constant of integration.

Substituting back x = 7 tan(θ), we get:

-7cos(θ) + C = -7cos(arctan(x/7)) + C

= -7√(1 + [tex](x/7)^2[/tex]) + C.

Therefore, the indefinite integral of x/7 √[tex](49+x^2)[/tex] dx using the substitution x = 7 tan(θ) is:

-7√(1 + [tex](x/7)^2[/tex]) + C.

Learn more about indefinite integral

brainly.com/question/31549819

#SPJ11

Identify the surface whose equation is given.rho=cos ϕ

Answers

The surface whose equation is given by ρ = cos ϕ is a type of conical surface in the spherical coordinate system. In this equation, ρ represents the radial distance from the origin, and ϕ denotes the polar angle.

Explanation:

The surface described by the equation ρ = cos(ϕ) is a type of conical surface in the spherical coordinate system. Let's break down the explanation step by step:

Spherical Coordinate System: The spherical coordinate system is a three-dimensional coordinate system used to represent points in space using three parameters - radial distance (ρ), polar angle (ϕ), and azimuthal angle (θ). The radial distance ρ represents the distance from the origin (0,0,0) to a point in space, ϕ represents the polar angle measured from the positive z-axis (ranging from 0 to π), and θ represents the azimuthal angle measured from the positive x-axis in the xy-plane (ranging from 0 to 2π).

Equation ρ = cos(ϕ): The equation ρ = cos(ϕ) describes a relationship between the radial distance ρ and the polar angle ϕ. It specifies that for any given value of the polar angle ϕ, the radial distance ρ should be equal to the cosine of ϕ.

Conical Surface: In the context of the spherical coordinate system, a conical surface is a surface that forms a cone shape with its apex at the origin. The equation ρ = cos(ϕ) describes a conical surface because it specifies that the radial distance ρ is determined by the cosine of the polar angle ϕ.

Shape of the Surface: As the polar angle ϕ varies, the equation ρ = cos(ϕ) determines the radial distance ρ at each point on the surface. Since the radial distance is only determined by the cosine of the polar angle, the surface will have a conical shape. Specifically, the surface will form a cone with its apex at the origin and its base expanding outward as ϕ increases from 0 to π. The radius of the base of the cone will vary with the value of ϕ, as determined by the cosine function. When ϕ = 0, the base of the cone will have its maximum radius, equal to 1 (since cos(0) = 1), and as ϕ increases towards π, the radius of the base will decrease until it reaches its minimum value of -1 (since cos(π) = -1). The surface will extend infinitely in the positive and negative z-directions.

In conclusion, the surface described by the equation ρ = cos(ϕ) in the spherical coordinate system is a type of conical surface, forming a cone with its apex at the origin and its base expanding outward as the polar angle ϕ increases, with the radius of the base varying based on the cosine of ϕ.

Know more about the Conical Surface click here:

https://brainly.com/question/4446667

#SPJ11

find dy/dx by implicit differentiation, given that x^2y−2y^4=−6. your answer could involve both x and y.

Answers

Derivative dy/dx by implicit differentiation is dy/dx = -2xy / (x^2 - 8y^3)

How to find dy/dx using implicit differentiation?

To find dy/dx using implicit differentiation, we differentiate both sides of the given equation with respect to x, using the chain rule for the terms involving y:

d/dx (x^2y - 2y^4) = d/dx (-6)

Using the product rule, we get:

2xy + x^2(dy/dx) - 8y^3(dy/dx) = 0

Now we can solve for dy/dx:

(dy/dx)(x^2 - 8y^3) = -2xy

dy/dx = -2xy / (x^2 - 8y^3)

So the derivative dy/dx can be expressed in terms of both x and y.

Learn more about implicit differentiation

brainly.com/question/11887805

#SPJ11

Least square curve fit can fit the data points to the following models: (select all that are applicable)
a) sinusoidal model (including sine and cosine functions)
b) exponential model
c) polynomial model of appropriate order
d) power curve (y=c1xc2y=c1xc2 )

Answers

Since the least square curve fit method is a flexible method for approximating the best fit to a given set of data points using several mathematical models, all of these models are suitable.

The applicable model for the least square curve fit depends on the type of data being analyzed. In this case, the question mentions a sinusoidal model as one of the options. Therefore, a least square curve fit can fit data points to a sinusoidal model, which includes sine and cosine functions. However, it may not necessarily be able to fit the data points to an exponential model, polynomial model of appropriate order, or power curve.
Least square curve fit can fit the data points to the following models:

a) sinusoidal model (including sine and cosine functions)
b) exponential model
c) polynomial model of appropriate order
d) power curve ([tex]y=c1x^(c2)[/tex])

All of these models are applicable because the least square curve fit method is a versatile technique for approximating the best fit to a given set of data points using different mathematical models.

Learn more about curve here:

https://brainly.com/question/24446378

#SPJ11

Since the least square curve fit method is a flexible method for approximating the best fit to a given set of data points using several mathematical models, all of these models are suitable.

The applicable model for the least square curve fit depends on the type of data being analyzed. In this case, the question mentions a sinusoidal model as one of the options. Therefore, a least square curve fit can fit data points to a sinusoidal model, which includes sine and cosine functions. However, it may not necessarily be able to fit the data points to an exponential model, polynomial model of appropriate order, or power curve.
Least square curve fit can fit the data points to the following models:

a) sinusoidal model (including sine and cosine functions)
b) exponential model
c) polynomial model of appropriate order
d) power curve ([tex]y=c1x^(c2)[/tex])

All of these models are applicable because the least square curve fit method is a versatile technique for approximating the best fit to a given set of data points using different mathematical models.

Learn more about curve here:

https://brainly.com/question/24446378

#SPJ11

__________________ sampling is a sampling plan that selects every nth item form the population.
a. Simple random sampling
b. Stratified
c. Convenience
d. Systematic

Answers

Systematic sampling is a sampling plan that selects every nth item from the population. Therefore the correct option is (d) Systematic

Systematic sampling is a statistical sampling method that involves selecting every nth item from the population to create a representative sample. This sampling method is useful when the population is large and ordered in some way, such as in a list or sequence.

To conduct a systematic sample, researchers select a starting point at random and then choose every nth item from that point forward until the desired sample size is reached. The advantage of systematic sampling is that it is simpler and more efficient than other sampling methods, such as simple random sampling, while still providing a representative sample of the population.

Therefore, the correct option is (d) systematic

Learn more about systematic sampling here

brainly.com/question/28975411

#SPJ4

offering brainiest pls HELP!!.
Steven has a bag of 20 pieces of candy. Five are bubble gum, 8 are chocolates, 5 are fruit chews, and the rest are peppermints. If he randomly draws one piece of candy what is the probability that it will be chocolate?

A.

0.4

B.

0.45

C.

0.2

D.

0.8

offering brainiest

Answers

The probability of occurence of chocolate is 0.4 0r 40%. So the option A is the correct one.

What is probability?

Probability refers to the measure or quantification of the likelihood or chance of an event or outcome occurring. It is typically expressed as a numerical value ranging from 0 to 1, where 0 represents an impossible event and 1 represents a certain event.

What is random variable?

In probability theory and statistics, a random variable is a variable whose value is determined by the outcome of a random event or process. It is often denoted by a capital letter, such as X or Y, and it can take on different values with certain probabilities associated with each value.

Based on the given condition, formulate:

8/20=2/5

0.4 or 40%

Therefore option (A) is correct.

Learn more about variable here:

https://brainly.com/question/29583350

#SPJ1

The length of a rectangle is four times its width.
If the perimeter of the rectangle is 60 cm, find its length and width.

Answers

Answer: Length=24ft Width=6ft

Step-by-step explanation:

Perimeter= 2L+2W= 10 W= 60 and W=6ft and L=24ft

Area= Length x Width

let f(x)=10(3)2x−2. evaluate f(0) without using a calculator. do not include f(0) in your answer.

Answers

If function f(x)=10(3)2x−2, then f(0) = 10/9.

Explanation:

Step 1: To evaluate f(0), we can substitute x with 0 in the given function f(x) = 10(3)^(2x-2).

f(0) = 10(3)^(2(0)-2) = 10(3)^(-2)

Step 2: Now we know that a^(-n) = 1/a^n. So, we can rewrite 3^(-2) as 1/3^2.

f(0) = 10 * (1/3^2) = 10 * (1/9)

Finally, f(0) = 10/9.

Know more about the function click here:

https://brainly.com/question/12748855

#SPJ11

use elementary row or column operations to find the determinant. 3 −3 −2 3 1 2 −6 6 4

Answers

To find the determinant using elementary row or column operations, we can use the following steps:

1. Rewrite the matrix in an augmented form with the identity matrix on the right:

3 -3 -2 | 1 0 0
3 1 2 | 0 1 0
-6 6 4 | 0 0 1

2. Use elementary row operations to transform the matrix into an upper triangular form:

R2 = R2 - R1
R3 = R3 + 2R1
R3 = R3 + 2R2

3 -3 -2 | 1 0 0
0 4 4 | -1 1 0
0 0 0 | -2 2 1

3. The determinant of an upper triangular matrix is the product of its diagonal elements:

det(A) = 3 x 4 x 0 = 0

Therefore, the determinant of the original matrix is 0.

https://brainly.com/question/31485592
#SPJ11

use the criterion developed in mathchapter d to prove that δqrev in equation 6.1 is not an exact differential (see also problem d-11).

Answers

To prove that δqrev in equation 6.1 is not an exact differential, we can use the criterion developed in math chapter d. The criterion states that if a differential equation is exact, then its partial derivatives must satisfy the condition ∂M/∂y = ∂N/∂x.

In equation 6.1, δqrev is defined as δqrev = TdS. If we express δqrev in terms of its partial derivatives, we get:
∂(δqrev)/∂S = T
∂(δqrev)/∂T = S

Now, let's calculate the partial derivatives of ∂(∂(δqrev)/∂S)/∂T and ∂(∂(δqrev)/∂T)/∂S:
∂(∂(δqrev)/∂S)/∂T = ∂T/∂S = 0 (since T does not depend on S)
∂(∂(δqrev)/∂T)/∂S = ∂S/∂T = 0 (since S does not depend on T)

Since these partial derivatives are equal to zero, we can conclude that δqrev is not an exact differential, as it does not satisfy the condition ∂M/∂y = ∂N/∂x.

Therefore, we have proven that δqrev in equation 6.1 is not an exact differential.

To learn more about “partial derivatives” refer to the https://brainly.com/question/31399205

#SPJ11

find y' if y = ln(5x^2 + 9y^2)

Answers

The derivative of y with respect to x is:

[tex]y' = [(5x) / (5x^2 + 9y^2)] + [(9y) / (5x^2 + 9y^2)] * dy/dx[/tex]

or

[tex]dy/dx = [(5x) / (5x^2 + 9y^2)] + [(9y) / (5x^2 + 9y^2)] * y'[/tex]

To find y', we need to use the chain rule of differentiation because we have a composite function (i.e., the natural logarithm function is applied to a function of x and y).

Let's start by applying the chain rule:

[tex]y' = d/dx [ln(5x^2 + 9y^2)]y' = (1 / (5x^2 + 9y^2)) * d/dx [5x^2 + 9y^2][/tex]

Now, we need to apply the chain rule to find the derivative of[tex]5x^2 + 9y^2[/tex]with respect to x:

[tex]d/dx [5x^2 + 9y^2] = d/dx [5x^2] + d/dx [9y^2][/tex]

[tex]d/dx [5x^2] = 10x[/tex]

[tex]d/dx [9y^2] = 18y * dy/dx[/tex]

(Note that we used the chain rule again to find [tex]dy/dx.)[/tex]

Substituting these derivatives into the expression for y', we get:

[tex]y' = (1 / (5x^2 + 9y^2)) * (10x + 18y * dy/dx)[/tex]

Finally, we can simplify this expression by solving for dy/dx:

[tex]y' = (10x + 18y * dy/dx) / (5x^2 + 9y^2)[/tex]

Multiplying both sides by (5x^2 + 9y^2), we get:

[tex]y' * (5x^2 + 9y^2) = 10x + 18y * dy/dx[/tex]

Solving for dy/dx, we obtain:

[tex]dy/dx = (y' * (5x^2 + 9y^2) - 10x) / 18y[/tex]

Therefore, the derivative of y with respect to x is:

[tex]y' = [(5x) / (5x^2 + 9y^2)] + [(9y) / (5x^2 + 9y^2)] * dy/dx[/tex]

or

[tex]dy/dx = [(5x) / (5x^2 + 9y^2)] + [(9y) / (5x^2 + 9y^2)] * y'[/tex]

To learn more about expression visit:

https://brainly.com/question/14083225

#SPJ11

Suppose f(x) = 1/3 x^2. (a) Find a formula for y = f(x - 14) in terms of the variable x. y = f(x - 14) = ((1/3)x -12))^2 (b) Sketch a graph of y = f(x - 14) on paper using graph transformations. Select the letter of the graph A-E that matches your graph:

Answers

The formula for y = f(x - 14) in terms of the variable x is y = (1/3)(x - 14)^2. To sketch the graph, draw a parabola and shift it 14 units to the right.



(a) To get a formula for y = f(x - 14) in terms of the variable x, substitute (x - 14) for x in the given function f(x) = (1/3)x^2:
y = f(x - 14) = (1/3)(x - 14)^2
(b) To sketch a graph of y = f(x - 14) using graph transformations, consider that the original function f(x) = (1/3)x^2 is a parabola. The transformation f(x - 14) shifts the graph 14 units to the right. Unfortunately, I cannot provide or select a graph letter from A-E, as there are no graphs provided here. However, to sketch it on paper, draw a parabola and shift it 14 units to the right.

Learn more about variable here, https://brainly.com/question/28248724

#SPJ11

Answer this math question for 25 points (Merry Christmas ;) )

Answers

Answer:

1. sin(A) = [tex]\frac{4}{5}[/tex]

2. cos(A) = [tex]\frac{3}{5}[/tex]

3. tan(A) = [tex]\frac{4}{3}[/tex]

4. sin(B) = [tex]\frac{3}{5}[/tex]

5. cos(B) = [tex]\frac{4}{5}[/tex]

6. tan(B) = [tex]\frac{3}{4}[/tex]

Step-by-step explanation:

Use SOHCAHTOA:

Sine = Opposite/Hypotenuse, Cosine = Adjacent/Hypotenuse, Tangent = Opposite/Adjacent.

1. sin(A) = opposite of A / hypotenuse of A = [tex]\frac{4}{5}[/tex]

2. cos(A) = adjacent of A / hypotenuse of A = [tex]\frac{3}{5}[/tex]

3. tan(A) = opposite of A / adjacent of A = [tex]\frac{4}{3}[/tex]

4. sin(B) = opposite of B / hypotenuse of B = [tex]\frac{3}{5}[/tex]

5. cos(B) = adjacent of B / hypotenuse of B = [tex]\frac{4}{5}[/tex]

6. tan(B) = opposite of B / adjacent of B = [tex]\frac{3}{4}[/tex]

A survey of US adults ages 18-24 found that 34% get the news on an average day. You randomly select 200 adults ages 18-24 and ask them if they get news on an average day. Find the mean and standard deviation (assuming you can use the normal dist to approximate this binomial dist).

Using the previous information, find the probability that at least 85 people say they get no news on an average day.

Answers

Answer: Approximately 5.21

Step-by-step explanation:

Given that the survey of US adults ages 18-24 found that 34% get the news on an average day, we can assume that the probability of an 18-24 year old getting news on an average day is p = 0.34. We also know that we have randomly selected 200 adults in this age group.

The mean of a binomial distribution is given by:

μ = np

where n is the sample size and p is the probability of success. Substituting the given values, we get:

μ = 200 x 0.34 = 68

Therefore, the mean number of adults ages 18-24 who get news on an average day is 68.

The standard deviation of a binomial distribution is given by:

σ = sqrt(np(1-p))

Substituting the given values, we get:

σ = sqrt(200 x 0.34 x 0.66) ≈ 5.21

Therefore, the standard deviation of the number of adults ages 18-24 who get news on an average day is approximately 5.21. Since the sample size is large (n=200), we can use the normal distribution to approximate the binomial distribution.

Answer:

The mean and standard deviation of the number of adults out of 200 who get news on an average day are mu = 68 and sigma = 5.36, respectively, assuming we can use the normal distribution to approximate the binomial distribution.

So the probability that at least 85 people say they get no news on an average day is approximately 0.0013 or 0.13%.

Step-by-step explanation:

Since the survey found that 34% of US adults ages 18-24 get news on an average day, we can assume that the probability of a randomly selected adult in this age group getting news on an average day is p = 0.34. Therefore, the number of adults out of 200 who get news on an average day follows a binomial distribution with parameters n = 200 and p = 0.34.

To use the normal distribution to approximate this binomial distribution, we need to check if the conditions for doing so are met. These conditions are:

np >= 10

n(1-p) >= 10

Here, np = 200 x 0.34 = 68 and n(1-p) = 200 x 0.66 = 132. Both of these values are greater than 10, so the conditions are met.

Now, we can approximate the binomial distribution with a normal distribution with mean mu = np = 68 and standard deviation sigma = sqrt(np(1-p)) = sqrt(200 x 0.34 x 0.66) = 5.36.

Therefore, the mean and standard deviation of the number of adults out of 200 who get news on an average day are mu = 68 and sigma = 5.36, respectively, assuming we can use the normal distribution to approximate the binomial distribution.

Using the previous information, to find the probability that at least 85 people say they get no news on an average day.

Let X be the number of people out of 200 who say they get no news on an average day. We want to find the probability that X is greater than or equal to 85.

Since the probability of any one person saying they get no news on an average day is q = 1 - p = 0.66, we can use the binomial distribution with parameters n = 200 and p = 0.34 to model the number of people who say they get news on an average day.

The probability of at least 85 people saying they get no news on an average day can be calculated using the complement rule:

P(X >= 85) = 1 - P(X < 85)

To use the normal distribution to approximate the binomial distribution, we need to standardize the variable X.

Z = (X - mu) / sigma

where mu = np = 68 and sigma = sqrt(npq) = 5.36, as calculated in the previous question.

Using the continuity correction, we can adjust the upper bound to P(X < 84.5) since we want the probability of at least 85 people saying they get no news.

Z = (84.5 - 68) / 5.36 = 3.00

Using a standard normal distribution table or calculator, we can find that P(Z < 3.00) = 0.9987.

Therefore, the probability of at least 85 people saying they get no news on an average day is:

P(X >= 85) = 1 - P(X < 85)

≈ 1 - P(Z < 3.00)

= 1 - 0.9987

≈ 0.0013

So the probability that at least 85 people say they get no news on an average day is approximately 0.0013 or 0.13%.

Halp me this question

Answers

The solution to the system of equations is (x, y) = (1, 3).

We have,

We use the elimination method on the two equations:

-3x + 4y = 9

2x + 4y = 14

We can eliminate y by subtracting the second equation from the first equation:

-3x + 4y - (2x + 4y) = 9 - 14

Simplifying the left side and the right side, we get:

-5x = -5

Dividing both sides by -5, we get:

x = 1

Let's use the first equation:

-3x + 4y = 9

Substituting x = 1.

-3(1) + 4y = 9

Simplifying and solving for y.

4y = 12

y = 3

Therefore,

The solution to the system of equations is (x, y) = (1, 3).

Learn more about equations here:

https://brainly.com/question/17194269

#SPJ1

evaluate the double integral by first identifying it as the volume of a solid. 5 da, r = {(x, y) | −3 ≤ x ≤ 3, 3 ≤ y ≤ 8} r

Answers

the value of the given double integral is 150



To evaluate this double integral, we first identify it as the volume of a solid. In this case, the region r represents a rectangle in the xy-plane with dimensions 6 units (from x = -3 to x = 3) and 5 units (from y = 3 to y = 8). The given integral represents the volume of a rectangular prism, where the height is given by the constant value 5.

The given double integral of 5 da represents the volume of a solid over the rectangular region r = {(x, y) | −3 ≤ x ≤ 3, 3 ≤ y ≤ 8}.

To evaluate this double integral, we integrate the given constant 5 over the given region:

∬r 5 da = ∫₃⁸ ∫₋³³ 5 dx dy

Integrating with respect to x first, we get:

∫₋³³ 5 dx = 5x ∣₋³³ = 5(3) - 5(-3) = 30

Substituting this value and integrating with respect to y, we get:

∫₃⁸ 30 dy = 30y ∣₃⁸ = 30(8) - 30(3) = 150

Therefore, the value of the given double integral is 150.

To know more about Double Integral refer here:

https://brainly.com/question/30217024

#SPJ11

Select the collection of sets that forms a partition of Z. a. ZZ^-,{0} b. Z, Z^-
c. Z^+,Z^-,{0} d. Z^+,Z^-

Answers

The correct answer is option C, which includes the sets Z⁺, Z⁻, and {0}. These sets are non-overlapping and together they cover all of the integers in Z, forming a partition. (C)

Z⁺ includes all positive integers, Z⁻ includes all negative integers, and {0} includes only the number 0. Each integer in Z belongs to exactly one of these sets.

Option A, ZZ⁻ and {0}, is not a partition because it includes 0 in both sets, violating the requirement that sets in a partition be non-overlapping.

Option B, Z and Z⁻, also does not form a partition because it does not include any positive integers. Option D, Z⁺ and Z⁻, does not include {0} and therefore does not cover all of the integers in Z.(C)

To know more about sets click on below link:

https://brainly.com/question/30096154#

#SPJ11

find the sun of the following series. Round to the nearest hundredth if necessary.

4+8+16+…+2048

Answers

Answer:

4092

Step-by-step explanation:

We can see that this is a geometric sequence where the first term is 4 and the common ratio is 2. We can use the formula for the sum of a geometric sequence to find the sum of this series:

sum = a(1 - r^n) / (1 - r)

where a is the first term, r is the common ratio, and n is the number of terms.

We need to find n, the number of terms. We can use the formula for the nth term of a geometric sequence:

a_n = a * r^(n-1)

We want to find the value of n when a_n = 2048:

2048 = 4 * 2^(n-1)

512 = 2^(n-1)

n-1 = log2(512) = 9

n = 10

So there are 10 terms in the series. Now we can use the formula for the sum of a geometric sequence:

sum = a(1 - r^n) / (1 - r)

sum = 4(1 - 2^10) / (1 - 2)

sum = 4(1 - 1024) / (-1)

sum = 4(1023)

sum = 4092

Rounding to the nearest hundredth, the sum is approximately 4092.00.

Answer:

Sum=8188

Step-by-step explanation:

This is a geometric series with a first term of 4 and a common ratio of 2. The formula for the sum of a geometric series is:

Sn​=1−ra(1−rn)​

where a is the first term, r is the common ratio and n is the number of terms. In this case, we have:

S11​=1−24(1−211)​

Simplifying, we get:

S11​=−14(−2047)​

S11​=8188

Therefore, the sum of the series is 8188.

10) How many distinguishable code symbols can be formed with the letters for the words philosophical and mathematics

Answers

The number of  distinguishable code symbols can be formed with the letters for the words philosophical and mathematics is 24

What is permutation?

Permutation is a mathematical technique that determines the number of possible arrangements in a set when the order of the arrangements matters.

In the word philosophical , There are 13 letters

2ps, 2is, 2Os, 2Hs and in Mathematics, there are = 11 letters

2ms, 2ts, 2As,

Therefore the number of permutations is 2!212!2! and 2!2!2!

This imples 16 + 8

Therefore, the number of distinguishable code symbols can be formed with the letters for the words philosophical and mathematics = 24

Learn more about permutation on https://brainly.com/question/30649574

#SPJ1

2.5 cm on the map represents 6.25 km in reality. Set the scale of the map.​

Answers

The scale factor that represent the given situation is 1/250000.

Given that, 2.5 cm on the map represents 6.25 km in reality.

The basic formula to find the scale factor of a figure is expressed as,

Scale factor = Dimensions of the new shape ÷ Dimensions of the original shape.

6.25 km = 6.25×100000

= 625000

Here, scale factor = 2.5/625000

= 25/6250000

= 1/250000

Therefore, the scale factor that represent the given situation is 1/250000.

To learn more about the scale factor visit:

https://brainly.com/question/22312172.

#SPJ1

Andrew brought two mushrooms plants. after 2 days his enoki mushrooms was 3.9 centimeters tall. after 5 days . it was 4.8 centimeters tall . he trackled the growth of his portobello mushroom over that same period and represented it's growth with the equation y=0.2x + 4.1 where y is the height of the portobello mushroom in centimeters and x is the number of days since he brought it . which mushroom is growing at a faster rate ? how much faster ?​

Answers

The portobello mushroom was growing faster.

Given that, Andrew has two mushrooms, he recorded their height, enoki mushroom was 3.9 centimeters tall, after 5 days, it was 4.8 centimeters tall.

Also, the height of the portobello mushroom is given by equation,

y = 0.2x + 4.1, where y is the height of the portobello mushroom in centimeters and x is the number of days since he brought it,

So,

Considering the portobello mushroom height, after 5 days,

y = 0.2(5) + 4.1 = 5.1 cm

And the enoki mushroom was 4.8 cm tall on its 5th day,

Since, the height of portobello mushroom is more than enoki mushroom on 5th day.

Hence, the portobello mushroom was growing faster.

Learn more about comparison, click;

https://brainly.com/question/25799464

#SPJ1

f(x) = −4x3 + 15 when x = 3.
f(x) =

Answers

Okay, let's break this down step-by-step:

* f(x) = -4x3 + 15 (this is the original function)

* We want to find f(x) when x = 3

* So substitute 3 in for x:

f(3) = -4(3)3 + 15

f(3) = -81 + 15

f(3) = -66

Therefore, f(x) = -66 when x = 3.

Answer:

[tex]\sf f(3)=-66.[/tex]

Step-by-step explanation:

1. Substitute "x" by "3" on the function's argument.

[tex]\sf f(3)=-4(3)^{3} +15\\ \\[/tex]

2. Solve the exponent.

[tex]\sf f(3)=-4(3*3*3) +15\\\\\sf f(3)=-4(27) +15[/tex]

3. Multiply.

[tex]\sf f(3)=-81+15[/tex]

4. Add up.

[tex]\sf f(3)=-66.[/tex]

-------------------------------------------------------------------------------------------------------

Learn more about evaluating expressions here:

https://brainly.com/question/28308470

https://brainly.com/question/28308627

https://brainly.com/question/29956968

https://brainly.com/question/31741972

Therefore, the sign of the product (x3)4(x - 4)3(x 6)6-f(x) depends only on the sign of (x-4)3 (assuming x#-3). ÎfX<4, then(x-4)31s negative . Enegativel, and so the sign of (x + 3)"(x-4)3(x-6)#2 f(x) is |negative P negative! . Therefore, rx) is decreasing decreasing Step 4 If x > 4, then (x-4)з is positive Y , , and so the sign of (x + 3)4(x-4)3(x-6)#2 rx) is positive (again assuming x #-3). Therefore, f(x) is lincreasing Y , Therefore, fis increasing on the following interval. (Enter your answer in interval notation.)

Answers

The given function is f(x) = (x+3)^4 * (x-4)^3 * (x-6)^6. The interval on which f(x) is increasing is (4, ∞).

To determine the intervals on which f(x) is increasing or decreasing, we need to analyze the sign of f'(x), the first derivative of f(x). In this case, f'(x) can be calculated using the product and chain rules of differentiation:

f'(x) = 4(x+3)^3 * (x-4)^3 * (x-6)^6 + 3(x+3)^4 * (x-4)^2 * (x-6)^6 + 6(x+3)^4 * (x-4)^3 * (x-6)^5

Simplifying f'(x) and factoring out common terms, we get:

f'(x) = (x+3)^3 * (x-4)^2 * (x-6)^5 * [4(x-6) + 3(x+3)(x-4) + 6(x-4)]

We can now analyze the sign of f'(x) for different values of x:

If x < 4, then (x-4)^3 is negative, and hence f'(x) is negative. This implies that f(x) is decreasing on the interval (-∞, 4).If x = 4, then f'(x) is zero, which indicates a possible local extremum at x = 4.If 4 < x < 6, then (x-4)^3 is positive and (x-6) is negative, resulting in a negative f'(x). Thus, f(x) is decreasing on the interval (4, 6).If x > 6, then (x-4)^3 and (x-6) is positive, leading to a positive f'(x). Therefore, f(x) is increasing on the interval (6, ∞).

Thus, the interval on which f(x) is increasing is (4, ∞).

To learn more about chain rules, visit:

https://brainly.com/question/22882675

#SPJ11

The given function is f(x) = (x+3)^4 * (x-4)^3 * (x-6)^6. The interval on which f(x) is increasing is (4, ∞).

To determine the intervals on which f(x) is increasing or decreasing, we need to analyze the sign of f'(x), the first derivative of f(x). In this case, f'(x) can be calculated using the product and chain rules of differentiation:

f'(x) = 4(x+3)^3 * (x-4)^3 * (x-6)^6 + 3(x+3)^4 * (x-4)^2 * (x-6)^6 + 6(x+3)^4 * (x-4)^3 * (x-6)^5

Simplifying f'(x) and factoring out common terms, we get:

f'(x) = (x+3)^3 * (x-4)^2 * (x-6)^5 * [4(x-6) + 3(x+3)(x-4) + 6(x-4)]

We can now analyze the sign of f'(x) for different values of x:

If x < 4, then (x-4)^3 is negative, and hence f'(x) is negative. This implies that f(x) is decreasing on the interval (-∞, 4).If x = 4, then f'(x) is zero, which indicates a possible local extremum at x = 4.If 4 < x < 6, then (x-4)^3 is positive and (x-6) is negative, resulting in a negative f'(x). Thus, f(x) is decreasing on the interval (4, 6).If x > 6, then (x-4)^3 and (x-6) is positive, leading to a positive f'(x). Therefore, f(x) is increasing on the interval (6, ∞).

Thus, the interval on which f(x) is increasing is (4, ∞).

To learn more about chain rules, visit:

https://brainly.com/question/22882675

#SPJ11

Find an angle θ with 0° < θ < 360° that I has the same:
Sine function value as 190°. θ = ____ degrees cosine function value as 190°. θ = ____degrees

Answers

Sine function value as 190°. θ = 350°

Cosine function value as 190°. θ = 170°.

Rotational Symmetry: A figure is said to have rotational symmetry if it looks exactly the same after rotating it some angle less than

360∘ (a full rotation).

θ angle with 0° < θ < 360° that I has the same:

sin θ is symmetric over the y-axis and cos θ is symmetric over the x-axis.

This means that if you reflect a point (cos θ, sin θ) over the y-axis, the value of sin θ will not change.

If we reflect the angle of 190° over the y-axis we get 350°

If we reflect the angle of 190° over the x-axis we get 170°

Therefore the answers are 350° and 170°.

Learn more about Angle of rotation at:

https://brainly.com/question/29779210

#SPJ4

Other Questions
What is 7/10-1/2? Pls I really need this answer Specifications call for the true mean tensile strength of paper used in a certain packaging application to be greater than 50 psi. A new type of paper is being considered for this application. The tensile strength is measured for a simple random sample of 110 specimens of this paper. The mean strength was 51.2 psi and the standard deviation was 4.0 psi. At the 5% significance level, do we have enough evidence to conclude that the true mean tensile strength for the new type of paper meets the specifications?State the significance level for this hypothesis test. Enter your answer as a decimal, not a percentage.Compute the value of the test statistic. Round your final answer to four decimal places.Find the p-value. Round your final answer to four decimal places. you are performing 4 independent bernoulli trials with p = 0.1 and q = 0.9. calculate the probability of the stated outcome. for the standard normal probability distribution, the area to the left of the mean is _____.a. 1b. 0.5c. 0.5d. any value between 0 and 1 why do fmri and eeg still coexist as useful brain scanning techniques? Some researchers claim that married people are healthier than their unmarried counterparts because healthy people are attracted to other healthy people and are more desirable marriage partners. this phenomenon is referred to as the _______ effect explain briefly why the relative affinity of heme for oxygen and carbon monoxide is changed by the presence of the myoglobin protein. Because of the ease of entry into the market of monopoly, profits are competed away by the new firms. True or False a carpet which is 6 meters long is completely rolled up. When x meters have been unrolled, the force required to unroll it further isF(x)=700/(x+3)^2 Newtons.How much work is done unrolling the entire carpet? Your answer must include the correct units.Work = Going to mark as brainliest A project's critical path is ADEF. The project activity information are as follows. What is the project's variance? Activity Mean Variance 2 3 1 4 1 5 2 3 4 2 2 A. 10 B. 11 C. 14 D. 19 pls help me )))))))))))))))) how do artifacts affect interaction between members of the team? raul, a u.s. citizen lives in costa rica. raul's household includes a friend mariana who is age 19 and a citizen of costa rica. raul provides all of marianas support. in a thoughtful and organized manner discuss how did the changes brought by the industrial revolution affect people and society in an era of continued rapid population growth? what is the mass of the three helium nuclei? that is: what is 3mhe = ? what is one way that recent changes to the atmosphere have affected conditions for life on earth? a. an increase in carbon dioxide has caused the average global temperature to rise. b. an increase in carbon dioxide has caused the rate of skin cancer to rise. c. an increase in water vapor has caused the rate of skin cancer to rise. d. an increase in water vapor has caused the average global temperature to rise. are a consequence of ill-defined organizational rules.a. Behavioral and attitudinal vulnerabilitiesb. Misinterpretationc. Coding problemsd. Physical Find the local maximum and minimum values and saddle point(s)of the function.f(x, y) = 2x3 + xy2 + 5x2 + y2 +9 Find the inverse rule of x: 3x-7 2+5x