(2, 1) and (3,-10)
Slope =

Wait just ignore this.

Step-by-step explanation:

CI = p(r/100 + 1)^t - p

136.85 = 320(r/100 +1)^4 - 320

320(r/100 + 1)^4 = 456.85

(r/100 + 1)^4 = 456.85/320 = 1.42765625

(r/100+1) = 4th root of 1.42765625 = 1. 093089979

R/100 = 0.93089979

R = 93.0 %

Answer: 10º

Step-by-step explanation:

You add 92 with 78, which will give you 170. Then, you subtract 180 with 170 which gives you 10º

Renting 0 trucks the Marginal Revenue (MR) = Not applicable, and Average Revenue (AR) = Not applicable. Renting 1 truck the Marginal Revenue (MR) = $P (since it's the additional revenue gained from renting 1 truck), Average Revenue (AR) = Total Revenue / Quantity = P / 1 = $P.

Renting 2 trucks Marginal Revenue (MR) = ($2P - $P) = $P (since it's the additional revenue gained from renting the second truck), Average Revenue (AR) = Total Revenue / Quantity = 2P / 2 = $P. Renting 3 trucks Marginal Revenue (MR) = ($3P - $2P) = $P (since it's the additional revenue gained from renting the third truck), Average Revenue (AR) = Total Revenue / Quantity = 3P / 3 = $P.

To help you with your question, we need to know the rental price per truck and the costs associated with renting these trucks. Since this information is not provided, I will assume a rental price of P dollars per truck. Based on this assumption, we can calculate total, marginal, and average revenue for Sendit when renting 0, 1, 2, or 3 trucks during the move-in week.

1. Renting 0 trucks:
Total Revenue (TR) = 0 * P = $0
Marginal Revenue (MR) = Not applicable
Average Revenue (AR) = Not applicable

2. Renting 1 truck:
Total Revenue (TR) = 1 * P = $P
Marginal Revenue (MR) = $P (since it's the additional revenue gained from renting 1 truck)
Average Revenue (AR) = Total Revenue / Quantity = P / 1 = $P

3. Renting 2 trucks:
Total Revenue (TR) = 2 * P = $2P
Marginal Revenue (MR) = ($2P - $P) = $P (since it's the additional revenue gained from renting the second truck)
Average Revenue (AR) = Total Revenue / Quantity = 2P / 2 = $P

4. Renting 3 trucks:
Total Revenue (TR) = 3 * P = $3P
Marginal Revenue (MR) = ($3P - $2P) = $P (since it's the additional revenue gained from renting the third truck)
Average Revenue (AR) = Total Revenue / Quantity = 3P / 3 = $P

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Answer:undefined

Step-by-step explanation:

straight up and down lines are undefined

In the first scenario, the researcher is interested in studying the effects of the environment on encoding and retrieving. To do this, they select a sample of college students and ask them to memorize a list of eclectic vocabulary words in a vibrant orange room.

In the second scenario, the professor is interested in determining if psychology students study more than the average college student. To test this hypothesis, the professor records the weekly study rate of a sample of 20 psychology students and compares it with the University's data on the average number of hours each week a typical college student studies. By comparing these two sets of data, the professor can determine if psychology students do indeed study more than the average college student. This research design allows the professor to test their hypothesis and draw conclusions about the study habits of psychology students compared to other college students.
A researcher is interested in examining the effects of the environment on encoding and retrieving information. To do this, they select a sample of college students and instruct them to memorize a list of eclectic vocabulary words in a vibrant orange room. This process is known as encoding, where the students are transforming the information into a form that can be stored in their memory.

After the encoding phase, the researcher divides the sample into two groups: one group remains in the orange room, while the other half is taken to a drab beige room. The students are then tested on their ability to recall the studied words, which is the process of retrieving information from memory.

In a separate study, a professor believes that psychology students study more than the average college student due to their understanding of the benefits of distributed practice. To test this hypothesis, the professor collects data by recording the weekly study rate of a sample of 20 psychology students. This data is then compared to the university's data on the average number of hours each week that a typical college student studies. By comparing these two sets of data, the professor can determine if psychology students indeed study more than the average college student.

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For the first question, we need to assign truth values to q, r, and s such that the pair of statements are not equivalent. For (a) sv(sq) and svq, we can assign q = True, r = False, and s = False. This makes sv(sq) True and svq False, thus showing that the two statements are not equivalent. For (b) (s19)►r and (-84-9)vr, we can assign q = False, r = True, and s = False. This makes (s19)►r False and (-84-9)vr True, thus showing that the two statements are not equivalent.

For the second question, we can construct the compound proposition as follows: (a∧b)∨(a∧c)∨(a∧d)∨(b∧c)∨(b∧d)∨(c∧d). This proposition is true precisely when at least two of the variables a, b, c, and d are true. We can see that this is the case because for the proposition to be true, at least two of the terms in the disjunction need to be true, each of which represents the case where at least two variables are true. For example, (a∧b) represents the case where both a and b are true, and (a∧c) represents the case where both a and c are true, and so on. Therefore, the given compound proposition satisfies the condition of being true precisely when at least two of the variables are true.

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The steps that Scott would have to follow in the long division problem include divisions and additions and would result in 5. 793 .

Follow these steps to solve the long division problem with 25.16 as divisor and 145.75 as dividend:

Next, perform the long division operation solely utilizing whole numbers:

Since there are no further digits to perform computations on within the divisor, we can express the remainder as a fraction over the divisor--utilizing notation where the remaining total is represented as 1, 995 / 2, 516.

Add the decimal to the quotient :

= 5 + 0. 793

= 5. 793

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The proportion of individuals with the common attribute in the first sample is 0.525, while in the second sample, it is 0.728.

We have,
To analyze these samples, we can calculate the proportion of individuals with a common attribute in each sample.

Step 1: Calculate the proportion for the first sample
Divide the number of people with the common attribute (21) by the total number of people in the sample (40).
Proportion 1 = 21/40 = 0.525

Step 2: Calculate the proportion for the second sample
Divide the number of people with the common attribute (1528) by the total number of people in the sample (2100).
Proportion 2 = 1528/2100 = 0.728

Thus,

The proportion of individuals with the common attribute in the first sample is 0.525, while in the second sample, it is 0.728.

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The height, which comes out to be approximately 1.0 m.

To calculate the angle at which the mountain road is inclined to the horizontal, we can use the tangent function from trigonometry. The tangent of an angle in a right triangle is the ratio of the opposite side length to the adjacent side length.

1. Set up a right triangle where the vertical drop (5.2 m) represents the opposite side and the horizontal distance (22.5 m) represents the adjacent side.
2. Use the tangent function to find the angle: tan(angle) = opposite / adjacent.
3. Plug in the values: tan(angle) = 5.2 / 22.5.
4. Solve for the angle by taking the inverse tangent (arctan or tan^(-1)): angle = arctan(5.2 / 22.5).
5. Calculate the angle, which comes out to be approximately 13°.

Now, let's address the ramp scenario.

To find the height John is above the ground after walking up the 8.5 m ramp inclined at 7° to the horizontal, we can use the sine function.

1. Set up a right triangle where the unknown height represents the opposite side and the ramp length (8.5 m) represents the hypotenuse.
2. Use the sine function to find the height: sin(angle) = opposite / hypotenuse.
3. Plug in the values: sin(7°) = height / 8.5.
4. Solve for the height: height = 8.5 * sin(7°).
5. Calculate the height, which comes out to be approximately 1.0 m.

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The images of the coordinates of the quadrilateral are A'(x, y) = (0, 0), B'(x, y) = (2, - 5), C'(x, y) = (- 5, - 5) and D'(x, y) = (- 3, 0). (Correct choice: B)

In this problem we have the coordinates of the four ends of a quadrilateral, whose images must be found by rotation formula:

P'(x, y) = (x · cos θ - y · sin θ, x · sin θ + y · cos θ)

Where:

If we know that A(x, y) = (0, 0), B(x, y) = (5, 2), C(x, y) = (5, - 5), D(x, y) = (0, - 3) and θ = 270°, then the coordinates of the images are, respectively:

A'(x, y) = (0 · cos 270° - 0 · sin 270°, 0 · sin 270° + 0 · cos 270°)

A'(x, y) = (0, 0)

B'(x, y) = (5 · cos 270° - 2 · sin 270°, 5 · sin 270° + 2 · cos 270°)

B'(x, y) = (2, - 5)

C'(x, y) = (5 · cos 270° + 5 · sin 270°, 5 · sin 270° - 5 · cos 270°)

C'(x, y) = (- 5, - 5)

D'(x, y) = (0 · cos 270° + 3 · sin 270°, 0 · sin 270° - 3 · cos 270°)

D'(x, y) = (- 3, 0)

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The probability that a randomly chosen internet user is a college graduate is about 0.61, and the probability that a California adult is an internet user, given that he or she is a college graduate, is about 0.76.

Let A be the event that a California adult is a college graduate, and B be the event that a California adult is a regular internet user.

a. We want to find P(A|B), the probability that a randomly chosen internet user is a college graduate. We can use Bayes' theorem:

P(A|B) = P(B|A) * P(A) / P(B)

where P(B|A) is the probability that an college graduate is an internet user, which is given by P(B|A) = P(A and B) / P(A) = 0.19 / 0.25 = 0.76.

P(B) is the probability of being an internet user, which is given by:

P(B) = P(B and A) + P(B and not A) = 0.19 + 0.12 = 0.31

where P(B and not A) is the probability of being an internet user but not a college graduate, which is equal to P(B) - P(A and B) = 0.31 - 0.19 = 0.12.

Therefore, we have:

P(A|B) = 0.76 * 0.25 / 0.31 ≈ 0.61

b. We want to find P(B|A), the probability that a California adult is an internet user, given that he or she is a college graduate. Again, we can use Bayes' theorem:

P(B|A) = P(A|B) * P(B) / P(A)

where P(A) is the probability of being a college graduate, which is given by P(A) = 0.25.

We already know P(A|B) from part (a), and P(B) from the previous calculation.

Therefore, we have:

P(B|A) = 0.61 * 0.31 / 0.25 ≈ 0.76

So the probability that a randomly chosen internet user is a college graduate is about 0.61, and the probability that a California adult is an internet user, given that he or she is a college graduate, is about 0.76.

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To show as much work as possible and simplify the expression 3(5-7), we first need to simplify the expression inside the parentheses. After simplification, we get the answer as -6.

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The temperature of the object at time t = 70 is approximately 93.26 degrees.

To solve the problem, we can use the solution to the differential equation given by equation 2.15:

u(t) = [tex]Ce^[/tex](-kt) + A,

where C is a constant that we need to determine from the initial condition u(0) = 120. Substituting t = 0 and u(0) = 120 into the equation, we get:

120 = Ce^(-k*0) + A

120 = C + A

Next, we need to determine the value of C using the information that at t = 50, the temperature of the object is 100 degrees:

100 = Ce^(-k*50) + 90

10 = Ce^(-2.5)

Solving for C, we get:

C = 10/e^(-2.5)

C ≈ 14.868

Now we can use the value of C and equation 2.15 to find the temperature of the object at t = 70:

u(70) = 14.868e^(-0.05*70) + 90

u(70) ≈ 93.26 degrees

Therefore, the temperature of the object at time t = 70 is approximately 93.26 degrees.

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Every neighborhood of A contains a point of B and every neighborhood of B contains a point of A, which implies that A=B.

To show that there exists a sequence of rational numbers converging to any real number x, we can use the fact that the rational numbers are dense in the real numbers. This means that between any two real numbers, there exists a rational number.

So, let x be any real number. We can construct a sequence of rational numbers {q_n} such that q_n is the rational number between x-1/n and x+1/n. In other words,

q_n = a/b, where a and b are integers such that x-1/n < a/b < x+1/n and b > n

Then, it can be shown that as n approaches infinity, q_n converges to x. Therefore, there exists a sequence of rational numbers converging to any real number x.

To prove that A=B, we need to show that every neighborhood of A contains a point of B and every neighborhood of B contains a point of A.

First, let's consider any neighborhood of A. Since {a_n} converges to A, we know that there exists some positive integer N such that for all n > N, |a_n - A| < ε/2, where ε is the radius of the neighborhood.

Now, since B is an accumulation point of {a_n : n ∈ J}, we know that there exists some integer j ∈ J such that |a_j - B| < ε/2.

Thus, we have:

|A - B| ≤ |A - a_j| + |a_j - B| < ε/2 + ε/2 = ε

This shows that B is also in the neighborhood of A.

Next, let's consider any neighborhood of B. Since B is an accumulation point of {a_n : n ∈ J}, we know that there exists some positive integer M such that there are infinitely many n ∈ J satisfying |a_n - B| < ε/2.

Now, let n_1, n_2, n_3, ... be a subsequence of {a_n} such that |a_ni - B| < ε/2 for all i ≥ 1.

Since {a_n} converges to A, we know that there exists some positive integer N such that for all n > N, |a_n - A| < ε/2.

Let N' be the maximum of N and n_1, so that for all n > N', we have:

|a_n - A| < ε/2 and |a_n - B| < ε/2

Then, we have:

|A - B| ≤ |A - a_n| + |a_n - B| < ε/2 + ε/2 = ε

This shows that A is also in the neighborhood of B.

Therefore, we have shown that every neighborhood of A contains a point of B and every neighborhood of B contains a point of A, which implies that A=B.

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Answer: 5

Step-by-step explanation:

Answer:17

Step-by-step explanation:

The median of this data set is 17, since if you cross one # off of both sides, you will eventually get to the middle fo the data set, pointing to 17.

The 90% confidence interval for the population proportion of females is (0.261, 0.375). Answer: d. 16 to 31.

To compute a 90% confidence interval for the population proportion of females using the Golfer Data, you can use the following formula:

CI = p ± z*√(P(1-P)/n)

where P is the sample proportion, z is the z-score associated with the desired confidence level (in this case, 1.645 for 90% confidence), and n is the sample size.

From the Golfer Data, we can see that there are 84 females out of a total of 264 golfers:

n = 264

P = 84/264 = 0.318

Plugging these values into the formula, we get:

CI = 0.318 ± 1.645*√(0.318(1-0.318)/264)

CI = 0.318 ± 0.057

CI = (0.261, 0.375)

Therefore, the 90% confidence interval for the population proportion of females is (0.261, 0.375). Answer: d. 16 to 31.

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Step-by-step explanation:

Base area is 6 in x 4 in = 24 in^2

Now if you multiply by the height  you will get the VOLUME in units of   in^3

Using the stars and bars formula, the number of solution sets for a+b+c+d+e = 18 is 7315, which is obtained by arranging 18 stars and 4 bars in a line, giving a total of 22 objects, and choosing 4 of them to be the bars.

This problem can be solved using the "stars and bars" combinatorial technique. We can think of 18 stars representing the total sum, and 4 bars dividing them into 5 bins.

There are a total of 22 objects (18 stars and 4 bars), and we need to choose the positions of the 4 bars out of the 22 objects, which can be done in (22 choose 4) ways.

Therefore, there are (22 choose 4) = 7315 solution sets of positive integers a, b, c, d, and e that satisfy a+b+c+d+e = 18.

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The answer is -90.

Given G(s) = w2n/s^2+w2n

To find the asymptotically minimum value of phase in the Bode plot, we can use the formula for the phase of a transfer function in the Laplace domain:

Φ(w) = -atan(w/w2n)

where atan is the arctangent function.

To find the minimum value of Φ(w), we need to find the value of w that maximizes the term inside the arctangent function. Taking the derivative of the term inside the arctangent with respect to w, we get:

d/dw (w/w2n) = 1/w2n

Setting this derivative equal to zero, we get:

1/w2n = 0

which has no real solution. Therefore, there is no frequency that maximizes the term inside the arctangent function, and the minimum value of Φ(w) in the Bode plot is -90 degrees, which occurs at high frequencies as w → infinity.

Thus, the answer is -90.

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By employing this comprehensive approach, it is possible to address the Fentanyl epidemic and work towards reducing its devastating impact on individuals and communities

The Fentanyl epidemic refers to the widespread misuse and abuse of Fentanyl, a powerful synthetic opioid painkiller. This opioid is 50 to 100 times more potent than morphine, which makes it highly addictive and prone to overdoses. The epidemic has been exacerbated by the increased availability of illicitly manufactured Fentanyl, leading to a significant increase in overdose deaths and addiction rates.

To end the Fentanyl epidemic, I would suggest the following multi-pronged strategy:

1. Education and awareness: Increase public awareness of the dangers of Fentanyl and its addictive potential through targeted educational campaigns and outreach programs.

2. Monitoring and regulation: Strengthen regulations around prescription and distribution of Fentanyl to reduce over-prescribing and diversion to the illicit market.

3. Access to treatment: Expand access to evidence-based addiction treatment options, including medication-assisted treatment and counseling, to help those struggling with Fentanyl addiction.

4. Law enforcement and interdiction: Improve coordination between law enforcement agencies to better detect and disrupt the supply of illicit Fentanyl and related substances.

5. Harm reduction: Implement harm reduction strategies, such as supervised injection facilities and distribution of naloxone, a medication that can reverse the effects of an opioid overdose, to save lives and reduce the risk of transmission of infectious diseases.

By employing this comprehensive approach, it is possible to address the Fentanyl epidemic and work towards reducing its devastating impact on individuals and communities.

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Answer:

The answer to your problem is, B. 20

Step-by-step explanation:

Well by looking at the graph we can tell that it is not labeled so we will go to our estimate which is on the left side

2 + 3 + 4 + 5 + 6 = 20

Which we can look at our options and see we have a 20.

Thus the answer to your problem is, B. 20

For a rectangular prism with a length, width, and height of [tex] \frac{3}{8}[/tex] cm, [tex] \frac{5}{8}[/tex] cm and [tex] \frac{7}{8}[/tex] centimetre respectively. The volume of this rectangular prism is equals to 0.21 cm³.

Volume of a rectangular prism, can be calculated by multiply the length of the prism by the width of the prism by the height of the prism. That is Volume, V = length × width × height

It is expressed in cubic of measurement units like cm³, m³, feet³, etc. We have a rectangular prism with following dimensions, length of rectangular prism, L = [tex]\frac{3}{8}[/tex] cm

Height of rectangular prism, H = [tex] \frac{7}{8}[/tex] cm

width of rectangular prism, W = [tex] \frac{5}{8}[/tex] cm

Using the above volume formula of rectangular prism, Volume, V = L×H×W

Substitute all known values in above formula,

=> V = [tex] \frac{3}{8} \times \frac{5}{8} \times \frac{7}{8}[/tex]

= [tex] \frac{105}{8^{3} }[/tex]

= 0.21 cm³

Hence, required volume value is

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Complete question:

Type the correct answer in the box. If necessary, use / for the fraction bar.

If a rectangular prism has a length, width, and height of 3/8 centimeter, 5/8 centimeter, and 7/8 centimeter, respectively, then the volume of the prism is ____cubic centimeter.

We reject the null hypothesis and conclude that there is strong evidence to support the claim that the mean composite satisfaction rating for the XYZ-Box exceeds 42.

The null and alternative hypotheses are:

H_0: mu <= 42

H_a: mu > 42

Using the sample mean, sample size, and population standard deviation given, we can calculate the test statistic:

z = (x - mu) / (sigma / sqrt(n))

z = (42.85 - 42) / (2.65 / sqrt(68))

z = 2.56

Using a standard normal distribution table or calculator, we can find the critical values for each significance level:

a = 0.10: z_crit = 1.28

a = 0.05: z_crit = 1.645

a = 0.01: z_crit = 2.33

a = 0.001: z_crit = 3.09

Since our test statistic is greater than the critical value at a = 0.10 and a = 0.05, we reject the null hypothesis at these levels. However, we fail to reject the null hypothesis at a = 0.01 and a = 0.001.

To calculate the p-value, we can use a standard normal distribution table or calculator to find the probability that a z-score is greater than or equal to our test statistic:

p-value = P(Z >= 2.56)

p-value = 0.0052

Since the p-value is less than all of the given significance levels, we reject the null hypothesis and conclude that there is strong evidence to support the claim that the mean composite satisfaction rating for the XYZ-Box exceeds 42.

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Determine whether each data set is likely to be normally distributed. Here are my evaluations for each data set:

1. The number of eggs collected each day on a farm:
Yes, this data set is likely to be normally distributed. The daily egg collection should follow a bell-shaped curve, with an average number of eggs collected per day and a standard deviation accounting for variability.

2. The number of yolks in randomly selected eggs:
No, this data set is not likely to be normally distributed. The number of yolks in an egg is a discrete variable, with most eggs having only one yolk, and a few having two or more. This distribution would be skewed and not follow a normal distribution.

3. The weights of eggs in the kitchen of a restaurant:
Yes, this data set is likely to be normally distributed. The weights of eggs should follow a bell-shaped curve, with an average weight and a standard deviation accounting for variability.

4. The number of eggs in cartons sold at a supermarket:
No, this data set is not likely to be normally distributed. The number of eggs in a carton is a fixed, discrete variable (e.g., 6, 12, or 18 eggs). The distribution would be discrete and not follow a normal distribution.

Your answer: 1. Yes, 2. No, 3. Yes, 4. No

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Answer:

Yes, angle A is an inscribed angle, and it intercepts arc PR. Angle B is also an inscribed angle, and it intercepts arc QPR. Angle C is an inscribed angle that intercepts arc QR, and angle D is an inscribed angle that intercepts arc PQ.

Step-by-step explanation:

(a) At 99% confidence, the margin of error in dollars is $2.46. (b) The  99% confidence interval lies between $19.11 and $24.03.; 2. The 95% confidence interval lies between 5.98 and 7.26.

(a) Margin of error = z * (σ / sqrt(n))

where z is the z-score = 2.576, σ is the population standard deviation =  $6, and n is sample size = 64.

Margin of error = 2.576 * (6 / sqrt(64)) = $2.46

(b) Confidence interval = sample mean ± margin of error

where, Sample mean = (20.50 + 14.63 + 23.77 + ... + 16.66 + 20.85) / 64 = $21.57

Therefore,

Confidence interval = $21.57 ± $2.46 = $19.11 to $24.03

Therefore, 99% Confidence interval is between $19.11 and $24.03.

2. To develop a confidence interval for the population mean rating, we need to use the t-distribution since the population standard deviation is unknown, and the sample size is small (n=50).

Sample mean = (6+4+6+8+7+8+6+3+3+7+10+4+8+7+8+6+5+9+4+8+4+3+8+5+5+4+4+4+8+3+5+5+2+5+9+9+9+4+8+9+9+4+9+7+8+3+10+9+9+6)/50 = 6.62

Sample standard deviation (s) = 2.25

Next, the t-value for a 95% confidence level and 49 degrees of freedom (n-1):

t-value = t(0.025, 49) = 2.0096

ME = t-value x (s / √n) = 2.0096 x (2.25 / √50) = 0.638

Therefore, 95% confidence interval is:

95% CI = sample mean ± ME = 6.62 ± 0.638 = (5.98, 7.26)

Therefore, 95% Confidence interval  falls between 5.98 and 7.26.

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The value of perimeter of the classroom in feet is,

P = 110.4 feet

We have to given that;

A classroom is rectangular in shape.

And, If listed as ordered pairs, the corners of the classroom are (−22, 14), (−22, −10), (2, 14), and (2, −10).

We have to find distance of length and width of rectangle.

Hence, We get;

Length is distance between (−22, 14) and (−22, −10).

That is,

d = √(- 22 + 22)² + (- 10 - 14)²

d = √24²

d = 24

And, Width is distance between (−22, 14) and (−2, −10).

That is,

d = √(- 22 + 2)² + (- 10 - 14)²

d = √20² + 24²

d = √400 + 576

d = √976

d = 31.24

Hence, Perimeter of classroom is,

P = 2 (24 + 31.2)

P = 2 x 55.2

P = 110.4 feet

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Answer: the answer  is actually 96 feet  i know you don't want to read the long version so just trust me.

Step-by-step explanation: and i dont have the time sorry.

It would take Kenny 5 seconds to run up the flight of stairs between the escalators without using the escalator.

Let's assume that the escalator has a certain height and Kenny needs to climb the same height by running up the flight of stairs between the escalators.

Let's say that the height of the escalator is h and the speed of Kenny's running is s (measured in units of height per second).

When Kenny runs up the escalator, he covers the same height h in two ways:

by running up the stairs, which takes him t seconds

by using the help of the moving escalator, which takes him 30 seconds

The speed of Kenny's running up the escalator is therefore:

s + h/30

Similarly, when Kenny runs up just the stairs, he covers the same height h in two ways:

by running up the stairs, which takes him t seconds

by running up the up escalator, which takes him 6 seconds

The speed of Kenny's running up the stairs is therefore:

s + h/6

Since the distances covered in both cases are the same, we have:

t(s + h/30) = h

t(s + h/6) = h

Dividing the second equation by the first one, we get:

(s + h/6)/(s + h/30) = 30/t

Simplifying and solving for t, we get:

t = 5 seconds

Therefore, it would take Kenny 5 seconds to run up the flight of stairs between the escalators without using the escalator.

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There are 3 students who are undecided about the party.

If 20% of the class want an ice cream party, and there are 5 students who want an ice cream party, we can set up the following equation:

5 = 0.2x

Where x is the total number of students in the class. To solve for x, we can divide both sides by 0.2:

5 ÷ 0.2 = x

x = 25

So there are 25 students in the class. To find out how many students are undecided about the party, we can subtract the number of students who want each type of party from the total:

Undecided = 25 - 5 - 7 - 10 = 3

Therefore, there are 3 students who are undecided about the party.

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Full Question ;

Mrs. Conley asks her class what kind of party they want to have to celebrate their excellent behavior. Out of all the students in the class, 5 want an ice cream party, 7 want a movie party, 10 want a costume party, and the rest are undecided.

If 20% want an ice cream party, how many students are in the class?