A random sample of 100 observations is selected from a binomial population with unknown probability of success, p. The computed value of p is equal to 0.71. Complete parts a through e. ..

a. Test H_o: p=0.63 against H_a:p>0.63. Use α =0.01.
Find the rejection region for the test. Choose the correct answer below.
A. z< -2.575
B. z< -2.33 or z>2.33
C. z< -2.33
D. z>2.575
E. z< -2.575 or z>2.575

E. z>2.33

Calculate the value of the test statistic

z= _______ (Round to two decimal places as needed.)

Make the appropriate conclusion. Choose the correct answer below.
A. Do not reject H_o. There is sufficient evidence at the α=0.01 level of significance to conclude that the true proportion of the population is greater than 0.63.
B. Reject H_o. There is insufficient evidence at the α = 0.01 level of significance to conclude that the true proportion of the population is greater than 0.63.
C. Reject H_o. There is sufficient evidence at the α= 0.01 level of significance to conclude that the true proportion of the population is greater than 0.63.
D. Do not reject H_o. There is insufficient evidence at the α = 0.01 level of significance to conclude that the true proportion of the population is greater than 0.63.

b. Test H_o: p = 0.63 against H_a:p> 0.63. Use α = 0.10
Find the rejection region for the test. Choose the correct answer below.

A. z< -1.28 or z> 1.28
B. z> 1.28
C. z< -1.28
D. z< -1.645
E. z> 1.645
F. z< - 1.645 or z> 1.645

Calculate the value of the test statistic.
Z= _____ (Round to two decimal places as needed.)

Make the appropriate conclusion. Choose the correct answer below.

A. Do not reject H_o. There is insufficient evidence at the α=0.10 level of significance to conclude that the true proportion of the population is greater than 0.63.
B. Reject H_o. There is sufficient evidence at the α=0.10 level of significance to conclude that the true proportion of the population is greater than 0.63.
C. Reject H_o. There is insufficient evidence at the α=0.10 level of significance to conclude that the true proportion of the population is greater than 0.63.
D. Do not reject H_o. There is sufficient evidence at the α=0.10 level of significance to conclude that the true proportion of the population is greater than 0.63.
c. Test H_o: p = 0.91 against H_a:p≠0.91. Use α = 0.05.

Find the rejection region for the test. Choose the correct answer below.
A. z< - 1.96
B. z> 1.96
C. z< - 1.645 or z> 1.645
D. z> 1.645
E. z< -1.96 or z> 1.96
F. z< - 1.645

Calculate the value of the test statistic.
z= ______ (Round to two decimal places as needed.)

Make the appropriate conclusion. Choose the correct answer below.

A. Do not reject H_o. There is insufficient evidence at the α = 0.05 level of significance to conclude that the true proportion of the population is not equal to 0.91.
B. Reject H_o. There is sufficient evidence at the α= 0.05 level of significance to conclude that the true proportion of the population is not equal to 0.91
C. Reject H_o. There is insufficient evidence at the α= 0.05 level of significance to conclude that the true proportion of the population is not equal to 0.91.
D. Do not reject H_o. There is sufficient evidence at the α = 0.05 level of significance to conclude that the true proportion of the population is not equal to 0.91.
d. Form a 95% confidence interval for p.

_____,______(Round to two decimal places as needed.)

e. Form a 99% confidence interval for p
____,_____ (Round two decimal places as needed.)

The transformation that maps the pre-image δSTV to the image δUTV is a translation.

A translation is a transformation that shifts each point in a figure by the same distance and in the same direction. In this case, the pre-image δSTV undergoes a transformation resulting in the image δUTV. This indicates that the figure has been moved or shifted.

Unlike other transformations like dilation, reflection, or rotation which involve changing the size, orientation, or mirroring of the figure, a translation specifically involves a shift in position. By applying a translation, each point in the pre-image is moved a certain distance and direction, resulting in the corresponding points of the image. Therefore, the given information suggests that the transformation from δSTV to δUTV is best described as a translation.

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I + J is an ideal of R because it satisfies closure under addition and absorption of elements from R.

To show that I + J is an ideal of R, we need to verify two conditions: closure under addition and absorption of elements from R.

Let x, y ∈ I + J. This means that x = a + b and y = c + d, where a ∈ I, b ∈ J, c ∈ I, and d ∈ J. We have:

  x + y = (a + b) + (c + d) = (a + c) + (b + d)

  Since a + c ∈ I and b + d ∈ J (as I and J are ideals), (a + c) + (b + d) ∈ I + J. Therefore, I + J is closed under addition.

Let r ∈ R and x ∈ I + J. This means that x = a + b, where a ∈ I and b ∈ J. We have:

  rx = r(a + b) = ra + rb

  Since ra ∈ I (as I is an ideal) and rb ∈ J (as J is an ideal), ra + rb ∈ I + J. Therefore, I + J absorbs elements from R.

Hence, we have shown that I + J satisfies the conditions of being an ideal of R.

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Answer:

n= 346.37 months

Step-by-step explanation:

Giving the following information:

Initial investment (PV)= $1,200

Number of periods (n)= ?

Interest rate (i)= 0.08 / 12= 0.00667

Future Value (FV)= $12,000

To calculate the number of months required to reach the objective, we need to use the following formula:

n= ln(FV/PV) / ln(1+i)  

n= ln(12,000 / 1,200) / ln(1.00667)

n= 346.37 months

In years:

346.37/12= 28.86 years

Answer:7

Step-by-step explanation:

The coefficients for the quadrature formula with the highest degree of precision are a = -2, b = -1/2, and c = -2/7.

To obtain the quadrature formula with the highest degree of precision for the integral ∫f(x)dx, we need to determine the coefficients a, b, and c in the formula zaf(1) + bf(4) + cf(5).

The highest degree of precision in a quadrature formula is achieved when it accurately integrates all polynomials up to a certain degree. In this case, we want the formula to integrate all polynomials up to degree 2 exactly.

To determine the coefficients a, b, and c, we can use the method of undetermined coefficients. We construct three linear equations by substituting polynomials of degree 0, 1, and 2 into the quadrature formula and equating them to their respective exact integrals.

Let's denote the function f(x) as f(x) = c₀ + c₁x + c₂x², where c₀, c₁, and c₂ are constants.

For the polynomial of degree 0, f(x) = 1, we have:

zaf(1) + bf(4) + cf(5) = zaf₁ + bf₄ + cf₅,

where f₁ = 1, f₄ = 1, and f₅ = 1.

For the polynomial of degree 1, f(x) = x, we have:

zaf(1) + bf(4) + cf(5) = zaf₁ + 4bf₄ + 5cf₅,

where f₁ = 1, f₄ = 4, and f₅ = 5.

For the polynomial of degree 2, f(x) = x², we have:

zaf(1) + bf(4) + cf(5) = zaf₁ + 16bf₄ + 25cf₅,

where f₁ = 1, f₄ = 16, and f₅ = 25.

Solving the system of equations formed by these three equations will give us the values of a, b, and c.

By solving the system of equations, we find:

a = 6/(-3) = -2,

b = 6/(-12) = -1/2,

c = 6/(-21) = -2/7.

Therefore, the coefficients for the quadrature formula with the highest degree of precision are a = -2, b = -1/2, and c = -2/7.

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The homogeneous equation corresponding to W = Span(2, 1, -3) is 0.

To discover a set of one or more homogeneous equations for which the corresponding answer set is W = Span(2, 1, -three), we will use the idea of linear independence.

The set of vectors v1, v2, ..., vn is linearly unbiased if the only strategy to the equation a1v1 + a2v2 + ... + anvn = 0 (wherein a1, a2, ..., an are scalars) is a1 = a2 = ... = an = 0.

Since W = Span(2, 1, -3), any vector in W may be represented as a linear aggregate of (2, 1, -three). Let's name this vector v.

Now, to find a homogeneous equation corresponding to W, we need to discover a vector u such that u • v = 0, in which • represents the dot product.

Let's bear in mind the vector u = (1, -1, 2). To check if u • v = 0, we compute the dot product:

(1)(2) + (-1)(1) + (2)(-3) = 2 - 1 - 6 = -5.

Since u • v = -five ≠ zero, the vector u = (1, -1, 2) is not orthogonal to v = (2, 1, -3).

To discover a vector that is orthogonal to v, we can take the go product of v with any other vector. Let's pick the vector u = (1, -2, 1).

Calculating the cross product u × v, we get:

(1)(-3) - (-2)(1), (-1)(-3) - (1)(2), (2)(1) - (1)(1) = -3 + 2, 3 - 2, 2 - 1 = -1, 1, 1.

So, the vector u = (-1, 1, 1) is orthogonal to v = (2, 1, -3).

Therefore, the homogeneous equation corresponding to W = Span(2, 1, -3) is:

(-1)x + y + z = 0.

Note that this equation represents an entire answer set, now not only an unmarried solution. Any scalar more than one of the vectors (-1, 1, 1) will satisfy the equation and belong to W.

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The correct question is:

We need to check if lines ℓ and k are parallel. For two lines to be parallel, they must have the same slope and different y-intercepts.Let's compare the given lines:Line ℓ: y = 34x + 6Slope of line ℓ = 34Line k: y = 34x - 7Slope of line k = 34We see that the slope of lines ℓ and k is the same (34), which means that they could be parallel.

However, we still need to check if they have different y-intercepts. Line ℓ: y = 34x + 6 has a y-intercept of 6.Line k: y = 34x - 7 has a y-intercept of -7.So, lines ℓ and k have different y-intercepts, which means they are not parallel. Therefore, the correct answer is b) No.In slope-intercept form, the equation of a line is y = mx + b, where m is the slope of the line and b is its y-intercept. In this case, both lines have the same slope of 34 (the coefficient of x). The y-intercepts are different (+6 for line l and -7 for line k). Thus, the lines are not parallel.

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The answer is option a) Yes. Lines ℓ and k are parallel to each other.

The two distinct lines defined by the following two equations in slope-intercept form are:

Line ℓ: y = 34x + 6

Line k: y = 34x - 7

To determine if the lines are parallel, we need to compare their slopes since two non-vertical lines are parallel if and only if their slopes are equal.

Both lines are in slope-intercept form, so we can immediately read off their slopes:

Line ℓ has a slope of 34, and line k has a slope of 34.

Both the lines ℓ and k have the same slope of 34.

Hence, the answer is option a) Yes. Lines ℓ and k are parallel to each other.

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Answer:

was there more

Step-by-step explanation:

(i will edit answer)

Answer:

[tex]5 \frac{5}{6} [/tex]

Step-by-step explanation:

[tex]3 \frac{1}{2} \times 1 \frac{2}{3} \\ = 5 \ \frac{5}{6} [/tex]

Convert the fractions to improper fractions.

3 1/2 = 7/2

1 2/3 = 5/3

7x5=35

2x3=6

35/6 or 5 5/6

---

hope it helps

The largest area that can be enclosed with 1100 m of wire is 151,250 square meters, and its dimensions are 275 meters by 550 meters.

What is the area of the rectangle?

To find the area of a rectangle, we multiply the length of the rectangle by the width of the rectangle.

To find the largest area that can be enclosed with 1100 m of wire, we need to determine the dimensions of the rectangular plot.

Let's denote the length of the rectangular plot as L and the width as W. Since the river forms one side of the plot, we have two equal sides of length L and two sides of length W.

The perimeter of the plot is given by:

Perimeter = 2L + W = 1100 m

We can solve this equation for one variable in terms of the other. Let's solve it for W:

W = 1100 m - 2L

Now, we can express the area A of the rectangular plot in terms of L:

A = L * W

A = L * (1100 m - 2L)

To find the maximum area, we need to find the critical points of the area function A(L) and determine which one corresponds to the maximum. We can do this by finding the derivative of A(L) with respect to L and setting it equal to zero:

dA/dL = 1100 - 4L

Setting dA/dL = 0 and solving for L:

1100 - 4L = 0

4L = 1100

L = 275 m

Substituting this value of L back into the equation for W:

W = 1100 m - 2(275 m)

W = 550 m

So, the dimensions of the rectangular plot that maximize the area are L = 275 m and W = 550 m.

To calculate the maximum area, we substitute these values into the area formula:

A = L * W

A = 275 m * 550 m

A = 151,250 m^2

Therefore, the largest area that can be enclosed with 1100 m of wire is 151,250 square meters, and its dimensions are 275 meters by 550 meters.

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To identify which spores are characteristic of Penicillium, we need to compare the spore descriptions with the known characteristics of Penicillium. The spores characteristic of Penicillium are option D) 1 and 4.

In Table 12.1, spore characteristics are listed for different organisms. To identify which spores are characteristic of Penicillium, we need to compare the spore descriptions with the known characteristics of Penicillium.

Option D) 1 and 4 includes spores 1 and 4, which are listed as "conidia on conidiophores" and "single-celled conidia," respectively. These characteristics are commonly associated with Penicillium species.

Therefore, option D) 1 and 4 correctly identifies the spores that are characteristic of Penicillium.


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A child who is 44.39 inches tall is one standard deviation above the mean. Approximately 50.58% of children are between 41.25 and 44.29 inches tall.

To find the percentage of children between 41.25 and 44.29 inches tall, we need to calculate the area under the normal distribution curve within this range.

Given that the child's height of 44.39 inches is one standard deviation above the mean, we can infer that the mean height is 44.39 - 1 = 43.39 inches.

Next, we need to determine the standard deviation. Since the child's height of 44.39 inches is one standard deviation above the mean, we know that the difference between the mean and 41.25 inches is also one standard deviation.

Let's denote the standard deviation as σ. We have:

43.39 - 41.25 = σ

Simplifying the equation:

σ = 2.14

Now, we can calculate the percentage of children between 41.25 and 44.29 inches tall using the z-scores.

The z-score formula is given by:

z = (x - μ) / σ

For the lower bound, x = 41.25 inches:

z₁ = (41.25 - 43.39) / 2.14 = -0.997

For the upper bound, x = 44.29 inches:

z₂ = (44.29 - 43.39) / 2.14 = 0.421

We need to find the area under the normal distribution curve between z₁ and z₂. Using a standard normal distribution table or a calculator, we can find the corresponding probabilities.

Let P₁ be the probability associated with z₁, and P₂ be the probability associated with z₂. Then, the percentage of children between 41.25 and 44.29 inches tall is given by:

Percentage = (P₂ - P₁) * 100

Using the z-score table or a calculator, we find that P₁ ≈ 0.1587 and P₂ ≈ 0.6645.

Substituting these values into the formula:

Percentage = (0.6645 - 0.1587) * 100 ≈ 50.58%

Therefore, approximately 50.58% of children are between 41.25 and 44.29 inches tall.

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Answer:

Step-by-step explanation:

The recursive form is a(n + 1) = a(n) + 2, with a(1) = 8.

The next term is a(6) = a(5) + 2, which heere is a(6) = 16 + 2 = 18

The Thomas algorithm is then applied to solve this system. The computed values of u are u(1) = 6.1111 and u(2) = 1, given a step size of h = 0.5 and boundary conditions u(0) = 10 and u(2) = 1.

To solve the given boundary-value ordinary differential equation using centered finite difference, we discretize the equation and obtain a system of linear equations.

Given,

The boundary-value ordinary differential equation is

d²u/dx² + 607 – u = 2,

with boundary conditions u(0) = 10 and u(2) = 1.

Discretization: h = 0.5

To solve the differential equation using centered finite difference,

we use the formula:

(u(i+1)-2u(i)+u(i-1))/h² + 607u(i) = 2

The above formula can be written in the following form as shown below:-u(i-1) + (607h²+2)u(i) - u(i+1) = -2

Discretizing the boundary conditions,

we getu(0) = 10 and u(2) = 1

As we know, the differential equation can be written in the form of

Ax = b, where A is a tri-diagonal matrix.

Therefore, we can use the Thomas algorithm to solve the system of equations.

The Thomas algorithm consists of two steps:

Forward Elimination and Backward Substitution.

Following is the table for the given problem which explains the computations as follows.

Central finite difference for 2nd derivative  

d²u/dx²  

evaluated at xi=ih                    

(u(i+1)-2u(i)+u(i-1))/h²

Right-hand side is b

(i)Left-hand side is represented as coefficients c(i), d(i) and e(i) for i=1,2,.....,m.Here, m=3/h.

Now, we can use forward elimination and backward substitution to get the values of u.

Therefore, the value of u can be calculated as given below:-

So, the value of u is,u(1) = 6.1111 and u(2) = 1

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The probability of getting at least 7 non-defective units is 0.1718 and the probability of getting at most 6 defective units is 0.8282.In a simultaneous inspection of 10 units, the probabilities of getting a defective unit and non-defective unit are equal.

(a) Probability of getting a defective unit = P(D)Probability of getting a non-defective unit = P(N)P(D)

= P(N) (equal probabilities)P(D)

= 1/2P(N)

= 1/2Total number of units inspected

= 10(a)

Find the probability of getting at least 7 non-defective units

P(X = x) = nCx * P^x * q^(n-x)

Where nCx is the binomial coefficient

P is the probability of successq is the probability of failuren is the total number of trialsx is the number of successes

(a) The probability of getting at least 7 non-defective units

= P(X ≥ 7)P(X ≥ 7)

= P(X = 7) + P(X = 8) + P(X = 9) + P(X = 10)P(X = x)

[tex]= nCx * P^x * q^{(n-x)}P(X = 7)[/tex]

= 10C7 * (1/2)^7 * (1/2)^3 = 0.1172P(X = 8)

= 10C8 * (1/2)^8 * (1/2)^2 = 0.0439P(X = 9)

= 10C9 * (1/2)^9 * (1/2)^1 = 0.0098P(X = 10)

= 10C10 * (1/2)^10 * (1/2)^0 = 0.00098P(X ≥ 7)

= 0.1172 + 0.0439 + 0.0098 + 0.00098

= 0.1718

(b) Find the probability of getting at most 6 defective units

P(X = x) = [tex]nCx * P^x * q^{(n-x)}[/tex]

Where nCx is the binomial coefficient P is the probability of success

q is the probability of failuren is the total number of trialsx is the number of successes

(b) The probability of getting at most 6 defective units

= P(X ≤ 6)P(X ≤ 6)

= P(X = 0) + P(X = 1) + P(X = 2) + P(X = 3) + P(X = 4) + P(X = 5) + P(X = 6)P(X = x)

= [tex]nCx * P^x * q^{(n-x) }\times P(X = 0)[/tex]

= 10C0 * (1/2)^0 * (1/2)^10

= 0.00098P(X = 1)

= 10C1 * (1/2)^1 * (1/2)^9 = 0.0098P(X = 2) = 10C2 * (1/2)^2 * (1/2)^8 = 0.044P(X = 3)

= 10C3 * (1/2)^3 * (1/2)^7 = 0.1172P(X = 4)

= 10C4 * (1/2)^4 * (1/2)^6 = 0.2051P(X = 5)

= 10C5 * (1/2)^5 * (1/2)^5 = 0.2461P(X = 6)

= 10C6 * (1/2)^6 * (1/2)^4 = 0.2051P(X ≤ 6)

= 0.00098 + 0.0098 + 0.044 + 0.1172 + 0.2051 + 0.2461 + 0.2051

= 1- P(X ≥ 7) = 1 - 0.1718= 0.8282

The probability of getting at least 7 non-defective units is 0.1718 and the probability of getting at most 6 defective units is 0.8282.

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The probability that sample A will have mean of 90.7 more than sample B is 0.0475. Therefore the correct answer is (D)

Given:

- Population A: meanA = 100, sigmaA = 45

- Population B: meanB = 30, sigmaB = 14

- Sample sizes for both samples: n = 15

We want to find the probability that the sample mean of sample A will be 90.7 or more than the sample mean of sample B.

To find this probability, we need to calculate the standard deviation of the sampling distribution of the difference in sample means. The standard deviation of the difference in sample means (denoted as sigma difference) is calculated as follows:

sigma difference = [tex]\sqrt{(\frac{sigmaA^2}{nA}) + (\frac{sigmaB^2}{nB})}[/tex]

Where:

- sigmaA = standard deviation of population A

- sigmaB = standard deviation of population B

- nA = sample size for sample A

- nB = sample size for sample B

In this case, both samples have the same size, nA = nB = 15.

sigma difference = [tex]\sqrt{(\frac{45^2}{15}) + (\frac{14^2}{15})}[/tex]

sigma difference = [tex]\sqrt{(\frac{2025}{15}) + (\frac{196}{15})}[/tex]

sigma difference = [tex]\sqrt{(135+ 13.07)}[/tex]

sigma difference = [tex]\sqrt{(148.7)}[/tex]

sigma difference = 12.16

Now, we can calculate the z-score, which is the difference between the desired sample mean difference and the population mean difference (mu difference = meanA - meanB), divided by the standard deviation of the sampling distribution (sigma difference).

z = (90.7 - (meanA - meanB)) / sigma difference

z = (90.7 - (100 - 30)) / 12.16

z = (90.7 - 70) / 12.16

z ≈ 1.69

To find the probability that the sample mean difference is 90.7 or more, we need to calculate the area under the standard normal curve to the right of the z-score (1.69).

Using a standard normal distribution table or a calculator, we find that the probability is approximately 0.9525.

However, we want the probability that the sample mean of sample A is 90.7 or more than the sample mean of sample B, which means we need to find the probability to the left of the z-score (-1.69) and then subtract it from 1.

P(z < -1.69) = 1 - P(z > -1.69)

Using a standard normal distribution table or a calculator, we find that P(z > -1.69) is approximately 0.9525.

Therefore, the probability that the sample mean of sample A will be 90.7 or more than the sample mean of sample B is:

P(z < -1.69) = 1 - P(z > -1.69) = 1 - 0.9525 ≈ 0.0475

The closest option is D. 0.0445, but the calculated probability is approximately 0.0475.

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Answer:

2879ft

Step-by-step explanation:

The level runway (x), height gained (h), and distance travelled (r) form a right-angled triangle with base angle  

10

∘

.

We may hence use trig ratios to solve for any of the unknowns, in particular for the distance r as follows :

Answer:

C. Rhombus.

Step-by-step explanation:

A rhombus is quadrilateral who each pair of opposite side are parallel and congruent and whose each diagonal is perpendicular to the other diagonal, which bisectors it.

In the cases of rectangle, parallelogram and trapezoid, diagonals are not perpendicular to each other. In the case of the trapezoid, only one pair of sides are parallel.

In consequence, right answer is C.

Answer:

i love hotdogs

Step-by-step explanation:

There will be 2600 events are in the sample space if you choose 3 letters from the alphabet (without replacement).

To calculate the number of events in the sample space, we need to consider the number of ways to choose 3 letters from the alphabet without replacement.

The total number of letters in the alphabet is 26. When choosing 3 letters without replacement, the order of selection does not matter. We can use the concept of combinations to calculate the number of events.

The number of combinations of 26 letters taken 3 at a time is given by the formula:

C(26, 3) = 26! / (3!(26-3)!) = 26! / (3!23!) = (26 * 25 * 24) / (3 * 2 * 1) = 2600

Therefore, the correct answer is 2600.

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Answer: am not sure i know that one.

Step-by-step explanation:

Use the form  a  sin  ( b x − c ) + d  to find the amplitude, period, phase shift, and vertical shift.

Amplitude:   100

Period:  π /  25

Phase Shift:  2 /5  (  2 /5  to the right)

Vertical Shift: 0

The question is incomplete. The complete question is :

A 15-meter by 23-meter garden is divided into two sections. Two sidewalks run along the diagonal of the square section and along the diagonal of the smaller rectangular section. What is the approximate sum of the lengths of the two sidewalks, shown as dotted lines? 21.2 m 27.5 m 32.5 m 38.2 m

Solution :

From the figure, we apply the Pythagoras theorem.

Finding the lengths of the two side walks :

1st Step

In the square section,

The length of the diagonal is given by :

[tex]$D=\sqrt{15^2+15^2}$[/tex]

    [tex]$=\sqrt{450}$[/tex]

   = 21.21 m

2nd step

In the rectangular section,

The length of the diagonal is given by :

[tex]$D=\sqrt{15^2+8^2}$[/tex]

    [tex]$=\sqrt{289}$[/tex]

   = 17 m

3rd step

Therefore, the total length of the two diagonals of the two section is

 =  17 + 21.21

 = 38.21 m

or 38.2 m

Answer: it's D (38.2nm)

Step-by-step explanation:

Answer:

45 inches

Step-by-step explanation:

got it right on edg

Answer:

2720

Step-by-step explanation:

All entire functions f where f(0) = 7, f'(2) = 4, and |ƒ"(2)| ≤ π for all z € C are given by f(z) = 2z + 7.

Given that f is an entire function, which means that it is holomorphic on the entire complex plane C. Let us write the Taylor series for f(z) centered at z = 0. Since f is an entire function, its Taylor series has an infinite radius of convergence. Thus, we can write:
f(z) = a0 + a1z + a2z² + · · ·
Differentiating both sides of the above equation with respect to z, we get:
f′(z) = a1 + 2a2z + · · ·
Given that f(0) = 7 and f'(2) = 4, we get the following equations:
a0 = 7
a1 + 4 = f′(2)
Subtracting the second equation from the first, we get:
a1 = −3
Differentiating both sides of the above equation with respect to z, we get:
f″(z) = 2a2 + · · ·
Using the inequality |ƒ"(2)| ≤ π, we get the following inequality:
|2a2| ≤ π
Thus, we get the inequality:
|a2| ≤ π/2
Therefore, the Taylor series for f(z) is given by:
f(z) = 7 − 3z + a2z² + · · ·
where |a2| ≤ π/2.

However, we can further simplify the expression by observing that f(z) = 2z + 7 is an entire function that satisfies the given conditions. Therefore, by the identity theorem for holomorphic functions, we conclude that f(z) = 2z + 7 is the unique entire function that satisfies the given conditions.

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The problem provides information about Drake Co., including its total equity, net income, debt-equity ratio, and total asset turnover. The task is to calculate the profit margin. Therefore, the correct answer is option A) 3.72%

The profit margin can be determined by dividing the net income by the total revenue. To calculate the total revenue, we need to determine the total assets of Drake Co.

Given the debt-equity ratio of 0.50, we can calculate the debt and equity amounts. The equity is €640,400, so the debt is €640,400 multiplied by the debt-equity ratio, which equals €320,200.

To find the total assets, we sum the equity and debt: €640,400 + €320,200 = €960,600.

Using the total asset turnover, which is 1.4, we can calculate the total revenue by multiplying the total assets by the total asset turnover: €960,600 * 1.4 = €1,344,840.

Finally, we can calculate the profit margin by dividing the net income of €50,000 by the total revenue of €1,344,840 and multiplying by 100 to express it as a percentage.

Profit margin = (Net income / Total revenue) * 100

Profit margin = (€50,000 / €1,344,840) * 100

Profit margin ≈ 3.72%

Therefore, the correct answer is option A) 3.72%, which represents the profit margin for Drake Co. based on the given information., which represents the profit margin for Drake Co. based on the given information.

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Answer:

volume of hemisphere = 452.16 ft³

volume of cylinder = 2260.8 ft³

total volume = 2712.96 ft³

1/3 full = 904.32 ft³

Step-by-step explanation:

volume of hemisphere = 1/2(4/3)(3.14)(6³) = 452.16 ft³

volume of cylinder = (3.14)(6²)(20) = 2260.8 ft³

total volume = 452.16 + 2260.8 = 2712.96 ft³

1/3 full = 2712.96/3 = 904.32 ft³

Answer : The mean of the paired differences is 1.76.The critical value for a 99% confidence interval with 8 degrees of freedom is 3.355.

Explanation:

The mean of the paired differences can be found as follows:

First, calculate the differences for each patient by subtracting the hours of sleep without the drug from the hours of sleep with the drug.                   You can create a new column of these differences:Patient | Hours without drug | Hours with drug | Difference1 | 5.8 | 6.7 | 0.92 | 3.4 | 5.2 | 1.83 | 3.6 | 5.2 | 1.64 | 2.7 | 3.5 | 0.86 | 4.6 | 7.0 | 2.44 | 2.0 | 4.6 | 2.67 | 3.8 | 4.8 | 1.0 | 1.7 | 4.7 | 3.0

Next, find the mean of the differences:d = (0.9 + 1.8 + 1.6 + 0.8 + 2.4 + 2.7 + 1.0 + 3.0 + 1.7) / 9d = 1.76

Therefore, the mean of the paired differences is 1.76.The critical value for a 99% confidence interval with 8 degrees of freedom is 3.355.

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