Answer:
b o a h d
Step-by-step explanation:
1*5 3%9 46% &45 that is the answer
What are the zeros of the function f(x) = x4 − 4x2 − 5?
Answer:
A graph shows zeros to be ±3. Factoring those out leaves the quadratic
(x-2)² +1
which has complex roots 2±i.
The function has roots -3, 3, 2-i, 2+i.
Step-by-step explanation:
Answer:
See below ~
Step-by-step explanation:
The function is :
f(x) = x⁴ - 4x² - 5
=============================================================
Plotting on a graph :
⇒ Once plotted on graph, check where the line of the function intersects the x-axis
⇒ Those will be the zeros of the function
===========================================================
Solution :
⇒ x = -2.236
⇒ x = 2.236
Seeley takes home $4800 per month. What is the maximum amount he can
spend each month on loan and credit card payments without being in danger
of credit overload?
OA. $1600
OB. $1200
OC. $960
OD. $480
Answer:
1200
Step-by-step explanation:
I'm not 100% sure but that seems like the most reasonable answer
Find the number of rectangles an and Squares in chess 8 by 8 board respectively.
Answer:
squares: 204
rectangle: 1,296
Step-by-step explanation:
Board Size: 8 x 8
The total number of squares is thus:
[tex]1^{2} + 2^{2} + ... + n^{2}[/tex]
sum = [tex]\frac{n(n + 1)(2n + 1)}{6}[/tex]
For a chess board, with n = 8,
sum = [tex]\frac{(8)((8) + 1)(2(8) + 1)}{6}[/tex]
sum = 204
the number of rectangles on a chess board,
to make a rectangle you need to pick any two of the vertical lines, and any two of the horizontal lines. There are 36 distinct pairs and the same number of vertical pairs, so the answer is 36 × 36 = 1,296.
Juniper measured his bed twice: once in meters and once in
millimeters. Which is true?
A) The number of meters will be greater.
B) The number of millimeters will be greater.
C) They will both be the same.
Answer:
B
Step-by-step explanation:
millimeter means one-thousandth of a meter meaning the number of millimeters will be larger by a factor of 1000.
Answer:
B
Step-by-step explanation:
Millimetres is A LOT smaller than meters, meaning the individual number of millimetres is larger than the individual number of meters.
En un concurso de damas chinas hay 12 participantes, se premiaran 2 primeros lugarrs con medallas de oro y plata respectivamente. Calcula de cuantas maneras diferentes se pueden otorgar las medallas
Usando el teorema fundamental de conteo, se encuentra que 132 maneras diferentes de otorgar las medallas.
¿Qué es el teorema fundamental de conteo?Es un teorema que establece que si hay n cosas, cada una con [tex]n_1, n_2, \cdots, n_n[/tex] formas de hacer, cada cosa independiente de la otra, el número de formas en que se pueden hacer es:
[tex]N = n_1 \times n_2 \times \cdots \times n_n[/tex]
En este problema:
12 participantes pueden ganar la medalla de oro, o sea, [tex]n_1 = 12[/tex].11 participantes pueden ganar la medalla de plata, todos con excesion de lo que gano la medalla de plata, o sea, [tex]n_2 = 11[/tex].Así, el número de maneras diferentes en que se pueden otorgar las medallas es dado por:
[tex]N = n_1 \times n_2 = 12 \times 11 = 132[/tex]
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Diana put $8000 in a 10-year CD
paying 5% interest compounded
monthly. After 2 years, she
withdrew all her money, and as an
early withdrawal penalty, she paid
back all the interest she made
during the first year. How much
money was Diana left with?
Th amount of money that Diana is left with is $8,430.23.
How much is Diana left with?The first step is to determine the interest earned in the first year and the total amount that was made in the 2 years.
The formula used to determine the future value with monthly compounding is:
P(1 + r)^( n x m)
Where:
P = present value r = periodic interest rate n = number of years m = frequency of compoundingTotal amount made in 2 years = $8000 x ( 1 + 5% / 12)^(12 x 2) = 8839.53
Interest earned in the first year = [ $8000 x ( 1 + 5% / 12)^(12) ] - 8000 = $409.29
Amount she is left with = 8839.53 - $409.29 = $8430.23
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Chelsea collected 12 containers each with 3 grams of sand and Pierre collected 8 containers each with sand. They collected the same amount of sand every day for 4 days. How many grams of sand did Chelsea and Pierre have altogether?
Answer:
288 grams
Step-by-step explanation:
Chelsea
12 × 3 = 36
48 × 4 = 192
Pierre
8 × 3 = 24
24 × 4 = 96
together
192 + 96 = 288 grams
A graph shows the number of texts, numbered 10 to 100, on the x-axis, and the total cost in dollars, numbered 3 to 27, on the y-axis. A straight red line with a positive slope, labeled Emilia, begins at (0, 10), and a straight blue line with a positive slope, labeled Hiroto, begins at (0, 20). Both lines intersect at point (50, 22.5).
Hiroto’s texting plan costs $20 per month, plus $0.05 per text message that is sent or received. Emilia’s plan costs $10 per month and $0.25 per text. Using the graph below, which statement is true?
Hiroto’s plan costs more than Emilia’s plan when more than 50 texts are sent.
Both plans cost the same when 22 texts are sent.
Emilia’s plan costs more than Hiroto’s plan when more than 22 texts are sent.
Both plans cost the same when 50 texts are sen
Answer:
Both plans cost the same when 50 texts are sent
Step-by-step explanation:
Both the plans cost the same amount $22.5 when 50 texts are sent:
[tex]20+0.05*50 = 10+0.25*50[/tex]✔️
Have a nice day! :)
Which expression is equivalent to [tex]8/x^6[/tex]? Assume x> 0
An equivalent expression is given by (2 / x ^ 3) * sqrt (2)
We have the following expression
8 / x ^ 6
Rewriting we have
sqrt (8 / x ^ 6)
What is the expression?
The expression consists of numbers and arithmetic operators. It does not contain equality or inequality symbols.
sqrt (2 * 4 / ((x ^ 2) * (x ^ 2) * (x ^ 2)))
(2 / (x * x * x)) sqrt (2)
(2 / x ^ 3) * sqrt (2)
An equivalent expression is given by
(2 / x ^ 3) * sqrt (2)
Therefore an equivalent expression is given by (2 / x ^ 3) * sqrt (2).
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A school charges £5 for tickets to a show.
The school raises £x in total from ticket sales.
Write an expression for the total number of tickets sold by the school.
Answer:
x/5
Step-by-step explanation:
The revenue from sales is the product of the selling price of the ticket and the number of tickets sold.
__
If n represents the number of tickets sold, then the revenue from selling tickets for £5 each will be ...
(n)(£5) = £x
Dividing by the coefficient of n will given the number of tickets sold:
n = £x/(£5) = x/5
The number of tickets sold is x/5.
Euler's formula, V – E + F = 2 relates the number of vertices V, the number of edges E, and the number of faces F of a polyhedron. How many faces does a polyhedron with 5 vertices and 8 edges have?
Answer:
5 faces
Step-by-step explanation:
V – E + F = 2
We know that V = 5 and E = 8
Substitute these into the equation
5 -8+F = 2
-3+F =2
Add 3 to each side
-3+F+3 = 2+3
F=5
please answer asap!!!
A timer is started and a few moments later a model airplane is launched from the ground. Its height (in feet) as a function of time (in
seconds after the timer was started) is given by the equation h (t) = -(t-14)² +74 Which of the following statements is true?
O The airplane reaches its minimum height of 14 feet in 74 seconds.
O The airplane reaches its minimum height of 74 feet in 14 seconds.
O The airplane reaches its maximum height of 14 feet in 74 seconds.
O The airplane reaches its maximum height of 74 feet in 14 seconds.
9
12 13 14 15 16 17
18
Next
10 11
Answer:
The airplane reaches its maximum height of 74 feet in 14 seconds.
Step-by-step explanation:
The easiest thing to do here is to plug in the two numbers given in the answer choices. Finding the height at 14 seconds and the height after 74 seconds is straightforward from here.
h (14) = -(14-14)²+ 74
h (14) = 0 + 74
h (14) = 74
h (74) = -(74-14)² + 74
h (74) = -(60)² + 74
h (74) = -3600 + 74
h (74) = -3,526
Now, we know that a height of an airplane won't be negative, as the height below the ground cannot be reached.
because our equation includes -(t-14)², any number greater than 14 will be a larger negative than 0--setting the height to an impossible number.
{However, we add +74 feet, so our t-14 could be any number that is less than 74 when squared (after first subtracting 14 from the number). Numbers like 15, (resulting in subtracting 1 from 74), 16 (resulting in -4 from 74), 17 (74-9), 18 (74-16), 19 (74-25), 20 (74-36), 21 (74-49), 22 (74-64) are still above the minimum input}
{So, our t could be up to 22, and any number above this maximum limit, such as 23, result in a height of 0}
for example: -(23-14)² + 74
-(9)² = -81
-81 + 74 = -7
All numbers below 14, which would end in an eventual negative outcome [ -(x)² = negative if x < 0 ]
are greater than a t of 14.
-(13-14)² = -1
; showing that t = 14 is our maximum height
(remember that if you have -(x)² you get the negative version of x² [pemdas. the negative outside of the parenthesis is equivalent to multiplying the parenthesis by -1. (E)xponents comes before (M)ultiplication].)
Could someone explain and show how to solve these
The answers to the given question are as follows:-
1. Cos(∠mA) = [tex]\dfrac{3}{5}[/tex]
2. Sin(∠mA) = [tex]\dfrac{\sqrt{20}}{\sqrt{35}}[/tex]
3. Tan(∠mB) = [tex]\dfrac{b}{a}[/tex]
What is trigonometry?Trigonometry is the branch of mathematics which set up a relationship between the sides and angle of the right-angle triangles.
The angles will be calculated by using trigonometric identities.
1. For the first triangle:-
Cos∠mA = [tex]\rm \dfrac{Base}{Hypotenuse}[/tex]
We can see in the first triangle base is 3 and the hypotenuse is 5.
Cos∠mA = [tex]\dfrac{3}{5}[/tex]
2. For the second triangle:-
Sin∠mA = [tex]\rm \dfrac{Perpendicualr }{Hypotenuse}[/tex]
We can see in the first triangle Perpendicular is √20 and the hypotenuse is √35.
Sin∠mA = [tex]\dfrac{\sqrt{20}}{\sqrt{35}}[/tex]
3. For the third triangle:-
Tan∠mB = [tex]\rm \dfrac{Perpendicualr }{Base}[/tex]
We can see in the first triangle Perpendicular is b and the Base is a.
Tan∠mA = [tex]\dfrac{b}{a}[/tex]
Therefore answers to the given question are as follows:-1. Cos(∠mA) = [tex]\dfrac{3}{5}[/tex]2. Sin(∠mA) = [tex]\dfrac{\sqrt{20}}{\sqrt{35}}[/tex] and 3. Tan(∠mB) = [tex]\dfrac{b}{a}[/tex]
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How many cups are there in 3/8 gallon?
Answer:
6 cups
Step-by-step explanation:
Answer:
That would be 6 cups I believe
Samples of size n = 60 are randomly selected from the population of numbers (0 through 9) produced by a random-number generator, and the mean is taken for each sample. What is the distribution of the sample means?
The distribution of the sample means when the samples of size n = 60 are randomly selected from the population is normal (approximately).
How is the sample explained?Calculating the sample mean is as simple as adding up the number of items in a sample set and then dividing that sum by the number of items in the sample set.
Here, the distribution of the sample means when the samples of size n = 60 are randomly selected from the population is normal (approximately).
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find the x
please help me asap
Sum of two interiors=Exterior
[tex]\\ \rm\Rrightarrow 39+6x+11=11x-10[/tex]
[tex]\\ \rm\Rrightarrow 6x+50=11x-10[/tex]
[tex]\\ \rm\Rrightarrow 60=5x[/tex]
[tex]\\ \rm\Rrightarrow x=12[/tex]
Kyle wants to buy a television on a hire purchase agreement. the cash price of the television is R5600. she is required to pay a deposit of 15% and pay the remaining loan amount off over 24 months at an interest rate of 14% p.a. what are kyles monthly repayment? keep your answer to the nearest rand.
Kyles's monthly repayment on the television based on hire purchase agreement is R229
What is the monthly repayment?The monthly repayment is the amount paid monthly with interest on a particular loan or to recover from debt.
From the given information:
The price of the television = R5600Initial deposit = 15% of cash price = 0.15 × 5600 = 840Thus
principal amount left to be repaid = 5600 - 840 = 4760
Using the formula:
[tex]\mathbf{M=\dfrac{P( \dfrac{r}{12}) (1+\dfrac{r}{12})^n }{(1+\dfrac{r}{12})^n - 1}}[/tex]
[tex]\mathbf{M=\dfrac{4760( \dfrac{0.14}{12}) (1+\dfrac{0.14}{12})^{24} }{(1+\dfrac{0.14}{12})^{24} - 1}}[/tex]
M = R228.54
M ≅ R229
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What is the explicit formula for this geometric sequence?
64, 16, 4, 1,
Answer: [tex]a_{n}=64\left(\frac{1}{4} \right)^{n-1}[/tex]
Step-by-step explanation:
The common ratio is 16/64 = 1/4, so substituting into the formula, we get that [tex]a_{n}=64\left(\frac{1}{4} \right)^{n-1}[/tex]
A rectangular prism has length of 5 feet and a width of 9 feet. If the surface area of the prism is 174 square feet,
what is its height?
5ft
4ft
6 ft
3 ft
kung 5ft and a width of 9ft and the area of prism is 174 the answer is 5ft
Question 3 of 10
Select the expression that is equivalent to (x-3)².
Aleena cuts 3/8 part of ribbon for her project.then again she cuts 4/5 part of the remaining ribbon the next day.find the total length of the Ribbon ,if 6.5 m of ribbon still remain
The total length of the ribbon is 52 m.
Let x = the original length of the ribbonAleena initially cuts 3/8 of the ribbon, i.e. a length of (3/8)x.
How much is left?1 - (3/8)x = (5/8)x.
On the next day, she cuts 4/5 of the remaining ribbon.i.e. (4/5) * (5/8)x = (20/40)x = (1/2)x
How much of the ribbon has she now cut away?(3/8)x + (1/2)x = (3/8)x + (4/8)x = (7/8)x
That means 1 - (7/8)x = (1/8)x remains, and that is a length of 6.5 m.
We now need to determine the following:1/8 of what number is 6.5?
Let y = the unknown number.
(1/8)y = 6.5
Multiply both sides of the equation by 8 to clear the fraction.
y = 52 m
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Type the expression that results from the following series of steps:
Start with
y
, subtract 7, multiply by 3, then add 6.
Answer:
3y-15
Step-by-step explanation:
(y-7)3=3y-21
3y-21+6=3y-15
What is the domain of the function shown in this graph?
Answer:
[tex] - \infty < x < \infty [/tex]
Step-by-step explanation:
On the right hand side of the y axis, the x values will continue to increase. They will go to positive Infinity. On the left hand side of the y axis, the x values will continue to decrease, this means that they will become more negative. They will go to negative Infinity.Find the surface area of the square pyramid. Enter your answer in the box.
A square pyramid. The side length of the base is 11 centimeters. The height of each of the 4 triangular faces is 10 centimeters.
(answer)_cm²
pls answer A.S.A.P
A number cube is rolled. What is the probability
of rolling a number that is
less than 5 or odd?
Step-by-step explanation:
a complicated way to say "the probability to roll a number that is less or equal to 5".
and that is
5 desired cases over 6 total cases, and that means
5/6 = 0.833333333...
The table represents a bicycle rental cost in dollars as a
unction of time in hours.
Bicycle Rental
Time
Cost
(hours)
($)
0
0
2
10
4
20
6
30
8
40
Which explains whether or not the function represents a
direct variation?
O This function represents a direct variation because it
passes through the origin and has a constant rate of
change of $5 per hour.
O This function represents a direct variation because it
has a positive, constant rate of change of $10 per
hour.
O This function does not represent a direct variation
because it does not represent the cost for 1 hour.
This function does not represent a direct variation
because the function rule for the cost is to add $10,
not multiply by a constant.
Answer:
(a) This function represents a direct variation because it passes through the origin and has a constant rate of change of $5 per hour.
Step-by-step explanation:
The equation of direct variation is ...
y = kx
for some constant k. Here, we have x in hours and y in dollars. We can see if k is constant for the values given in the table.
__
constant of variationSolving the direct variation formula for k, we have ...
k = y/x
Using the table values, we can see if this is constant:
k = dollars/hour = 10/2 = 20/4 = 30/6 = 40/8 = 5
The "rate of change" is constant at $5 per hour.
The function represents direct variation because it passes through the origin and has a constant rate of change of $5 per hour.
HELP (WORTH 20 POINTS)
Answer:
1 matter
2 atoms
3 molecules
4 matter and energy
5 solid liquid and gas
6 mass
i dont know the rest to be honest
Step-by-step explanation:
Which region represents the solution to the given system of inequalities? y<-1/2x and y>_2x+3
The region is C is the correct option because intersection region is on the region C after drawing on the coordinate plane.
What is inequality?It is defined as the expression in mathematics in which both sides are not equal they have mathematical signs either less than or greater than known as inequality.
The question is incomplete:
The complete question is:
Which region represents the solution to the given system of inequalities?
ABCDy < -1/2x and y ≥ 2x+3 and the missing figure is shown in the picture please refer to the picture.
We have two inequalities:
y < -1/2x
y ≥ 2x+3
After drawing the inequalities on the coordinate plane we see that the intersection region is on the region C.
Thus, the region is C is the correct option because intersection region is on the region C after drawing on the coordinate plane.
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What is the simplest radical form of the expression? (8x5y3)2/3
The simplest radical form of the expression is [tex]\mathbf{40 ^{2/3}x^{{10}/{3}}y^2}[/tex].
What is the simplification of power indices?When we have indices in the form [tex]\mathbf{ax^{2/3}}[/tex], we are going to find the cube root of the (ax)². This can be mathematically expressed as:
[tex]\mathbf{=(\sqrt[3]{ax})^2 }[/tex]
From the given information:
[tex]\mathbf{=(8x^55y^3)^{2/3}}[/tex]
[tex]\mathbf{=(\sqrt[3]{8x^55y^3} } )^2[/tex]
[tex]\mathbf{=(\sqrt[3]{40x^5y^3} } )^2[/tex]
[tex]= (\sqrt[3]{40x^5} \times \sqrt[3]{y}^3)^2[/tex]
[tex]\mathbf{= 40 ^{2/3}x^{{5*2}/{3}}y^2}[/tex]
[tex]\mathbf{= 40 ^{2/3}x^{{10}/{3}}y^2}[/tex]
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At a certain college, 49% of the students are female, and 21% of the students major in civil engineering. Furthermore, 8% of the students both are female and major in civil engineering.
The probability that a student is a female or major in civil engineering is 62%
How to determine the probability?Let A represent Female and B represents civil engineering.
So, we have:
P(A) = 49%
P(B) = 21%
P(A and B) = 8%
The required probability is calculated as:
P(A or B) = P(A) + P(B) - P(A and B)
This gives
P(A or B) = 49% + 21% - 8%
Evaluate
P(A or B) = 62%
Hence, the probability that a student is a female or major in civil engineering is 62%
Complete questionAt a certain college, 49% of the students are female, and 21% of the students major in civil engineering. Furthermore, 8% of the students both are female and major in civil engineering. What is the probability that a randomly selected female student majors in civil engineering?
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