find an equation of the slant asymptote. do not sketch the curve. y = x2 2 x 2y=?

Thus, the solution of the given system of equation is found as - (2,3).

The ordered pair that provides the solution to by both equations is the system's solution. We graph both equations using a single coordinate system in order to visually solve a system of linear equations. The intersection of the two lines is where the system's answer will be found.

The given system of equation are-

-3x - y = -9 ..eq 1

3x - y = 3  ..eq 2

Consider eq 1

-3x - y = -9

Put x = 0; -3(0) - y = -9 --> y = 9 ; (0,9)

Put y = 0; -3x - (0) = -9  ---> x = 3 ; (3,0)

Consider eq 1

3x - y = 3

Put x = 0; 3(0) - y = 3 --> y = -3 ; (0,-3)

Put y = 0; 3x - (0) = 3  ---> x = 1 ; (1,0)

Plot the obtained points on graph, the intersection points gives the solution of the system of equations.

Solution - (2, 3)

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From the inequality 3 < u < 2, we know that u is negative. Dividing both sides by 2, we get: 3/2 < u/2 < 1. So u/2 is also negative.  Negative values lie in Quadrants II and III. Since u/2 is between 3/2 and 1, it is closer to 1, which is the x-axis. Therefore, u/2 is in Quadrant III.

Given the inequality 3/2 < u < 2, we need to determine the quadrant in which u/2 lies.

First, let's find the range of u/2 by dividing the inequality by 2:
(3/2) / 2 < u/2 < 2 / 2
3/4 < u/2 < 1

Now, we can see that u/2 lies between 3/4 and 1. In terms of radians, this range corresponds to approximately 0.589 and 1.571 radians. This range falls within Quadrant I (0 to π/2 or 0 to 1.571 radians). Therefore, u/2 lies in Quadrant I.

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The Comparison Test tells us that the original series[tex]Σ(5^k / (3^k + 4^k))[/tex]from k=1 to infinity also diverges.

Based on your question, you want to determine if the series [tex]Σ(5^k / (3^k + 4^k))[/tex] from k=1 to infinity converges or diverges. To analyze this series, we can apply the Comparison Test.

Consider the series [tex]Σ(5^k / 4^k)[/tex]from k=1 to infinity. This simplifies to [tex]Σ((5/4)^k)[/tex], which is a geometric series with a common ratio of 5/4. Since the common ratio is greater than 1, this series diverges.

Now, notice that[tex]5^k / (3^k + 4^k) ≤ 5^k / 4^k[/tex] for all k≥1. Since the series [tex]Σ(5^k / 4^k)[/tex]diverges, and the given series is term-wise smaller, the Comparison Test tells us that the original series [tex]Σ(5^k / (3^k + 4^k))[/tex] from k=1 to infinity also diverges.

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The indefinite integral of sin^4(5θ) dθ is (1/4)[θ - sin(10θ)/5 + (θ/2) + (1/40)sin(20θ)] + C.

An indefinite integral is the reverse operation of differentiation. Given a function f(x), its indefinite integral is another function F(x) such that the derivative of F(x) with respect to x is equal to f(x), that is:

F'(x) = f(x)

The symbol used to denote the indefinite integral of a function f(x) is ∫ f(x) dx. The integral sign ∫ represents the process of integration, and dx indicates the variable of integration. The resulting function F(x) is also called the antiderivative or primitive of f(x), and it is only unique up to a constant of integration. Therefore, we write:

∫ f(x) dx = F(x) + C

where C is an arbitrary constant of integration. Note that the indefinite integral does not have upper and lower limits of integration, unlike the definite integral.

We can use the identity [tex]sin^2(x)[/tex] = (1/2)(1 - cos(2x)) to simplify the integrand:

[tex]sin^4[/tex](5θ) = ([tex]sin^2[/tex](5θ)[tex])^2[/tex]

= [(1/2)(1 - cos(10θ))[tex]]^2[/tex] (using [tex]sin^2[/tex](x) = (1/2)(1 - cos(2x)))

= (1/4)(1 - 2cos(10θ) +[tex]cos^2[/tex](10θ))

Expanding the square and integrating each term separately, we get:

∫ [tex]sin^4[/tex](5θ) dθ = (1/4)∫ (1 - 2cos(10θ) + [tex]cos^2[/tex](10θ)) dθ

= (1/4)[θ - sin(10θ)/5 + (1/2)∫ (1 + cos(20θ)) dθ] + C

= (1/4)[θ - sin(10θ)/5 + (θ/2) + (1/40)sin(20θ)] + C

Therefore, the indefinite integral of sin^4(5θ) dθ is (1/4)[θ - sin(10θ)/5 + (θ/2) + (1/40)sin(20θ)] + C.

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The area of the triangle with vertices (-4,-2), (2,0), and (-2,8) in r2 is 20 square units.

To find the area of a triangle in R² with vertices A(-4, -2), B(2, 0), and C(-2, 8), you can use the determinant method. The formula is:
Area = (1/2) * | det(A, B, C) |

where det(A, B, C) is the determinant of the matrix formed by the coordinates of the vertices. Arrange the coordinates in a matrix like this:
| -4  -2  1 |
|  2   0  1 |
| -2   8  1 |

To find the area of the triangle with vertices (-4,-2), (2,0), and (-2,8) in r2 using a determinant. To calculate the determinant, we can expand along the first row:
det = -4 * det(0 8; 1 1) - 2 * det(2 -2; 1 1) + (-2) * det(2 -2; -2 0)
det = -4 * (0 - 8) - 2 * (2 + 2) + (-2) * (-4 - 4)
det = 32 - 8 + 16
det = 40
The absolute value of the determinant gives us the area of the triangle, which is:
area = |det|/2
area = 20

The area of the triangle with vertices (-4, -2), (2, 0), and (-2, 8) is 20 square units.

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According to the frequency distribution for the life-length statistics, 

a) assuming the manufacturer's claim is accurate, 84% of grade A batteries will survive longer than 50 months.

b) About 8.2% of the manufacturer's batteries will last less than 40 months, assuming their claim is true.

a) Assuming the manufacturer's claim is true, the distribution of the battery life length will be normal with a mean of 60 months and a standard deviation of 10 months.

To find the percentage of batteries that will last more than 50 months, we need to find the area under the normal curve to the right of x = 50.

Using a standard normal distribution table or a calculator, we can find that the area to the right of z = (50-60)/10 = -1 is approximately 0.8413. The manufacturer's grade A batteries will therefore last beyond 50 months for about 84.13% of them.

b) Again assuming the manufacturer's claim is true, to find the percentage of batteries that will last less than 40 months, we need to find the area under the left of the x = 40 normal curve.

Using the same method as in part a), we find that the area to the left of z = (40-60)/10 = -2 is approximately 0.0228.

Therefore, approximately 2.28% of the manufacturer's batteries will last less than 40 months.

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To determine whether the series is convergent or divergent, we can use the comparison test. First, we notice that the denominator of each term in the series is a positive power of n,

which suggests using a comparison with the p-series: \[\sum_{n = 1}^{\infty}{\dfrac{1}{n^p}}\] , where p is a positive constant. This series is convergent if p>1 and divergent if p<=1.

In our given series, the exponent of e is always positive, so each term is greater than or equal to e^0=1. Thus, we can compare our series to the p-series with p=9:

\[\sum_{n = 1}^{\infty}{\dfrac{e^{1/n^{{\color{black}8}}}}{n^{{\color{black}9}}}} \geq \sum_{n = 1}^{\infty}{\dfrac{1}{n^9}}\] , Since the p-series with p=9 is convergent, we can conclude that our given series is also convergent by the comparison test.

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The answer is False. In a finite field, for each non-zero number x, there exists a multiplicative inverse y such that x*y = 1, not 0. The only number that would satisfy x*y = 0 in a finite field is when either x or y is 0.

True. In a finite field, every non-zero element has a multiplicative inverse, meaning that there exists a number y such that x*y = 1. Therefore, if we multiply both sides by 0, we get x*(y*0) = 0, which simplifies to x*0 = 0. Therefore, for each number x in a finite field, there is a number y such that x*y = 0.
Multiplying an even number equals dividing by its difference and vice versa. For example, dividing by 4/5 (or 0.8) will give the same result as dividing by 5/4 (or 1.25). That is, multiplying a number by its inverse gives the same number (because the product and difference of a number are 1.

The term reciprocal is used to describe two numbers whose product is 1, at least in the third edition of the Encyclopedia Britannica (1797); In his 1570 translation of Euclid's Elements, he mutually defined inversely proportional geometric quantities.

In the multiplicative inverse, the required product is usually removed and then understood by default (as opposed to the additive inverse). Different variables can mean different numbers and numbers. In these cases, it will appear as

ab ≠ ba; then "reverse" usually means that an element is both left and right reversed.

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The values of probability are a. P(X < 71) = 0.90, b. P(X ≤ 24) = 0.73, and c. P(X ≤ 71) = 0.90

We need to calculate the probabilities for a continuous random variable X,

given that P(24 ≤ X ≤ 71) = 0.17 and P(X > 71) = 0.10.

a. P(X < 71)
To find P(X < 71), we can use the fact that P(X < 71) = 1 - P(X ≥ 71).

Since P(X > 71) = 0.10, we know that P(X ≥ 71) = P(X > 71) = 0.10. Thus, P(X < 71) = 1 - 0.10 = 0.90.

b. P(X ≤ 24)
We can use the given information P(24 ≤ X ≤ 71) = 0.17 and P(X < 71) = 0.90 to find P(X ≤ 24).

We know that P(X ≤ 24) = P(X < 71) - P(24 ≤ X ≤ 71) = 0.90 - 0.17 = 0.73.

c. P(X ≤ 71)
To find P(X ≤ 71), we can use the fact that P(X ≤ 71) = P(X < 71) + P(X = 71).

Since X is a continuous random variable, the probability of it taking any specific value, such as 71, is 0.

Therefore, P(X ≤ 71) = P(X < 71) = 0.90.

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All angles in the triangle are 60° and all sides are approximately 7.348.

Using the law of cosines, we can find side BC:

BC² = AB² + AC² - 2AB(AC)cos(α)
BC² = AB² + 9 - 2AB(9)cos(60°)
BC² = AB² + 9 - 9AB
BC² = 9 - 9AB + AB²

We also know that angle B is 60° (since it is an equilateral triangle). Using the law of sines, we can find AB:

AB/sin(60°) = AC/sin(B)
AB/sqrt(3) = 9/sin(60°)
AB/sqrt(3) = 9/√3
AB = 9

Substituting AB = 9 into the equation for BC², we get:

BC² = 9 - 9(9) + 9²
BC² = 54
BC = sqrt(54) ≈ 7.348

So the missing side length is approximately 7.348. To find the other missing angles, we can use the fact that the angles in a triangle add up to 180°. Angle C is also 60°, so we can find angle A:

A + 60° + 60° = 180°
A = 60°

Therefore, all angles in the triangle are 60° and all sides are approximately 7.348.

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Vector that is perpendicular to the level curve at the point (a, b) is the opposite of the gradient vector:

-∇f(a, b) = ([tex]-e^a[/tex] + 1, a sin b)

We can use the gradient of f(x, y) at that point.

The gradient of f(x, y) is given by:

∇f(x, y) = ( ∂f/∂x , ∂f/∂y )

So, we have:

∂f/∂x = [tex]e^x[/tex] - 1

∂f/∂y = -x sin y

At the point (a, b), the gradient vector is:

∇f(a, b) = ( [tex]e^a[/tex] - 1 , -a sin b )

The level curve of f(x, y) is the set of points (x, y) where f(x, y) = k for some constant k. In other words, the level curve is the curve where the surface s intersects the plane z = k.

Let (a, b, c) be a point on the surface s that lies on the level curve at the point (a, b). Then, we have:

f(a, b) = c

Differentiating both sides with respect to x and y, we get:

∂f/∂x dx + ∂f/∂y dy = 0

This equation says that the gradient vector of f(x, y) is orthogonal to the tangent vector of the level curve at the point (a, b).

Therefore, the vector that is perpendicular to the level curve at the point (a, b) is the opposite of the gradient vector:

-∇f(a, b) = ([tex]-e^a[/tex] + 1, a sin b)

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Vector that is perpendicular to the level curve at the point (a, b) is the opposite of the gradient vector:

-∇f(a, b) = ([tex]-e^a[/tex] + 1, a sin b)

We can use the gradient of f(x, y) at that point.

The gradient of f(x, y) is given by:

∇f(x, y) = ( ∂f/∂x , ∂f/∂y )

So, we have:

∂f/∂x = [tex]e^x[/tex] - 1

∂f/∂y = -x sin y

At the point (a, b), the gradient vector is:

∇f(a, b) = ( [tex]e^a[/tex] - 1 , -a sin b )

The level curve of f(x, y) is the set of points (x, y) where f(x, y) = k for some constant k. In other words, the level curve is the curve where the surface s intersects the plane z = k.

Let (a, b, c) be a point on the surface s that lies on the level curve at the point (a, b). Then, we have:

f(a, b) = c

Differentiating both sides with respect to x and y, we get:

∂f/∂x dx + ∂f/∂y dy = 0

This equation says that the gradient vector of f(x, y) is orthogonal to the tangent vector of the level curve at the point (a, b).

Therefore, the vector that is perpendicular to the level curve at the point (a, b) is the opposite of the gradient vector:

-∇f(a, b) = ([tex]-e^a[/tex] + 1, a sin b)

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The phasor form (in the rms sense) of the given expressions are:

a. 20∠(-180°) V

b. 6 x 10⁻⁶∠90° A

c. 3.6 x 10⁻⁶∠(-20°) A

a. The given expression is in the form of 20 sin (ωt - φ), where ω is the angular frequency and φ is the phase angle in degrees. To convert it to phasor form, we need to express it as a complex number in the form of Vrms∠θ, where Vrms is the root mean square (rms) value of the voltage and θ is the phase angle in radians. In this case, the rms value is 20 V and the phase angle is -180° (since it is given as -180° in the expression). The phasor form can be represented as 20∠(-180°) V.

b. The given expression is in the form of 6 x 10⁻⁶ cos(ωt), where ω is the angular frequency. To convert it to phasor form, we need to express it as a complex number in the form of Irms∠θ, where Irms is the rms value of the current and θ is the phase angle in radians. In this case, the rms value is 6 x 10^(-6) A and the phase angle is 90° (since it is cos(ωt)). The phasor form can be represented as 6 x 10⁻⁶∠90° A.

c. The given expression is in the form of 3.6 x 10⁻⁶ cos(ωt - φ), where ω is the angular frequency and φ is the phase angle in degrees. To convert it to phasor form, we need to express it as a complex number in the form of Irms∠θ, where Irms is the rms value of the current and θ is the phase angle in radians. In this case, the rms value is 3.6 x 10⁻⁶ A and the phase angle is -20° (since it is given as -20° in the expression). The phasor form can be represented as 3.6 x 10⁻⁶∠(-20°) A.

THEREFORE, the phasor form (in the rms sense) of the given expressions are:

a. 20∠(-180°) V

b. 6 x 10⁻⁶∠90° A

c. 3.6 x 10⁻⁶∠(-20°) A.

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The basis for the orthogonal complement of the row space of the given matrix is (-2, -2, 1).

To find the basis for the orthogonal complement of the row space of matrix A, we can use the fact that the row space and the nullspace of a matrix are orthogonal complements of each other.

So, we first need to find the null space of A. To do this, we can row-reduce A to echelon form and solve the corresponding homogeneous system of linear equations.

RREF(A) =
1 1 4
0 2 -7

This gives us the homogeneous system:

x + y + 4z = 0
2y - 7z = 0

Solving for the free variables, we get:

x = -y - 4z
y = (7/2)z

So, the nullspace of A is spanned by the vector:

v = [-1/2, 7/2, 1]

Now, we can find a basis for the orthogonal complement of the row space of A by taking the orthogonal complement of the span of the rows of A.

The rows of A are:

[1 0 2]
[1 1 4]

We can take the cross-product of these two vectors to get a vector that is orthogonal to both of them:

[0 -2 1]

This vector is also in the orthogonal complement of the row space of A.

Therefore, a basis for the orthogonal complement of the row space of A is [-1/2, 7/2, 1], [0, -2, 1].
Hi! I'd be happy to help you find a basis for the orthogonal complement of the row space of the given matrix. Here's a step-by-step explanation:

1. Write down the given matrix A:
  A = | 1 0 2 |
      | 1 1 4 |

2. To find the orthogonal complement, we first need to find the row space of matrix A. Since there are two linearly independent rows, the row space is spanned by these two rows:

  Row space of A = span{ (1, 0, 2), (1, 1, 4) }

3. Now we need to find a vector that is orthogonal to both of these rows. To do this, we can take the cross-product of two-row row vectors:

  Cross product: (1, 0, 2) x (1, 1, 4) = (-2, -2, 1)

4. The cross product gives us a vector that is orthogonal to both of the rows and therefore lies in the orthogonal complement of the row space of matrix A.

  Orthogonal complement of row space of A = span{ (-2, -2, 1) }

So, the basis for the orthogonal complement of the row space of the given matrix is (-2, -2, 1).

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The 95% confidence interval for the population mean weight of candies is (9.434, 10.566) and the 90% confidence interval for the population mean weight of candies is (9.525, 10.475).

1. To construct a 95% confidence interval for the population mean weight of candies, we first need to take a sample of candies and find the sample mean weight and standard deviation. Let's say we have a sample of 50 candies with a mean weight of 10 grams and a standard deviation of 2 grams.
Using a t-distribution with degrees of freedom of 49 (n-1), we can calculate the error bound margin as follows:
Error bound margin = t(0.025, 49) × (standard deviation / sqrt(sample size))
where t(0.025, 49) is the t-value from the t-distribution table with 49 degrees of freedom and a confidence level of 95%.
Plugging in the values, we get:
Error bound margin = 2.009 × (2 / sqrt(50)) = 0.566
The upper bound of the confidence interval is the sample mean plus the error bound margin, and the lower bound is the sample mean minus the error bound margin. So the 95% confidence interval for the population mean weight of candies is:
Upper bound = 10 + 0.566 = 10.566
Lower bound = 10 - 0.566 = 9.434
2. To construct a 90% confidence interval, we can follow the same process, but with a different t-value. Using a t-distribution with degrees of freedom of 49 and a confidence level of 90%, the t-value is 1.677. So the error bound margin is:
Error bound margin = 1.677 × (2 / sqrt(50)) = 0.475
The upper bound of the confidence interval is:
Upper bound = 10 + 0.475 = 10.475
And the lower bound is:
Lower bound = 10 - 0.475 = 9.525

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Answer:

63.4 square feet

Step-by-step explanation:

area of sector= (60/360)× 3.143×11²=

1/6 × ~380

= 63.38~63.4

The general solution is y(x) = yc(x) + yp(x) y(x) = c1 cos(x) + c2 sin(x) - 5/24 + (1/8)cos(2x).

For the first part of the question, we need to find the complementary function of the differential equation y'' + y = sec(θ)tan(θ).

The characteristic equation is r^2 + 1 = 0, which has roots r = ±i.

So the complementary function is yc(θ) = c1 cos(θ) + c2 sin(θ).

For the second part of the question, we need to find the general solution of the differential equation y'' + y = sec(θ)tan(θ).

To find the particular solution, we need to use variation of parameters. Let's assume the particular solution has the form yp(θ) = u(θ)cos(θ) + v(θ)sin(θ).

Then, we can find the derivatives: yp'(θ) = u'(θ)cos(θ) - u(θ)sin(θ) + v'(θ)sin(θ) + v(θ)cos(θ), and

yp''(θ) = -u(θ)cos(θ) - u'(θ)sin(θ) + v(θ)sin(θ) + v'(θ)cos(θ).

Substituting these into the differential equation, we get

(-u(θ)cos(θ) - u'(θ)sin(θ) + v(θ)sin(θ) + v'(θ)cos(θ)) + (u(θ)cos(θ) + v(θ)sin(θ)) = sec(θ)tan(θ).

Simplifying and grouping terms, we get

u'(θ)sin(θ) + v'(θ)cos(θ) = sec(θ)tan(θ).

To solve for u'(θ) and v'(θ), we need to use the trig identity sec(θ)tan(θ) = sin(θ)/cos(θ).

So, we have u'(θ)sin(θ) = sin(θ), and v'(θ)cos(θ) = 1.

Integrating both sides, we get

u(θ) = -cos(θ) + c1, and v(θ) = ln|sec(θ)| + c2.

Therefore, the particular solution is

yp(θ) = (-cos(θ) + c1)cos(θ) + (ln|sec(θ)| + c2)sin(θ).

Thus, the general solution is

y(θ) = yc(θ) + yp(θ)

y(θ) = c1 cos(θ) + c2 sin(θ) - cos(θ)cos(θ) + (c1ln|sec(θ)| + c2)sin(θ)

y(θ) = c1 cos(θ) - cos^2(θ) + c2 sin(θ) + c1 sin(θ)ln|sec(θ)|.

For the second part of the question, we need to solve the differential equation y'' + y = sin^2(x).

The characteristic equation is r² + 1 = 0, which has roots r = ±i.

So the complementary function is yc(x) = c1 cos(x) + c2 sin(x).

To find the particular solution, we can use the method of undetermined coefficients. Since sin²(x) = (1/2) - (1/2)cos(2x), we can guess a particular solution of the form yp(x) = a + bcos(2x).

Then, yp'(x) = -2bsin(2x) and yp''(x) = -4bcos(2x).

Substituting these into the differential equation, we get

-4bcos(2x) + a + bcos(2x) = (1/2) - (1/2)cos(2x).

Equating coefficients of cos(2x) and the constant term, we get the system of equations

a - 3b = 1/2

-4b = -1/2

Solving for a and b, we get a = -5/24 and b = 1/8.

Therefore, the particular solution is

yp(x) = -5/24 + (1/8)cos(2x).

Thus, the general solution is

y(x) = yc(x) + yp(x)

y(x) = c1 cos(x) + c2 sin(x) - 5/24 + (1/8)cos(2x).

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The given equation for the domain is C=5.5b, where b represents the number of dollar bills produced and C represents the total cost of producing those dollar bills.

We are told that the mint produces at least 420 dollar bills but not more than 425 dollar bills. Therefore, the domain of the function C=5.5b for this situation is the set of values of b that satisfy this condition.

In interval notation, we can represent this domain as follows:

Domain: 420 ≤ b ≤ 425

Therefore, the domain of the function C=5.5b for this situation is 420 ≤ b ≤ 425.

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The exposure variable in the cohort study was consumption of artificially sweetened beverages.

The exposure variable in a cohort study refers to the factor that researchers are interested in studying to determine its potential association with an outcome. In this case, the exposure variable was consumption of artificially sweetened beverages.

The researchers looked at how often individuals consumed these beverages, and the amount or frequency of consumption may have been measured to assess the exposure. The researchers aimed to investigate whether there was a relationship between consumption of artificially sweetened beverages and the outcomes of incident stroke and dementia.

Therefore, the exposure variable in the cohort study was artificially sweetened beverage consumption.

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The maximum of z if: x+y+z =5, xy+yz +xz  is 3.

We may determine z from the first equation by resolving it in terms of x and y:

z = 5 - x - y

With the second equation as a substitute

5 - x - y + xy + y(5 - x - y) + x = 3

2xy - 5y - 5x + 25 = 0

Solving for y

y=[5 √(25 - 8x)] / 4

So,

x = y = 1

Adding back into the initial equation

z = 5 - x - y = 3

Therefore the maximum value of z is 3 which occurs when x = y = 1.

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Your  annual salary of $12.500 increases by 3% each year after 5 years would be $14,456.47.

What is function?

In mathematics, a function is a relation between a set of inputs and a set of possible outputs with the property that each input is related to exactly one output. A function is typically denoted by a symbol, such as f(x), where "f" is the name of the function and "x" is the input variable. The output of the function is obtained by applying a rule or formula to the input variable.

The function that represents your salary after x years can be written as:

y = 12500(1 + 0.03)ˣ

where y is your salary in dollars after x years, 12500 is your starting salary in dollars, and 0.03 is the annual increase rate as a decimal (3% = 0.03).

To calculate your salary after, say, 5 years, you would substitute x = 5 into the function:

y = 12500(1 + 0.03)

y = 14,456.47

Therefore, Your  annual salary of $12.500 increases by 3% each year after 5 years would be $14,456.47.

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The slope of the line tangent to the polar curve r = 9 + 3cosθ at (12, 0) is 0 (choice A).
The slope of the line tangent to the polar curve r = 9 + 3cosθ at (6, π) is 0 (choice A).

To find the slope of the line tangent to the polar curve r = 9 + 3cosθ at the given points (12, 0) and (6, π):

We'll first find the derivative dr/dθ and then use the formula for the slope of a tangent line in polar coordinates:

dy/dx = (r(dr/dθ) + dr/dθcosθ)/(r - dr/dθsinθ).
Step 1: Find dr/dθ.
r = 9 + 3cosθ
dr/dθ = -3sinθ
Step 2: Compute dy/dx for each point.
For (12, 0):
r = 12, θ = 0
dy/dx = (12(-3sin0) + (-3sin0)cos0)/(12 - (-3sin0)sin0)
dy/dx = (0 + 0)/(12 - 0) = 0
So the slope at (12, 0) is 0, which corresponds to choice A in your question.
For (6, π):
r = 6, θ = π
dy/dx = (6(-3sinπ) + (-3sinπ)cosπ)/(6 - (-3sinπ)sinπ)
dy/dx = (0 - 0)/(6 - 0) = 0
So the slope at (6, π) is 0, which corresponds to choice A in your question.
In summary:
The slope of the line tangent to the polar curve r = 9 + 3cosθ at (12, 0) is 0 (choice A).
The slope of the line tangent to the polar curve r = 9 + 3cosθ at (6, π) is 0 (choice A).

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Answer: w < 2,200

Step-by-step explanation:

The volume of his barn is calculated as:

= 40,000 cubic feet.

The barn as seen in the image attached below comprises of a rectangular prism and a triangular prism. Therefore:

Volume of the barn = (volume of rectangular prism) + (volume of triangular prism).

Volume of triangular prism = 1/2(base * height) * length of prism

= 1/2(40 * 10) * 50

= 10,000 cubic feet.

Volume of the rectangular prism = length * width * height

= 50 * 40 * 15

= 30,000 cubic feet.

Therefore, volume of his barn = 30,000 + 10,000 = 40,000 cubic feet.

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Answer:

To solve this system of congruences, we can use the Chinese Remainder Theorem. We begin by finding the values of the constants that we will use in the CRT.

First, we have:

x ≡ 12 (mod 25)

This means that x differs from 12 by a multiple of 25, so we can write:

x = 25k + 12

Next, we have:

x ≡ 9 (mod 26)

This means that x differs from 9 by a multiple of 26, so we can write:

x = 26m + 9

Finally, we have:

x ≡ 23 (mod 27)

This means that x differs from 23 by a multiple of 27, so we can write:

x = 27n + 23

Now, we need to find the values of k, m, and n that satisfy all three congruences. We can do this by substituting the expressions for x into the second and third congruences:

25k + 12 ≡ 9 (mod 26)

This simplifies to:

k ≡ 23 (mod 26)

26m + 9 ≡ 23 (mod 27)

This simplifies to:

m ≡ 4 (mod 27)

We can use the first congruence to substitute for k in the second congruence:

25(23t + 12) ≡ 9 (mod 26)

This simplifies to:

23t ≡ 11 (mod 26)

We can solve this congruence using the extended Euclidean algorithm or trial and error. We find that t ≡ 3 (mod 26) satisfies this congruence.

Substituting for t in the expression for k, we get:

k = 23t + 12 = 23(3) + 12 = 81

Substituting for k and m in the expression for x, we get:

x = 25k + 12 = 25(81) + 12 = 2037

x = 26m + 9 = 26(4) + 9 = 113

x = 27n + 23 = 27(n) + 23 = 2037

We can check that all three of these expressions are congruent to 2037 (mod 25), 9 (mod 26), and 23 (mod 27), respectively. Therefore, the solution to the system of congruences is:

x ≡ 2037 (mod 25 x 26 x 27) = 14152

Answer:

3

Step-by-step explanation:

since there are 6 sides, you do 18 divide 6 which is 3

Answer:

The length of the hexagon= 3 because perimeter= the distance around that particular polygon and 3 multiplied by the number of sides of the regular polygon which is 6 to get 18 therefore 3 becomes the length of each side of the hexagon

The main answer is that by plugging y into the differential equation, we get:

y' + 2y = (2/3)eˣ + e⁻²ˣ + 2(2/3)eˣ + 2e⁻²ˣ

Simplifying this expression, we get:

y' + 2y = (8/3)eˣ + (3/2)e⁻²ˣ

And since this is equal to 2eˣ, we can see that y is a solution of the differential equation.

The explanation is that in order to show that y is a solution of the differential equation, we need to plug y into the equation and see if it satisfies the equation.

In this case, we get an expression that simplifies to 2eˣ, which is the same as the right-hand side of the equation. Therefore, we can conclude that y is indeed a solution of the differential equation. This method is commonly used to verify solutions of differential equations and is a useful tool for solving more complex problems.

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A polynomial that satisfies the given conditions is f(x) = a(x + 2)^2(x - 2)^2x^3, where a is a constant.

To find the polynomial f(x) that meets the given requirements, we can start by noting that since -2 and 2 are zeros of multiplicity 2, the factors (x + 2)^2 and (x - 2)^2 must be included in the polynomial. Additionally, since 0 is a zero of multiplicity 3, the factor x^3 must also be included.

So far, we have the polynomial in the form f(x) = a(x + 2)^2(x - 2)^2x^3, where a is a constant that we need to determine.

To find the value of a, we can use the fact that f(-1) = 45. Plugging in x = -1 into the polynomial, we get:

f(-1) = a(-1 + 2)^2(-1 - 2)^2(-1)^3

= a(1)^2(-3)^2(-1)

= 9a

Setting 9a equal to 45, we can solve for a:

9a = 45

a = 5

So the polynomial f(x) that satisfies the given conditions is:

f(x) = 5(x + 2)^2(x - 2)^2x^3.

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The direction of the resultant vector is determined as -21.80⁰.

The value of angle between the two vectors is the direction of the resultant vector and it is calculated as follows;

tan θ = vy/vx

where;

( -4, 12), (6, 8)

vy = (8 - 12) = -4

vx = (6 + 4) = 10

tan θ = ( -4 ) / ( 10 )

tan θ = -0.4

The value of θ is calculated  by taking arc tan of the fraction,;

θ = tan ⁻¹ ( -0.4 )

θ =  -21.80⁰

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We can say with 90% confidence that the true mean level of polyunsaturated fatty acid in this brand of diet margarine is between 16.95 and 17.23. The answer is 90%.

Using the t-distribution with 5 degrees of freedom (n-1), we can calculate the t-value for a 90% confidence interval. We use a one-tailed test because we want to find the confidence interval for values greater than 16.65:

t-value = t(0.90,5) = 1.476

Now we can calculate the margin of error (E) for a 90% confidence interval:

E = t-value * (s / √n) = 1.476 * (0.31 / √6) = 0.28

Finally, we can calculate the confidence interval:

16.95 + E = 16.95 + 0.28 = 17.23

Therefore, we can say with 90% confidence that the true mean level of polyunsaturated fatty acid in this brand of diet margarine is between 16.95 and 17.23. Since the range of values between 16.65 and 17.32 falls within this confidence interval, we can also say that we are 90% confident that the true mean level of polyunsaturated fatty acid falls within this range.

So, the answer is 90%.

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