if you give me new answer i will give you like
Find the probabilities of getting the values + 1 and - 1 For each of the space directors x, y, z and each of the vectors luz, ld, liz, 107, 117, 18)

The calculated value of the LCM of 79 and 81 is 6399

From the question, we have the following parameters that can be used in our computation:

Numbers = 79 and 81

The numbers 79 and 81 do not have any common factor

This means that we multipy them to get the LCM

So, we have

LCM = 79 * 81

Evaluate

LCM = 6399

Hence, the LCM is 6399

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Once you do find a match, or several matches, the smallest of these matches would be the Least Common Multiple. For instance, the first matching multiple(s) of 81 and 79 are 6399, 12798, 19197. Because 6399 is the smallest, it is the least common multiple. The LCM of 81 and 79 is 6399.

This is a two-tailed test, and the P-value associated with this situation is between 0.05 and 0.1.

The t-test analysis for the mean lifetime of pond flies.

(1) To determine if this is a right-tailed, left-tailed, or two-tailed test, we need to consider the hypothesis being tested. In this case, the biologist wants to know if the mean lifetime for all pond flies of a particular type is 24.6 days.

The null hypothesis (H0) would be that the mean lifetime is equal to 24.6 days (μ = 24.6), while the alternative hypothesis (H1) would be that the mean lifetime is not equal to 24.6 days (μ ≠ 24.6).

Since the alternative hypothesis is testing for a difference in either direction, this would be a two-tailed test.

(2) To find the P-value, we need to consult the t-table using the test statistic, t = 2.025, and the degrees of freedom, which is calculated as (sample size - 1) or (38 - 1) = 37. Looking up these values in the t-table, you'll find that the P-value lies between 0.025 and 0.05. Since this is a two-tailed test, you should multiply the value by 2, giving you a final P-value range between 0.05 and 0.1.

Your answer: This is a two-tailed test, and the P-value associated with this situation is between 0.05 and 0.1.

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The area of the window is 2122.64 ft².

Given that a window has a diameter of 26 feet, we need to find the area of the window,

Since, the window is circular so the area will be = π × radius²

= 3.14 × 26²

= 2122.64 ft²

Hence, the area of the window is 2122.64 ft².

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The common ratio is 1.25. An explicit rule for the geometric sequence is  f(n) = 300(1.25)ⁿ⁻¹ . The value of f(12) is 5,722.05.

To find the common ratio of the sequence, we need to divide each term by the previous term. For example, to find the common ratio between the first two terms:

375/300 = 1.25

Similarly, we can find the common ratio between the second and third terms:

468.75/375 = 1.25

And the common ratio between the third and fourth terms:

585.9375/468.75 = 1.25

Since the common ratio is the same for each pair of adjacent terms, we can conclude that the explicit rule for the geometric sequence is:

f(n) = 300(1.25)ⁿ⁻¹

To find f(12), we can simply substitute 12 for n in the formula:

f(12) = 300(1.25)¹²⁻¹

f(12) = 300(1.25)¹¹

f(12) = 300(19.0735)

f(12) = 5,722.05

Therefore, f(12) is 5,722.05.

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So if she bought a total of $8 worth that means there is more than one possibility but it says apples and bananas total but I’m gonna do more than that

For a total of $8 she could by 16 bananas and 0 apples

For $8 she could by 8 apples and zero bananas

For $8 she could by 4 apples and 8 bananas

The chemical equation N2 + 3H2 ---> 2NH3 tells us that in order to make two molecules of NH3, we need one molecule of N2 and three molecules of H2.

To figure out how many moles (which is just a way of measuring how much of a substance you have) of H2 we need to react with 14.0 g of N2, we can use the information from the equation.

First, we convert the 14.0 g of N2 to moles (which means we're figuring out how many pieces of N2 we have, because 1 mole = Avogadro's number of particles, or roughly 6.022 x 10^23).

14.0 g N2 x (1 mol N2/28 g N2) = 0.5 mol N2

Then, we use the mole ratio from the equation to figure out how many moles of H2 we need:

0.5 mol N2 x (3 mol H2/1 mol N2) = 1.5 mol H2

So we'd need 1.5 moles of H2 to react completely with 14.0 g of N2.

If you provide more values than the size of the array, you'll get a compilation error.

In C or C++ programming languages, an array can be declared, created, and initialized in a single statement. Here's how you can declare, create, and initialize an array named a of 10 elements of type int with the values of the elements (starting with the first) set to 10, 20, 30, 40, 50, 60, 70, 80, 90, and 100, respectively:

int a[10] = {10, 20, 30, 40, 50, 60, 70, 80, 90, 100};

This statement does the following:

Declares an array named a of 10 elements of type int.

Initializes the elements of the array with the specified values in the curly braces, starting from the first element.

Note that if you don't provide enough values in the curly braces, the remaining elements will be initialized to 0. If you provide more values than the size of the array, you'll get a compilation error.

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The maximum occurs at x ≈ 2.2143, the inflection point occurs at x = π, and there are no local minima in the interval 0 ≤ x ≤ 2π.

To find the maximum, minimum, and inflection points for the function y = 5 sin x + 3x, we need to take the derivative of the function and set it equal to zero to find the critical points.

y = 5 sin x + 3x

y' = 5 cos x + 3

Setting y' equal to zero, we get:

5 cos x + 3 = 0

cos x = -3/5

x = arccos(-3/5) ≈ 2.2143

This is the only critical point in the interval 0 ≤ x ≤ 2π.

To determine if this critical point is a maximum or minimum, we can use the second derivative test. Taking the second derivative of y, we get:

y'' = -5 sin x

At x = arccos(-3/5), y'' = -5 sin(arccos(-3/5)) ≈ -4.4721

Since y'' is negative at x = arccos(-3/5), this critical point is a local maximum.

To find the inflection points, we need to find where the concavity changes. This occurs when y'' = 0 or is undefined. Since y'' is never equal to zero, the only possibility is that y'' is undefined. This occurs when sin x = 0, which happens at x = kπ for any integer k. However, we are only interested in the interval 0 ≤ x ≤ 2π, so we only need to check the values k = 0, 1, and 2.

At x = 0 and x = 2π, y'' = -5 sin(0) = 0, which means that the concavity does not change at these points.

At x = π, y'' = -5 sin(π) = 0, which means that the concavity changes at this point. Therefore, x = π is an inflection point.

In summary, the maximum occurs at x ≈ 2.2143, the inflection point occurs at x = π, and there are no local minima in the interval 0 ≤ x ≤ 2π.

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This statement is false. it was proved with advanced algebra that a doubled cube could never be constructed with a straightedge and compass. it is false.

Cube is a polygon having six faces. The volume of a cube is a side³

We have given that Doubling the volume of a given cube will require increasing each side length by the cube root of 2.

However, this value is not constructible, only a straightedge and compass.

Thus, This is not possible to construct a cube of twice the volume of a cube by using only a straightedge and compass.

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In this regression analysis, the letter b in the equation y = a + bx represents the estimate of the cost for an additional customer visit. This means that for every additional customer visit to the store, the expected increase in monthly total costs is $2.08, according to the regression model.

The letter x in the regression equation represents the observed customer visits for a given month. This means that the regression model is predicting the monthly total costs based on the number of customer visits in that month.

The R2 value of 0.8681 means that 86.81% of the total variance in the monthly total costs can be explained by the regression equation, which indicates a strong relationship between the number of customer visits and the total costs. This can help managers of Brewsky's make informed decisions about how to allocate resources and improve profitability. However, it is important to note that other factors may also influence the costs, and the regression model may not capture all of these factors.

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Answer:

center = -1, -3

radius = 6

Step-by-step explanation:

x² + y² + 2x + 6y = 26

x² + 2x + y² +6y = 26

equation of a circle is,

(x - h)² + (y - k)² = r²

where center of a circle is (h,k)

radius = r

x² + 2x + y² + 6y = 26

finding the middle point for mid term breaking of the equations,

(2/2)² = 1

(6/2)² = 9

x² + 2x + 1 + y² + 6y + 9 = 26 + 1 +9

to balance the equation we have to add the midpoints at both sides,

thus we have equation of a circle,

(x + 1)² + (y + 3)² = 36

so,

centre of a circle = -1, -3

radius = 6

The volume of the triangular prism is given as follows:

V = 88.13 cm³.

The volume of a triangular prism is given as half the multiplication of the dimensions of the triangle, as follows:

V = 0.5 x l x w x h.

The dimensions of the triangle in this problem are given as follows:

3 cm, 5 cm and 11.75 cm.

Hence the volume of the prism is given as follows:

V = 0.5 x 3 x 5 x 11.75

V = 88.13 cm³.

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The volume of ornament B is 125 times larger than the volume of ornament A.

In Geometry and Mathematics, a scale factor simply refers to the ratio of two corresponding side lengths in two similar geometric figures such as pentagons, which can be used to either horizontally or vertically enlarge (increase) or reduce (decrease or compress) a function that represents their size.

In Geometry, the scale factor of the dimensions of a geometric figure can be calculated by using the following formula:

Scale factor of volume = (Scale factor of dimensions)³

Scale factor of volume = (5)³

Scale factor of volume = 125

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Missing information:

The question is incomplete and the complete question is shown in the attached picture.

The likelihood of producing metal bars with lengths significantly longer than the mean length of 11 cm.

(a) Using the standard normal distribution, we have:

z = (10.5 - 11) / 0.25 = -2

Using a standard normal distribution table or calculator, we find that the probability of a randomly selected cylindrical metal bar having a length longer than 10.5 cm is approximately 0.9772.

(b) Using the standard normal distribution, we have:

P(X > K) = 0.14

Using a standard normal distribution table or calculator, we find that the corresponding z-score is approximately 1.08. Therefore,

1.08 = (K - 11) / 0.25

Solving for K, we get:

K = 11.27 cm

(c) Let X be the length of a cylindrical metal bar in cm. Then, the production cost Y is given by:

Y = 80X + 100

The mean of Y is:

μY = E(Y) = E(80X + 100) = 80E(X) + 100 = 80(11) + 100 = 980

The median of Y is approximately equal to the mean, since the distribution is approximately symmetric.

The variance of Y is:

σY^2 = Var(Y) = Var(80X + 100) = 80^2 Var(X) = 80^2 (0.25)^2 = 40

The standard deviation of Y is:

σY = sqrt(Var(Y)) = sqrt(400) = 20

The 86th percentile of Y can be found using a standard normal distribution table or calculator:

P(Z < z) = 0.86

z = invNorm(0.86) ≈ 1.08

Solving for Y, we get:

Y = 80X + 100 = 80(11 + 1.08) + 100 ≈ $1064.40

(d) The production cost of a metal bar has a mean of $980, a median of approximately $980, a variance of $400, a standard deviation of $20, and an 86th percentile of approximately $1064.40.

(e) The process standard deviation should be adjusted to a lower level than 0.25 cm to minimize the chance of the production cost of a metal bar to be more expensive than $1000. This is because a lower standard deviation indicates that the production process is more consistent, which reduces the likelihood of producing metal bars with lengths significantly longer than the mean length of 11 cm.

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The value of x - intercepts are,

⇒ x = ±√5, 0, 0

We have to given that;

The function is,

⇒ f (x) = x⁴ - 5x²

Now, We can find the value of x - intercept as;

⇒ f (x) = x⁴ - 5x²

Plug f (x) = 0

⇒ 0 = x⁴ - 5x²

⇒ x² (x² - 5) = 0

⇒ x² = 0

⇒ x = 0, 0

And, x² - 5 = 0

⇒ x² = 5

⇒ x = ±√5

Thus, The value of x - intercepts are,

⇒ x = ±√5, 0, 0

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Answer:

C

Step-by-step explanation:

edge 2023

The cylindrical mailing tube of greatest volume that can be mailed using the US Postal Service has a radius of 12 inches, a length of 36 inches, and a volume of approximately 16,190 cubic inches.

In Exercise 23, we were given the following information:

The mailing tube must have a length of 48 inches or less.

The total combined length and girth (circumference) of the mailing tube cannot exceed 108 inches.

Let's assume that the mailing tube is a cylinder with radius r and length h. The cylinder's volume is then determined by:

[tex]V = πr^2h[/tex]

We want to find the dimensions of the cylinder that will maximize its volume, subject to the constraints given. To tackle this issue, we can employ the Lagrange multiplier approach.

The Lagrangian function for this problem is:

[tex]L(r, h, λ) = πr^2h + λ(108 - 2πr - 2h) + μ(48 - h)[/tex]

where λ and μ are Lagrange multipliers.

We take the partial derivatives of L with respect to r, h, and and set them to zero in order to determine the critical points of L:

∂F/∂r = 2πrL - 2μ = 0

∂F/∂L = πr^2 - λ - 2μ = 0

∂F/∂λ = 46 - L = 0

∂F/∂μ = 108 - 2r - 2L = 0

Solving these equations simultaneously, we get:

r = h/π

μ = πh/2 - λ

r = (54 - h/π)/π

Substituting r and λ in terms of h into the equation for ∂L/∂h and solving for h, we get:

h = 36 inches

Substituting this value of h into the equations for r and λ, we get:

r = 12 inches

λ = 9π

Therefore, the largest cylindrical postal tube that may be sent by the US Postal Service has a radius of 12 inches, a length of 36 inches, and a capacity of around 16,190 cubic inches.

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The complete question is -

Refer to exercise 23. Find the dimensions of the cylindrical mailing tube of greatest volume that may be mailed using the us postal service.

A package to be mailed using the US postal service may not measure more than 108 inches in length plus girth. (Length is the longest dimension and girth is the largest distance around the package, perpendicular to the length.) Find the dimensions of the rectangular box with square base of greatest volume that may be mailed?

Cy = [1 1 1; 0 1 1; 0 0 1] [p(1-p) 0 0; 0 p(1-p) 0; 0 0 p(1-p)] [1 0 0; 1 1 0; 1 1 1]

Cy = [

(a) The probability mass function (PMF) for X is:

px(x1, x2, x3) = P(X1 = x1, X2 = x2, X3 = x3) = P(X1 = x1) * P(X2 = x2) * P(X3 = x3) = (1-p)^(1-x1) * p^(x1) * (1-p)^(1-x2) * p^(x2) * (1-p)^(1-x3) * p^(x3) = p^(x1+x2+x3) * (1-p)^(3-x1-x2-x3)

where p=1/4 is the probability of success and (x1,x2,x3) can take values in {0,1}.

(b) The covariance matrix Cx can be calculated using the formula:

Cx = E[(X - mu)(X - mu)^T]

where mu is the mean vector of X, which is [p, p, p]^T in this case, and E denotes the expected value.

Using the fact that X1, X2, X3 are independent, we have:

E[X1X2] = E[X1]E[X2] = p^2

E[X1X3] = E[X1]E[X3] = p^2

E[X2X3] = E[X2]E[X3] = p^2

E[X1] = E[X2] = E[X3] = p

E[X1^2] = E[X2^2] = E[X3^2] = p

E[(X1-p)(X2-p)] = E[X1X2] - p^2 = 0

E[(X1-p)(X3-p)] = E[X1X3] - p^2 = 0

E[(X2-p)(X3-p)] = E[X2X3] - p^2 = 0

Therefore, the probability matrix Cx is:

Cx = E[(X - mu)(X - mu)^T] = E[X X^T] - mu mu^T

Cx = [p^2+p(1-p) p^2 p^2;

p^2 p^2+p(1-p) p^2;

p^2 p^2 p^2+p(1-p)]

- [p^2 p^2 p^2;

p^2 p^2 p^2;

p^2 p^2 p^2]

Cx = [p(1-p) 0 0;

0 p(1-p) 0;

0 0 p(1-p)]

(c) Y can be expressed as a linear combination of X:

Y = [1 0 0] X1 + [1 1 0] X2 + [1 1 1] X3

Therefore, the matrix A is:

A = [1 0 0;

1 1 0;

1 1 1]

(d) The covariance matrix Cy of Y can be calculated as:

Cy = A Cx A^T

Substituting the values of A and Cx, we get:

Cy = [1 1 1; 0 1 1; 0 0 1] [p(1-p) 0 0; 0 p(1-p) 0; 0 0 p(1-p)] [1 0 0; 1 1 0; 1 1 1]

Cy = [

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Answer: 3

Step-by-step explanation:

3672 divided by 1400 is 2.6228571428571428571428571428571 and when doing this type of question, you need to round up to the nearest whole number.

So, your answer would be 3 tubes of paint.

Hope this helps! :)

The absolute minimum and absolute maximum values of the function f(x) = 3x^4 - 4x^3 - 36x^2 on the interval [-3, 5] are -283 and 81, respectively. To get the absolute minimum and absolute maximum values of the function f(x) = 3x^4 - 4x^3 - 36x^2 on the interval [-3, 5].

Step 1: Find the critical points by taking the derivative of the function and setting it equal to zero.
f'(x) = 12x^3 - 12x^2 - 72x
Step 2: Factor the derivative.
f'(x) = 12x(x^2 - x - 6)
Step 3: Solve for x to find the critical points.
x = 0, x = -1, x = 6
Step 4: Evaluate the function at the critical points and endpoints of the interval.
f(-3) = 81
f(0) = 0
f(-1) = 43
f(5) = -283
Step 5: Identify the absolute minimum and absolute maximum values.
The absolute minimum value of f(x) is -283 at x = 5.
The absolute maximum value of f(x) is 81 at x = -3.
So, the absolute minimum and absolute maximum values of the function f(x) = 3x^4 - 4x^3 - 36x^2 on the interval [-3, 5] are -283 and 81, respectively.

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The expected value of the number of rejected items per day is 2.7.

The variance and standard deviation of rejected items per day are 0.107 and 0.327, respectively.

a) The completed probability mass function (PMF) and cumulative distribution function (CDF) tables are as follows:

X f(x) F(x)

0 0 0

1 1/20 1/20

2 0.05 3/40

3 7/20 1/2

4 0.1 9/20

5 4/20 1

b) P(X=5) = 4/20 = 0.2

c) P(X ≤ 2) = F(2) = 1/20 + 0.05 = 0.1 + 0.05 = 0.15

d) The expected value (or mean) of X is:

E(X) = ∑[x * f(x)] = (0 * 0) + (1 * 1/20) + (2 * 0.05) + (3 * 7/20) + (4 * 0.1) + (5 * 4/20) = 2.7

Therefore, the expected value of the number of rejected items per day is 2.7.

e) The variance of X is:

Var(X) = ∑[(x - E(X))^2 * f(x)] = (0 - 2.7)^2 * 0 + (1 - 2.7)^2 * 1/20 + (2 - 2.7)^2 * 0.05 + (3 - 2.7)^2 * 7/20 + (4 - 2.7)^2 * 0.1 + (5 - 2.7)^2 * 4/20

= 0.81 * 0 + 0.49 * 0.05 + 0.0225 * 0.05 + 0.09 * 0.35 + 0.0225 * 0.1 + 0.49 * 0.2

= 0.107

The standard deviation of X is:

SD(X) = sqrt(Var(X)) = sqrt(0.107) = 0.327

Therefore, the variance and standard deviation of rejected items per day are 0.107 and 0.327, respectively.

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Answer: 120

Step-by-step explanation:V= 8x5x3 =120 ^3

To show that the functions f(x) = x, g(x) = x - 1, and h(x) = x + 3 are linearly dependent, we need to find a non-zero linear combination of the three functions that equals zero.

Let's assume that a, b, and c are constants such that:

a*f(x) + b*g(x) + c*h(x) = 0

Substituting in the given functions, we get:

a*x + b*(x - 1) + c*(x + 3) = 0

Simplifying this equation, we get:

(a + b + c) * x + (-b + 3c) = 0

For this equation to hold true for all x, we must have:

a + b + c = 0

-b + 3c = 0

This is a system of two equations with three unknowns, which means that we have infinitely many solutions. For example, we could choose a = 1, b = -2, and c = 1, and the equation would hold true. Therefore, we have shown that the functions f(x) = x, g(x) = x - 1, and h(x) = x + 3 are linearly dependent.

Now, let's show that the functions f(x) = x^2, g(x) = x - 1, and h(x) = x + 3 are linearly independent.

We need to show that there are no non-zero constants a, b, and c such that:

a*f(x) + b*g(x) + c*h(x) = 0

Substituting in the given functions, we get:

a*x^2 + b*(x - 1) + c*(x + 3) = 0

This equation holds true for all x if and only if its coefficients are all zero. Therefore, we need to solve the system of three equations:

a = 0

-b + c = 0

3c = 0

The first equation tells us that a must be zero. The third equation tells us that c must be zero. Substituting c = 0 into the second equation, we get:

-b = 0

Therefore, we must have b = 0 as well.

Since a, b, and c are all zero, we have shown that the functions f(x) = x^2, g(x) = x - 1, and h(x) = x + 3 are linearly independent.

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The first-order and the second-order Taylor formula for f(x, y) = 17e(x+y) at (0,0) is f(x,y) = 17 + 17x + 17y + (17/2)x² + 17xy + (17/2)y²

The first-order Taylor formula for f(x,y) = 17[tex]e^{(x+y)}[/tex] at (0,0) is:

f(x,y) ≈ f(0,0) + ∇f(0,0) · (x,y)

≈ 17[tex]e^{(0+0)}[/tex] + (∂f/∂x, ∂f/∂y)(0,0) · (x,y)

≈ 17 + (17,17) · (x,y)

≈ 17 + 17x + 17y

The second-order Taylor formula for f(x,y) = 17[tex]e^{(x+y)}[/tex] at (0,0) is:

f(x,y) ≈ f(0,0) + ∇f(0,0) · (x,y) + (1/2)(x,y) · Hf(0,0) · (x,y)

≈ 17 + (17,17) · (x,y) + (1/2)(x,y) · ( ∂²f/∂x² ∂²f/∂x∂y ; ∂²f/∂y∂x ∂²f/∂y² ) (0,0) · (x,y)

≈ 17 + 17x + 17y + (1/2)(x,y) · (17 17 ; 17 17) · (x,y)

≈ 17 + 17x + 17y + (1/2)(17x² + 34xy + 17y²)

≈ 17 + 17x + 17y + (17/2)x² + 17xy + (17/2)y²

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The price when x = 12 is 80 dollars.

The elasticity of demand, according to the given conditions,  when x = 12 is 0.0625

To compute the price, p, when x = 12, we plug in x = 12 into the demand function P = 5(x + 4) "4:

P = 5(12 + 4) "4
P = 80

So the price when x = 12 is 80 dollars.

To compute the rate of change of demand with respect to price, p, we use implicit differentiation. Differentiating both sides of the demand function P = 5(x + 4) "4 with respect to p, we get:

dP/dp = 5(dx/dp)

Solving for dx/dp, we get:

dx/dp = (dP/dp) / 5

We know that dP/dx = 5, since that is the coefficient of x in the demand function. So when x = 12, we have:

dP/dx = 5
dP/dp = (dP/dx)(dx/dp) = 5(dx/dp)

Substituting in dP/dp = -15 (since we want the rate of change of demand with respect to price, not quantity), we get:

-15 = 5(dx/dp)
dx/dp = -3

So the rate of change of demand with respect to price, when x = 12, is -3 thousand units per dollar.

To compute the elasticity of demand when x = 12, we use the formula:

Elasticity of Demand = (% change in quantity demanded) / (% change in price)

We can find the % change in quantity demanded by using the derivative of the demand function. We have:

P = 5(x + 4) "4
dP/dx = 5
dP/dx = 5(x + 4)"5(dx/dx) = 5(12 + 4)"5(dx/dx)
dx/dx = (dP/dx) / (5(x + 4)"5) = 1 / (x + 4)"5

So when x = 12, we have:

dx/dx = 1 / (12 + 4)"5 = 1/16

This means that a 1% increase in quantity demanded corresponds to a 1/16% increase in x. Similarly, a 1% decrease in quantity demanded corresponds to a 1/16% decrease in x.

To find the % change in price, we can use the fact that the demand function is:

P = 5(x + 4) "4

This means that a 1% increase in price corresponds to a 1% increase in P, since there are no other variables involved in the equation. Similarly, a 1% decrease in price corresponds to a 1% decrease in P.

So we have:

% change in quantity demanded = 1/16%
% change in price = 1%

Plugging these into the formula for elasticity of demand, we get:

Elasticity of Demand = (% change in quantity demanded) / (% change in price)
Elasticity of Demand = (1/16%) / (1%)
Elasticity of Demand = 1/16

So the elasticity of demand when x = 12 is 1/16 or 0.0625.

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The area of the composite figure is 29 feet squared.

A five-sided figure with a flat top labelled 5 and one-half feet.  A height labelled 4 feet. The length of the entire image is 9 ft.

Therefore, the area of the composite figure can  be found as follows;

The figure can be divide into two shapes which are rectangle and a triangle.

Hence,

area of the composite figure = area of the rectangle + area of the triangle

area of the rectangle = 4 × 5.5 = 22 ft²

area of the triangle = 1 / 2 bh

where

area of the triangle = 1 / 2 × 4 × (9 - 5.5)

area of the triangle = 1 / 2 × 4 × 3.5

area of the triangle = 14 / 2

area of the triangle = 7 ft²

Therefore,

area of the composite figure = 22 + 7

area of the composite figure = 29 ft²

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SSS (Side-Side-Side) Postulate: Two triangles are congruent if the three sides of one triangle are equal to the three corresponding sides of the other triangle.

SAS (Side-Angle-Side) Postulate: Two triangles are congruent if two sides and the included angle of one triangle are equal to the two corresponding sides and included angle of the other triangle.

To use the SSS or SAS postulate, you must show that all three corresponding sides or two sides and the included angle are equal, respectively. When you have proved that the two triangles are congruent, you can use the congruence statements and CPCTC (Corresponding Parts of Congruent Triangles are Congruent) to prove other properties of the triangles.

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Answer:

Step-by-step explanation:

i dont know how to do this help me  im on a test and cant do this

The required manager should charge $1600 for one-bedroom units and $2250 for two-bedroom units to maximize revenue.

Let x be the number of $20 increases in the price of a one-bedroom unit, and y be the number of $60 increases in the price of a two-bedroom unit. Then the rental prices for one-bedroom and two-bedroom units can be expressed as:

One-bedroom price = $1200 + $20x

Two-bedroom price = $1800 + $60y

The total number of customers for one-bedroom units is 90 minus the number of customers lost due to the price increase, which is x. Similarly, the total number of customers for two-bedroom units is 100 minus the number of customers lost due to the price increase, which is 2y. Therefore, the total revenue can be expressed as:

Revenue = (90 - x) * ($1200 + $20x) + (100 - 2y) * ($1800 + $60y)

Expanding and simplifying this expression, we get:

Revenue = 216000 + 9600x - 240x² + 180000 + 108000y - 7200y²

Collecting like terms, we get:

Revenue = -240x² - 7200y² + 9600x + 108000y + 396000

To find the rental price that maximizes revenue, we need to find the values of x and y that maximize the revenue. We can do this by taking partial derivatives of the revenue function with respect to x and y and setting them equal to zero:

dRevenue/dx = -480x + 9600 = 0

dRevenue/dy = -14400y + 108000 = 0

Solving for x and y, we get:

x = 20

y = 7.5

Therefore, the rental prices that maximize revenue are:

One-bedroom price = $1200 + $20x = $1600

Two-bedroom price = $1800 + $60y = $2250

So the manager should charge $1600 for one-bedroom units and $2250 for two-bedroom units to maximize revenue.

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The common difference in the arithmetic sequence is 8.

To find the common difference in the arithmetic sequence, we can use the formula:

An = A1 + (n-1)d

Where An is the nth term, A1 is the first term, n is the position of the term, and d is the common difference.

We are given the 6th term (35) and the 41st term (315). We can set up two equations using the formula:

35 = A1 + 5d (1) (6th term)
315 = A1 + 40d (2) (41st term)

Subtract equation (1) from equation (2) to eliminate A1:

315 - 35 = (A1 + 40d) - (A1 + 5d)
280 = 35d

Now, solve for the common difference (d):

d = 280 / 35
d = 8

The common difference in the arithmetic sequence is 8.

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