PLS HELP ASAP I WILL GIVE 50 POINTS AND BRAINIEST IM DESPERATE !!!!
Explain how you would find the area of the shape below.

PLS HELP ASAP I WILL GIVE 50 POINTS AND BRAINIEST IM DESPERATE !!!! Explain How You Would Find The Area

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Answer 1

Answer:

An area is calculated by multiplying the length of a shape by its width

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Step-by-step explanation:


Related Questions

use the ratio test to determine whether the series is convergent or divergent. [infinity] (−5)n n2 n = 1

Answers

The series ∑(-5)^n/(n^2) is convergent.

The ratio test is a method for determining whether an infinite series converges or diverges. It involves taking the limit of the absolute value of the ratio of successive terms:

lim n→∞ |an+1/an|

If this limit is less than 1, then the series converges. If it is greater than 1, then the series diverges. If it is exactly equal to 1, then the test is inconclusive and another method must be used.

For the series ∑(-5)^n/(n^2), we have:

|a(n+1)/an| = |-5|^(n+1)/(n+1)^2 * n^2/(-5)^n

Simplifying this expression gives:

|a(n+1)/an| = (25(n^2))/((n+1)^2)

Taking the limit as n approaches infinity gives:

lim n→∞ |a(n+1)/an| = 25

Since the limit is greater than 1, the series diverges by the ratio test.

Therefore, we conclude that the series ∑(-5)^n/(n^2) is convergent.

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If a, b, and c are integers, and a != 0, then (a b c pi) is nonsingular. (a) Always true. (b) Sometimes true. (c) Never true. (d) Almost always indeterminate (e) None of the above.

Answers

As, the determinant of the matrix with entries a, b, c, and pi is nonzero, except when b and c are both 0, which is a rare exception. Hence, the correct answer is (a) always true.

The statement "If a, b, and c are integers, and a != 0, then (a b c pi) is nonsingular" can be translated to mean that the matrix with entries a, b, c, and pi is nonsingular.

A matrix is said to be nonsingular if its determinant is nonzero. Therefore, the question is asking if the determinant of the matrix with entries a, b, c, and pi is always nonzero, sometimes nonzero, never nonzero, almost always indeterminate, or none of the above.

To find the determinant of the matrix with entries a, b, c, and pi, we use the formula:
| a b |
| c pi |

= (a * pi) - (b * c)

This means that the determinant of the matrix is the difference between the product of a and pi and the product of b and c. We know that a, b, and c are integers, and that a is not equal to 0. Pi is an irrational number, which means that it cannot be expressed as a fraction of integers.

Therefore, the product of a and pi is also irrational, and the product of b and c is always rational, since it is the product of two integers.

It follows that the difference between the product of a and pi and the product of b and c is irrational, unless b and c are both equal to 0, in which case the determinant would be 0.

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a student was asked to find a 99% confidence interval for the proportion of students who take notes using data from a random sample of size n

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In order to find a 99% confidence interval for the proportion of students who take notes, the student would need to follow certain steps. First, they would need to obtain a random sample of students and record whether or not each student takes notes. Based on this data, they would calculate the sample proportion, which is the number of students who take notes divided by the total number of students in the sample.

Next, they would use a statistical formula to calculate the margin of error, which is the amount by which the sample proportion could vary from the true proportion in the population. They would also use a table or calculator to find the critical value for a 99% confidence level.

Finally, the student would use these values to construct the confidence interval, which is the range of values that is likely to contain the true proportion of students who take notes in the population with 99% confidence. This interval would be expressed as a range of values, such as "between 0.55 and 0.75," and would indicate the level of uncertainty in the estimate based on the sample data.

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suppose that a and b are events in a sample space s and that p (a), p (b), and p(aub) are known. derive a formula for p(aubc )

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To derive a formula for P(A ∪ B ∪ C), we can use the inclusion-exclusion principle, which states that:

P(A ∪ B ∪ C) = P(A) + P(B) + P(C) - P(A ∩ B) - P(A ∩ C) - P(B ∩ C) + P(A ∩ B ∩ C)

We know P(A), P(B), P(A ∪ B), and P(C), but we need to find P(A ∩ B), P(A ∩ C), P(B ∩ C), and P(A ∩ B ∩ C).

We can use the following formulas to find these probabilities:

P(A ∩ B) = P(A) + P(B) - P(A ∪ B)

P(A ∩ C) = P(A) + P(C) - P(A ∪ C)

P(B ∩ C) = P(B) + P(C) - P(B ∪ C)

P(A ∩ B ∩ C) = P(A) + P(B) + P(C) - P(A ∪ B) - P(A ∪ C) - P(B ∪ C) + P(A ∪ B ∪ C)

Substituting these formulas in the inclusion-exclusion principle, we get:

P(A ∪ B ∪ C) = P(A) + P(B) + P(C) - P(A) - P(B) - P(A ∪ B) - P(A) - P(C) + P(A ∪ C) - P(B) - P(C) + P(B ∪ C) + P(A) + P(B) + P(C)  - P(A ∪ B) - P(A ∪ C) - P(B ∪ C) + P(A ∪ B ∪ C)

Simplifying this expression, we get:

P(A ∪ B ∪ C) = P(A) + P(B) + P(C) - P(A ∪ B) - P(A ∪ C) - P(B ∪ C) + P(A ∩ B ∩ C)

Therefore, the formula for P(A ∪ B ∪ C) is:

P(A ∪ B ∪ C) = P(A) + P(B) + P(C) - P(A ∪ B) - P(A ∪ C) - P(B ∪ C) + P(A ∩ B ∩ C)

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find the taylor polynomial t3(x) for the function f centered at the number a. f(x) = xe−7x,

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The Taylor polynomial t3(x) for the function f(x) = xe−7x centered at a is:

t3(x) = f(a) + f'(a)(x-a) + f''(a)(x-a)2/2! + f'''(a)(x-a)3/3!

To find the Taylor polynomial t3(x), we need to compute the first three derivatives of f(x):

f(x) = xe−7x

f'(x) = e−7x − 7xe−7x

f''(x) = 49xe−7x − 14e−7x

f'''(x) = −343xe−7x + 147e−7x

Next, we evaluate these derivatives at x = a and simplify:

f(a) = ae−7a

f'(a) = e−7a − 7ae−7a

f''(a) = 49ae−7a − 14e−7a

f'''(a) = −343ae−7a + 147e−7a

Now, we plug these values into the formula for t3(x):

t3(x) = ae−7a + (e−7a − 7ae−7a)(x-a) + (49ae−7a − 14e−7a)(x-a)2/2! + (−343ae−7a + 147e−7a)(x-a)3/3!

We can simplify this expression to obtain the final form of t3(x):

t3(x) = ae−7a + (x-a)e−7a(1-7(x-a)) + (x-a)2e−7a(49a-7) + (x-a)3e−7a(-343a+147)/6

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find the volume of the solid region enclosed by the surface rho = 12 cos φ

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The volume of the solid region enclosed by the surface ρ = 12 cos φ is 5π²/3.

How can we express the equation of the surface in Cartesian coordinates using the formulas?

We can express the equation of the surface in Cartesian coordinates using the formulas:

x = ρ sin φ cos θ

y = ρ sin φ sin θ

z = ρ cos φ

Substituting ρ = 12 cos φ, we get:

x = 12 sin φ cos θ cos φ

y = 12 sin φ sin θ cos φ

z = 12 cos^2 φ

Using the limits of integration 0 ≤ φ ≤ π/2 and 0 ≤ θ ≤ 2π, we can set up the triple integral for the volume of the solid region:

V = ∫∫∫ dV

  = ∫₀^(2π) ∫₀^(π/2) ∫₀^(12 cos φ) ρ^2 sin φ dρ dφ dθ

  = ∫₀^(2π) ∫₀^(π/2) [ρ^3/3]₀^(12 cos φ) sin φ dφ dθ

  = ∫₀^(2π) ∫₀^(π/2) 4(3 sin^4 φ - 6 sin^2 φ + 3) dφ dθ

  = 2π ∫₀^(π/2) 4(3 sin^4 φ - 6 sin^2 φ + 3) dφ

  = 2π [sin^5 φ - 4 sin^3 φ + 3φ]₀^(π/2)

  = 2π [1 - 4/3 + 3π/2]

  = 2π (5/6 + 3π)

  = 5π²/3

Therefore, the volume of the solid region enclosed by the surface ρ = 12 cos φ is 5π²/3.

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The volume of the solid region enclosed by the surface ρ = 12 cos φ is approximately 36651.65.

To find the volume of the solid region enclosed by the surface ρ = 12 cos φ, we can use a triple integral in spherical coordinates.

The limits of integration for ρ are 0 and 12 cos φ. For θ, the limits are 0 and 2π, and for φ, the limits are 0 and π/2.

So, the integral for the volume is:

V = ∭(ρ^2 sin φ) dρ dφ dθ

Substituting ρ = 12 cos φ, we get:

V = ∫[0,2π] ∫[0,π/2] ∫[0,12 cos φ] (ρ^2 sin φ) dρ dφ dθ

 = ∫[0,2π] ∫[0,π/2] ∫[0,12 cos φ] (12^2 cos^2 φ sin φ) dρ dφ dθ

 = 12^3 ∫[0,2π] ∫[0,π/2] [sin φ/3] [12^3 sin φ/3] dφ dθ

 = 12^5/3 ∫[0,2π] ∫[0,π/2] sin^2 φ dφ dθ

Using the trigonometric identity sin^2 φ = (1/2)(1 - cos 2φ), we get:

V = 12^5/3 ∫[0,2π] ∫[0,π/2] (1/2)(1 - cos 2φ) dφ dθ

 = 12^5/6 ∫[0,2π] [φ - (1/2)sin 2φ] dφ

 = 12^5/6 [π^2/2]

 ≈ 36651.65

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True or False. Justify your answer. (a) The function f : Z → Z₁1 by f(x) = (x + 2) mod 11 is one-to-one, where Z₁1 = {0, 1, 2, ..., 10}. (b) {{0}} = {{0},0} (c) If A x C = B x C and C is not an empty set, then A = B (d) 4 is the inverse of -4 modulo 17.

Answers

If we consider function f(0) and f(9), we have f(0) = (0 + 2) mod 11 = 2 and f(9) = (9 + 2) mod 11 = 0.

(a) False. The function f : Z → Z₁1 given by f(x) = (x + 2) mod 11 is not one-to-one. To justify this, we need to show that there exist two distinct elements in Z that map to the same element in Z₁1 under f. If we consider f(0) and f(9), we have f(0) = (0 + 2) mod 11 = 2 and f(9) = (9 + 2) mod 11 = 0. Since 2 and 0 are distinct elements in Z₁1, but they both map to the same element 0 in Z₁1 under f, the function is not one-to-one.

(b) True. The sets {{0}} and {{0}, 0} are equal. This can be justified by considering the definition of sets. In set theory, sets are defined by their elements, and duplicate elements within a set do not change its identity. Both {{0}} and {{0}, 0} contain the element 0. The set {{0}} has only one element, which is 0. The set {{0}, 0} also has only one element, which is 0. Therefore, both sets have the same element, and hence they are equal.

(c) True. If A x C = B x C and C is not an empty set, then A = B. This can be justified by considering the cancellation property of sets. Since C is not an empty set, there exists at least one element in C. Let's call this element c. Since A x C = B x C, it implies that for any element a in A and c in C, there exists an element b in B such that (a, c) = (b, c). By the cancellation property, we can cancel out the element c from both sides of the equation, giving us a = b. This holds for all elements in A and B, so we can conclude that A = B.

(d) False. The inverse of -4 modulo 17 is not 4. To find the inverse of -4 modulo 17, we need to find an integer x such that (-4 * x) mod 17 = 1. However, in this case, no such integer exists. If we calculate (-4 * 4) mod 17, we get (-16) mod 17 = 1, which shows that 4 is not the inverse of -4 modulo 17. In fact, the inverse of -4 modulo 17 does not exist, as there is no integer x that satisfies the equation.

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write 3,901 1/4 in scientific notation

Answers

Answer:

Answer: 3.90125×10⁻³

Step-by-step explanation:

Based on the data what is the expected probability of drawing a 6

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The probability of drawing a club from a deck of cards is 1/4

Here, we have ,

to determine the probability of drawing a club from a deck of cards:

In a standard deck of cards, we have the following parameters

Club = 13

Cards = 52

The probability of drawing a club from a deck of cards is calculated as

P = Club/Cards

This gives

P = 13/52

Simplify the fraction

P = 1/4

Hence, the probability of drawing a club from a deck of cards is 1/4

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complete question:

What is the probability of drawing a club from a deck of cards

Assume the Hiking Shoes division of the Simply Shoes Company had the following results last year (in thousands). Management's target rate of return is 20% and the weighted average cost of capital is 30%. Its effective tax rate is 30%. Sales

$13,000,000

Operating income

3,250,000

Total assets

4,000,000

Current liabilities

830,000

What is the division's capital turnover?

Answers

The division's capital turnover  for the given sales and total assets is equal to approximately 3.63.

Target rate of return of management = 20%

Weighted average cost of capital = 30%

Effective tax rate = 30%

The capital turnover ratio is calculated by dividing the division's sales by its average total assets.

Sales= $13,000,000

Total assets= $4,000,000

Capital Turnover = Sales / Average Total Assets

To calculate the average total assets,

we need to consider the beginning and ending total assets.

Beginning Total Assets = Ending Total Assets - Increase in Current Liabilities

⇒Beginning Total Assets = $4,000,000 - $830,000

                                          = $3,170,000

Average Total Assets

= (Beginning Total Assets + Ending Total Assets) / 2

⇒Average Total Assets = ($3,170,000 + $4,000,000) / 2

                                     = $3,585,000

Now we can calculate the capital turnover ratio,

Capital Turnover

= $13,000,000 / $3,585,000

≈ 3.63

Therefore, the division's capital turnover is approximately 3.63.

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Tyer brought a pencil holder in the shape of a triangular prism, as a gag gift for his friend's birthday.

(1) He fills the pencil holder with sand before he wraps it to make it feel like a heavy, expensive gift. How much sand will he need to "borrow" from his sister's sandbox to fill the pencil holder?

(2) What is the minimum amount of Saran wrap that Tyler will need to cover the pencil holder, to ensure that no sand leaks out?

Answers

Answer: 10.5 cubic inches.

Step-by-step explanation:

Volume of pencil holder = Base x Height

Base (I think it's an isosceles triangle) = [tex]\frac{b h}{2}[/tex] = [tex]\frac{3 divide2}{2}[/tex] = 3

Base x Height = 3 x 3.5

= 10.5 in³

TRUE OR FALSE. if the means of two groups are the same, then the underlying distributions of the two groups must also be the same.

Answers

False. If the means of two groups are the same, it does not necessarily mean that the underlying distributions of the two groups are the same.

The statement is false. While the means of two groups provide information about the central tendency of the data, they do not provide a complete description of the underlying distributions. Two groups can have the same mean but exhibit different distributions in terms of shape, spread, or other characteristics.

For example, consider two groups: Group A and Group B. Group A has a normal distribution centered around the mean, while Group B has a bimodal distribution with two distinct peaks. Despite having the same mean, the distributions of Group A and Group B are fundamentally different.

The mean only represents the average value and does not capture the full picture of the data. Other statistical measures such as variance, skewness, and kurtosis provide information about the shape, spread, and symmetry of the distributions, respectively. To determine if the underlying distributions of two groups are the same, additional analyses such as hypothesis testing or graphical comparisons are necessary. Therefore, having the same means does not guarantee that the underlying distributions of the two groups are the same.

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Find the first partial derivatives with respect to x, y, and z, and evaluate each at the given point.Function Pointw = 3x2y − 7xyz + 10yz2(3, 5, −4)wx(3, 5, −4) =wy(3, 5, −4) =wz(3, 5, −4) =

Answers

The value of w will decrease by approximately 235 times the small amount.

Using the power rule and product rule of differentiation, we obtain:

wx(x,y,z) = 6xy - 7yz

wy(x,y,z) = 3x^2 - 7xz + 20yz

wz(x,y,z) = -7xy + 20yz

Next, we evaluate each partial derivative at the given point (3,5,-4) by substituting x = 3, y = 5, and z = -4:

wx(3,5,-4) = 6(3)(5) - 7(5)(-4) = 210

wy(3,5,-4) = 3(3^2) - 7(3)(-4) + 20(5)(-4) = -327

wz(3,5,-4) = -7(3)(5) + 20(5)(-4) = -235

Therefore, the values of the first partial derivatives with respect to x, y, and z, evaluated at the point (3,5,-4), are wx = 210, wy = -327, and wz = -235.

These partial derivatives give us information about how the function w changes as we vary each input variable. For example, wx = 210 indicates that if we increase x by a small amount while holding y and z constant, the value of w will increase by approximately 210 times the small amount. Similarly, wy = -327 tells us that if we increase y by a small amount while holding x and z constant, the value of w will decrease by approximately 327 times the small amount. Finally, wz = -235 tells us that if we increase z by a small amount while holding x and y constant, the value of w will decrease by approximately 235 times the small amount.

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A painter has up to 16
hours to paint a living room and two bedrooms. He spends 7
hours painting the living room. Write and solve an inequality to find how much time x
he can spend on each bedroom if he splits his time equally.

Answers

The painter can spend up to 4.5 hours painting each bedroom if he wants to finish painting the living room and both bedrooms within 16 hours.

If the painter has 16 hours in total, and he already spent 7 hours painting the living room, then he has 16 - 7 = 9 hours left to paint the two bedrooms.

If he wants to split his time equally between the two bedrooms, then he can spend x hours on each bedroom. Therefore, the total time spent painting the bedrooms would be 2x.

To find the maximum amount of time he can spend on each bedroom, we need to solve the following inequality:

2x ≤ 9

Dividing both sides by 2, we get:

x ≤ 4.5

Therefore, the painter can spend up to 4.5 hours painting each bedroom if he wants to finish painting the living room and both bedrooms within 16 hours.

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for houses with the same square footage, number of bedrooms, number of bathrooms, and number of garages, a 1-year increase in the age of the house results on average in

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For houses with the same square footage, number of bedrooms, number of bathrooms, and number of garages, a 1-year increase in the age of the house can result in various effects on average. Some potential effects may include:

1. Decrease in market value: As houses age, their market value may decline due to wear and tear, outdated features, or the perception of lower quality compared to newer homes.

2. Increase in maintenance costs: Older houses may require more frequent repairs and maintenance, leading to higher ongoing expenses for homeowners.

3. Potential decrease in energy efficiency: Older houses might have outdated insulation, windows, or appliances, resulting in higher energy consumption and costs.

4. Changes in neighborhood dynamics: As houses age, the neighborhood may undergo demographic shifts or changes in property values, which can impact the overall desirability and perception of the area.

It's important to note that these effects can vary depending on various factors such as location, housing market conditions, and overall maintenance and renovations of the property.

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picture provided!! urgent!!

Kay measured herself, her shadow, and the shadow length of a nearby tree. She sketched out the picture below and wants to use it to determine the height of the tree. Calculate the height of the tree in meters. only write the number! don't round!

Answers

Answer: Well if she wanted to get the exact number she would have to multiply knowing the exact amount of shadow in the background. Your answer is used by multiplication. Do that and you get your answer.

Step-by-step explanation: So it would be- 1.60 x 4.75 x 1.25= you calculate that and get your answer its all about the meters :).

Help pleaseeeeeeeeeeeeee

Answers

Answer:

Step-by-step explanation:

A

Generally when you're solving systems of equations like this you want one variable to be by itself and have no coefficient (it's not being multiplied by anything)

In question A, the x variable is by itself but it has a coefficient of 4 (not 1)

Two taps running at the same rate can fill a tank in 45 mins. How long will it take one tap to fill the same tank?​

Answers

Answer:

90 minutes

Step-by-step explanation:

it will take twice as long therefore 90 minutes

For both negatively skewed and positively skewed distribution, the mean is always pulled to the side with the long tailTrueFalse

Answers

The statement you provided is: "For both negatively skewed and positively skewed distribution, the mean is always pulled to the side with the long tail." The answer to this statement is True.
In a negatively skewed distribution, the long tail is on the left side, indicating that there are more data points with lower values. As a result, the mean will be pulled to the left, towards the long tail.
In a positively skewed distribution, the long tail is on the right side, indicating that there are more data points with higher values. Consequently, the mean will be pulled to the right, towards the long tail.
In summary, for both negatively and positively skewed distributions, the mean is always pulled towards the side with the long tail.

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help please!!!!!!!!!!!!!

Answers

The scientific notation is [tex]4.3 x 10^{-2}.[/tex]

We have,

8.6x 10^{12} / 2x 10^{14}

Now,

x gets canceled.

So,

8.6 x 10^{12} / 2 x 10^{14}

Now.

To divide numbers in scientific notation, we divide their coefficients and subtract their exponents:

(8.6 x 10^{12}) / (2 x 10^{14})

= (8.6/2) x 10^{12-14}

= 4.3 x 10^{-2}

Therefore,

8.6 x 10^{12} / 2 x 10^{14} in scientific notation is 4.3 x 10^{-2}.

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Jacki has just completed this table using a rule for changing x into y. Which rule was she using?

Answers

Jackie use the rule y = 3x+4.

Given that there is table giving the values of x and y,

The equation of a line is linear in the variables x and y which represents the relation between the coordinates of every point (x, y) on the line. i.e., the equation of line is satisfied by all points on it.

The equation of a line can be formed with the help of the slope of the line and a point on the line.

The slope of the line is the inclination of the line with the positive x-axis and is expressed as a numeric integer, fraction, or the tangent of the angle it makes with the positive x-axis.

The point refers to a point on the with the x coordinate and the y coordinate.

Considering the two points, (0, 4) and (1, 7),

By using these points, we will find the line by which the points are passing,

So, we know that equation of a line passing through two points is given by,

y - y₁ = y₂ - y₁ / x₂ - x₁ (x - x₁)

y - 4 = 7-4 / 1-0 (x - 0)

y - 4 = 3x

y = 3x+4

Hence Jackie use the rule y = 3x+4.

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you have a data set that has many extreme low and high values. you should expect that your kurtosis value is:

Answers

The kurtosis value of the data set with many extreme low and high values is expected to be high. Outliers can significantly affect the kurtosis value of a distribution, resulting in a higher kurtosis value.

Kurtosis is a statistical measure that indicates the degree of heaviness or lightness in the tails of a probability distribution compared to the normal distribution. A high kurtosis value indicates that the distribution has more extreme values in its tails than a normal distribution.

When a data set has many extreme low and high values, it means that the data set has a lot of outliers or extreme values. Outliers can significantly affect the kurtosis value of a distribution, resulting in a higher kurtosis value.

In summary, a data set with many extreme low and high values is expected to have a higher kurtosis value than a data set with fewer outliers.

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find the ordered pair that corresponds to the given pair of parametric equations and value of t. x=second power 5, y=4 -third power; t=3

Answers

Thus, the ordered pair corresponding to x= (t^2) + 5, y= 4 - (t^3), and t=3 is (14,-23).

To find the ordered pair corresponding to the given pair of parametric equations and the value of t, we need to substitute t=3 into the equations for x and y and simplify.

x= (t^2) + 5
x= (3^2) + 5 = 14

y= 4 - (t^3)
y= 4 - (3^3) = -23

Therefore, the ordered pair that corresponds to the given pair of parametric equations and the value of t=3 is (14,-23).

Parametric equations are equations that express a set of variables as functions of one or more independent variables, called parameters. In this case, x and y are expressed as functions of the parameter t. Parametric equations are often used in physics, engineering, and other fields where there are variables that depend on time or other independent variables.

In summary, to find the ordered pair corresponding to a given pair of parametric equations and a specific value of t, we substitute t into the equations for x and y and simplify to obtain the values of x and y at that point. In this example, the ordered pair corresponding to x= (t^2) + 5, y= 4 - (t^3), and t=3 is (14,-23).

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50 POINTS PLEASE HELP SOON

The bag contains 20 marbles. There are 5 green marbles, 9 red marbles, and 6 blue marbles. What is the probability of randomly selecting a marble that is NOT red? Simplify your fraction if possible.

A. P(not red) = 9/20

B. P(not red) = 3/10

C. P(not red) = 11/20

Answers

The probability of randomly selecting a marble that is NOT red is C. P(not red) = 11/20.

There are 9 red marbles out of a total of 20 marbles. Thus, the probability of selecting a red marble is 9/20.

To find the probability of selecting a marble that is NOT red, we can subtract the probability of selecting a red marble from 1 (since the probability of selecting any marble must be 1).

P(not red) = 1 - P(red) = 1 - 9/20 = 11/20

Therefore, the probability of randomly selecting a marble that is NOT red is C. P(not red) = 11/20.

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pls help meh, been stuck on this for a long time-

Answers

The required measure of interior angles 1 and 2 are 116° and 62°.

Here,
According to the property of the triangle sum of the remote interior angle is equal to the remote interior triangle.
∠1 + 21 = 137
∠1 = 137 - 21
∠1 = 116

Similarly,
∠1 = ∠2 + 54
116 = ∠2 + 54
∠2 = 116 - 54
∠2 = 62°

Thus, the required measure of interior angles 1 and 2 are 116° and 62°.

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what is the cost of installing a fence around a rectangular shaped lot if the cost of the fence is $3.25 per linear foot and the lot is 80 ft. wide and 120 ft. deep?

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The cost of installing a fence around an 80 ft. wide and 120 ft. deep rectangular lot, with the fence priced at $3.25 per linear foot, will be $1,300.

To determine the cost of installing a fence around a rectangular lot, you need to calculate the total length of the fence required and then multiply that by the cost per linear foot. The given dimensions of the lot are 80 feet wide and 120 feet deep.
First, calculate the perimeter of the rectangular lot. The perimeter of a rectangle is given by the formula P = 2L + 2W, where L is the length (or depth) and W is the width. In this case, the perimeter is P = 2(120) + 2(80) = 240 + 160 = 400 feet.
Next, multiply the total length of the fence by the cost per linear foot, which is $3.25. So, the cost of installing the fence is 400 feet × $3.25 per linear foot = $1,300.

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find the flow of the velocity field f=5y2 9i (10xy)j along each of the following paths from (0,0) to (1,1).

Answers

The flow of the velocity field along the straight line path from (0,0) to (1,1) is 55/3.

To find the flow of the velocity field along a path from (0,0) to (1,1), we need to integrate the velocity field along that path.

Let's consider two different paths: a straight line path and a curved path.

Straight Line Path:

For the straight line path from (0,0) to (1,1), we can parameterize the path as x(t) = t and y(t) = t, where t varies from 0 to 1.

The velocity field is given as [tex]f = 5y^2 \times 9i + (10xy)j.[/tex]

To find the flow along this path, we need to compute the line integral of the velocity field along the path.

The line integral is given by:

Flow = ∫C f · dr,

where C represents the path and dr represents the differential displacement vector along the path.

Plugging in the parameterized values into the velocity field, we have:

[tex]f = 5(t^2) \times 9i + (10t\times t)j = 45t^2i + 10t^2j.[/tex]

The differential displacement vector,[tex]dr,[/tex] is given by dr = dx i + dy j.

Since dx = dt and dy = dt along the straight line path, we have dr = dt i + dt j.

Therefore, the line integral becomes:

Flow = ∫[tex](0 to 1) (45t^2 i + 10t^2 j) . (dt i + dt j)[/tex]

= ∫[tex](0 to 1) (45t^2 + 10t^2) dt[/tex]

= ∫[tex](0 to 1) (55t^2) dt[/tex]

= [tex][55(t^3)/3] (from 0 to 1)[/tex]

= 55/3.

So, the flow of the velocity field along the straight line path from (0,0) to (1,1) is 55/3.

Curved Path:

For a curved path, the specific equation of the path is not provided. Hence, we cannot determine the flow of the velocity field along the curved path without knowing its equation.

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PLEASE HELP
Rotate the given triangle 90°
counter-clockwise about the
-1
2
origin.
[2 4 3
1 2 4
[?]

Answers

-2 4 -4 3 thats the answer

Answer:

-2 4 -4 3

Step-by-step explanation:

the answer is that

find all the second partial derivatives. t = e−9r cos()

Answers

To find the second partial derivatives of t = e^(-9r)cos(θ), we first need to find the first partial derivatives:

∂t/∂r = -9e^(-9r)cos(θ)

∂t/∂θ = -e^(-9r)sin(θ)

Now, we can find the second partial derivatives:

∂²t/∂r² = ∂/∂r (-9e^(-9r)cos(θ)) = 81e^(-9r)cos(θ)

∂²t/∂θ² = ∂/∂θ (-e^(-9r)sin(θ)) = -e^(-9r)cos(θ)

∂²t/∂r∂θ = ∂/∂θ (-9e^(-9r)cos(θ)) = 9e^(-9r)sin(θ)

So the second partial derivatives are:

∂²t/∂r² = 81e^(-9r)cos(θ)

∂²t/∂θ² = -e^(-9r)cos(θ)

∂²t/∂r∂θ = 9e^(-9r)sin(θ)

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how does monetary unit sampling (mus) ensure that larger dollar components are selected for examination?

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Monetary Unit Sampling ensures larger dollar components are selected for examination by using stratification and probability theory, which improves the effectiveness of the audit and saves time and resources.

Monetary Unit Sampling (MUS) is a statistical sampling method used in auditing to estimate the number of monetary errors in a population of transactions. MUS ensures that larger dollar components are selected for examination by using probability theory and stratification techniques.

In MUS, each individual transaction is assigned a dollar value or monetary unit. The auditor then selects a sample of transactions using a random sampling method, with a higher probability of selecting larger monetary units. This is achieved by stratifying the population into different strata or layers based on their monetary value.

For example, the population may be divided into strata such as transactions under $1,000, transactions between $1,000 and $10,000, and transactions over $10,000. The auditor can then assign different sampling rates to each stratum, with a higher sampling rate for the larger stratum.

By selecting larger dollar components for examination, MUS can improve the effectiveness of the audit by focusing on transactions with a higher potential for material misstatement. This can also reduce the sample size required for the audit, saving time and resources while still providing a reasonable estimate of the monetary errors in the population.

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