1. Which of the following is true?
a. 2,058 is not divisible by 3. c. 5 is not a factor of 2,058.
b. 2,058 is not divisible by 7. d. 2 is not a factor of 2,058.

Answers

Answer 1

The TRUE statement about the factors and divisible numbers is c. 5 is not a factor of 2,058.

What is a factor of another number?

A factor of a number or value is a number or algebraic expression that can divide another number or expression evenly without leaving a remainder.

a) When 3 divides 2,058, the result is 686 without a remainder.  3 can divide 2,058 and is a factor of the number.

b) 2,058 can be divided by 7, giving 294 without a remainder.  7 is a factor of 2,058.

c) When 5 divides 2,058, the result is 411 with 3 as a remainder.  Therefore, 5 is not a factor of 2,058, unlike 3 and 7.

d) When 2 divides 2,058, the result is 1,029 without a remainder.  2 is a factor of 2,058.

Thus, the true statement about the factors is Option C.

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Related Questions

Which type of sampling will get the largest number of subjects in the shortest period of time?a. Cluster sampling b. Convenience sampling c. Network or snowball sampling d. Random sampling

Answers

Convenience sampling is likely to get the largest number of subjects in the shortest period of time, as it involves selecting individuals who are readily available and willing to participate.

Option b. Convenience sampling is correct.

However, it may not necessarily provide a representative sample and may introduce bias into the results.

Random sampling, on the other hand, is the most reliable method of obtaining a representative sample, but may take longer to recruit participants.

Cluster sampling and network or snowball sampling can also be effective methods for obtaining a large sample, depending on the research question and available resources.

Convenience sampling is correct.

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(1 point) Use the function f(x, y) = 3 + 6x2 + 3y to answer the following questions. (a) Calculate Az = f(2.97, -1.99) - f(3,-2) = -1.1943 (b) Approximate Azdz =

Answers

(a) The value of Az = f(2.97, -1.99) - f(3,-2) =  7.6753

(b) The change in f(x, y) is approximately -1.1943.

The given function is f(x, y) = 3 + 6x² + 3y, which means that for any input values of x and y, the output value of the function can be found by substituting these values into the expression for f(x, y). For example, if we want to find the value of f(2.97, -1.99), we simply plug in x = 2.97 and y = -1.99 into the expression for f(x, y):

f(2.97, -1.99) = 3 + 6(2.97)² + 3(-1.99) = 58.6753

Similarly, we can find the value of f(3,-2) by substituting x = 3 and y = -2 into the expression for f(x, y):

f(3,-2) = 3 + 6(3)² + 3(-2) = 51

Now, we are asked to calculate Az = f(2.97, -1.99) - f(3,-2), which is simply the difference between the two values we just calculated:

Az = f(2.97, -1.99) - f(3,-2) = 58.6753 - 51 = 7.6753

Using the chain rule of differentiation, we can express the total differential of f(x, y) as:

df = fx dx + fy dy

where dx and dy are the small changes in x and y, respectively. We can then approximate the change in f(x, y) as dz = ∆f ≈ df, where ∆f is the change in f(x, y) and df is the total differential.

To find fx and fy, we simply take the partial derivatives of f(x, y) with respect to x and y, respectively:

fx = 12x fy = 3

So, the total differential of f(x, y) is:

df = fx dx + fy dy = 12x dx + 3 dy

Substituting dx = -0.03 and dy = 0.01 (since dz = -0.03 and -0.01 are small changes from x = 2.97 and y = -1.99 to x = 3 and y = -2, respectively), we get:

df = 12(2.97)(-0.03) + 3(0.01) = -1.1943

Using the total differential, we can approximate the change in f(x, y) as:

dz ≈ ∆f = df = -1.1943

So, the approximate value of Azdz is -1.1943.

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Any normal distribution is Select) Approximately 99.7% of data observed following a normal distribution lies within [Select) standard deviations of the mean.

Answers

Any normal distribution is approximately 99.7% likely to have data that falls within 3 standard deviations of the mean.

This means that the vast majority of data points in a normal distribution will be clustered around the mean and within a predictable range of values. Standard deviations are a useful tool for understanding the spread of data in a normal distribution and for making predictions about where new data points are likely to fall.

In a normal distribution, approximately 99.7% of the data observed lies within 3 standard deviations of the mean.

The normal distribution, commonly referred to as the Gaussian distribution, is a probability distribution that is frequently used in statistics to characterise real-world phenomena that have a propensity to gather around a central value with a distinctive shape.

With the mean, median, and mode all being equal and situated in the centre of the curve, a normal distribution has a bell-shaped shape and is symmetrical. The distribution's spread is determined by the standard deviation.

A normal distribution is observed in many natural phenomena, including human height, IQ scores, and measurement errors. The central limit theorem further asserts that the distribution of the sum of a large number of independent random variables with finite mean and variance is often normal.

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a survey was conducted asking people about their faviorte fruit,which inferences about the population are true based on the data?

Answers

based on the survey data we can make reasoning about the favorite fruit of a larger population assuming that the sample surveyed was a type of the larger population. some factors that could affect the accuracy of the inferences could include the sample size, the way that the survey was conducted, and any potential biases in the survey or in the sample selection process. hope this helped lol

Find the median and mean of the data set below:
24 , 14 , 13 , 19 , 44

Answers

To find the median, we need to first arrange the data set in order:

13, 14, 19, 24, 44

The median is the middle number, which is 19.

To find the mean, we add up all the numbers and divide by the total number of numbers:

(13 + 14 + 19 + 24 + 44) / 5 = 22

Therefore, the median is 19 and the mean is 22.

~~~Harsha~~~

Answer:

19 and 22

Step-by-step explanation:

To find the median, we need to first put the numbers in order from least to greatest:

13, 14, 19, 24, 44

There are five numbers in the data set, and the middle number is 19. Therefore, the median is 19.

To find the mean, we add up all the numbers and divide by the total number of numbers:

(24 + 14 + 13 + 19 + 44) ÷ 5 = 22

Therefore, the mean is 22.

Hannah takes her test at 1:15 pm. What will time will it be 90 minutes after 1:15 pm?

Answers

Answer: 2:45

Step-by-step explanation: 90 mins is an hour and 30 mins

answer symbolically plasseProblem #2: The length, width and height of a box are measured as 3 ft, 2 ft, and 6 ft, respectively, with an error in measurement of at most 0.1 ft in each. Use differentials to estimate the maximum

Answers

The maximum error in the volume of the box using differentials is approximately 3.6 ft³.

Using differentials, we can estimate the maximum error in the volume of the box. Given the dimensions and errors, we have:

Length (L) = 3 ft, Error in Length (ΔL) = ±0.1 ft
Width (W) = 2 ft, Error in Width (ΔW) = ±0.1 ft
Height (H) = 6 ft, Error in Height (ΔH) = ±0.1 ft

The volume of the box (V) is given by V = L × W × H. To find the maximum error in volume (ΔV), we'll use differentials:

dV = (∂V/∂L) dL + (∂V/∂W) dW + (∂V/∂H) dH

Taking the partial derivatives, we get:

∂V/∂L = W × H, ∂V/∂W = L × H, and ∂V/∂H = L × W

Plugging in the values and errors:

dV = (2 × 6) (±0.1) + (3 × 6) (±0.1) + (3 × 2) (±0.1)

dV = 12(±0.1) + 18(±0.1) + 6(±0.1)

dV = ±1.2 + ±1.8 + ±0.6

To find the maximum error, we'll add the absolute values:

ΔV = 1.2 + 1.8 + 0.6 = 3.6 ft³

Therefore, the maximum error in the volume of the box using differentials is approximately 3.6 ft³.

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3
5

(x−
5
2

)=−
3
32

Answers

Answer: The answer is

X = 1488/35

Step-by-step explanation:

Using the graph given solve the equations

(a) sinx- cosx =0
(b) sinx-cosx =0.5

Answers

Answer:

a)

[tex] \sin(x) - \cos(x) = 0[/tex]

[tex] \sqrt{2} \sin(x - \frac{\pi}{4} ) = 0[/tex]

[tex]x - \frac{\pi}{4} = 0[/tex]

[tex]x = \frac{\pi}{4} \: radians = 45 \: degrees[/tex]

x = 45°

b)

[tex] \sin(x) - \cos(x) = .5[/tex]

[tex] \sqrt{2} \sin(x - \frac{\pi}{4} ) = \frac{1}{2} [/tex]

[tex] \sin(x - \frac{\pi}{4} ) = \frac{ \sqrt{2} }{4} [/tex]

[tex]x - \frac{\pi}{4} = {sin}^{ - 1} \frac{ \sqrt{2} }{4} [/tex]

[tex]x = \frac{\pi}{4} + {sin}^{ - 1} \frac{ \sqrt{2} }{4} =1.15 \: radians = 65.70 \: degrees[/tex]

x = about 65.70°

Suppose that the antenna lengths of woodlice are approximately normally distributed with a mean of 0.22 inches and a standard deviation of 0.05 inches. What proportion of woodlice have antenna lengths that are at most 0.18 inches? Round your answer to at least four decimal places.

Answers

About 0.2119 (or 21.19%) of woodlice have antenna lengths that are at most 0.18 inches.

To solve this problem, we need to use the z-score formula and the standard normal distribution table.

Here's a step-by-step explanation:
Identify the given values: mean (μ) = 0.22 inches, standard deviation (σ) = 0.05 inches, and the target antenna length (X) = 0.18 inches.
Calculate the z-score using the formula: z = (X - μ) / σ
  z = (0.18 - 0.22) / 0.05
  z = -0.04 / 0.05
  z ≈ -0.8
Use the standard normal distribution table (or a calculator with the appropriate function) to find the proportion of woodlice with antenna lengths at most 0.18 inches.

For a z-score of -0.8, the table shows a proportion of approximately 0.2119.

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answer this.pleaseeeeeeeeeeeeeeeeeeeeeeeeeee

Answers

Answer:

Step-by-step explanation:

A=6s² is your formula

s=1/4  plug this into your cube formula

A=6(1/4)²

  =6(1/16)

  =3/8 in³

Question 3 of 10 0/10 E View Policies Show Attempt History Current Attempt in Progress Your answer is incorrect A stone dropped into a still pond sends out a circular ripple whose ft radius increases at a constant rate of 5 ft/s How rapidly is the area enclosed by the ripple increasing at the end of 13 s? NOTE: Enter the exact answer. S Rate of the area change= ___ ft^2/s

Answers

The rate of the area change at the end of 13 seconds is 650π ft2/s.

Given that the radius of the circular ripple increases at a constant rate of 5 ft/s, we can calculate the rate at which the area enclosed by the ripple is increasing. The area of a circle is given by the formula A = πr2, where A is the area and r is the radius.

Since the radius increases at 5 ft/s, after 13 seconds, the radius will be 13 * 5 = 65 ft.

To find the rate of change of the area with respect to time, we can differentiate the area formula with respect to time:

dA/dt = d(πr2)/dt = 2πr(dr/dt)

We are given that dr/dt = 5 ft/s. At the end of 13 seconds, the radius is 65 ft. Plugging these values into the equation, we get:

dA/dt = 2π(65)(5) = 650π ft2/s

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Which statement is true about the sequence of transformations that can be used to show that AABC is similar to AA'B'C'​

Answers

A sequence of transformations maps ∆ABC to ∆A′B′C.

The correct answer that can be used to describe the drop down menu that we have here are:

A sequence of transformations maps ∆ABC to ∆A′B′C.

The sequence of transformations that maps AABC to AABC is a rotation 90º clockwise about the origin followed by a reflection across the line y = x

What is a transformation in mathematics?

This is the term that is used to describe the various ways that the shape of a geometric figure are known to be manipulated. This is done in terms of its position, lines and its point. The original position of the image is what is called the pre image.

The four types of transformation that we have are called the

TranslationRotationDilationreflection

Therefore, A sequence of transformations maps ∆ABC to ∆A′B′C.

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The prerequisite for a required course is that students must have taken either course A or course B. By the time they are​juniors, 57​% of the students have taken course​ A, 29% have had course​ B, and 14​% have done both. ​

a) What percent of the juniors are ineligible for the​ course?​

b) What's the probability that a junior who has taken course A has also taken course​ B?​

a)___ of juniors are not eligible.

​b) The probability that a junior who has taken course A has also taken course B is ___

Answers

The prerequisite for a required course is that students must have taken either course A or course B. By the time they are​ juniors, 57​% of the students have taken course​ A, 29% have had course​ B, and 14​% have done both. ​

a) 28% of juniors are not eligible.

​b) The probability that a junior who has taken course A has also taken course B is 24.6%

a) To find the percentage of juniors who are ineligible for the course, we need to find the percentage of juniors who have not taken either course A or course B.
First, we can find the percentage of juniors who have taken both courses:
57% (who have taken course A) + 29% (who have taken course B) - 14% (who have taken both) = 72%
So, 72% of juniors have taken either course A or course B.
To find the percentage of juniors who are ineligible, we can subtract this from 100%:
100% - 72% = 28%
Therefore, 28% of juniors are ineligible for the course.
b) To find the probability that a junior who has taken course A has also taken course B, we need to use the information given about the percentage of students who have taken both courses.
Out of the 57% of juniors who have taken course A, 14% have also taken course B. So, the probability that a junior who has taken course A has also taken course B is:
14% / 57% = 0.246 or 24.6% (rounded to one decimal place)
Therefore, the probability that a junior who has taken course A has also taken course B is 24.6%.

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What is the growth factor when something is decreasing by:
15.7%
0.12%

Answers

When something decreases by 15.7%, the growth factor is about 1.182 and when something decreases by 0.12%, the growth factor is about 1.00012.

In math, what is the definition of multiplying?

Multiplication is a mathematical process that shows the amount of times a number has been added to itself. It is represented by the multiplication symbols (x) or (*). Division is a mathematical process that shows how many equal amounts add up to a given quantity.

If something decreases by 15.7%, the increase in the factor is 100 / (100 - 15.7) Equals 1.182.

As a result, when something decreases by 15.7%, the growth factor is about 1.182.

When something falls by 0.12%, the expansion factor is 100 / (100 - 0.12) = 1.00012.

As a result, when something decreases by 0.12%, the growth factor is about 1.00012.

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You may need to use the appropriate appendix table or technology to answer this question.The increasing annual cost (including tuition, room, board, books, and fees) to attend college has been widely discussed (Time.com). The following random samples show the annual cost of attending private and public colleges. Data are in thousands of dollars.

Answers

The appropriate appendix table or technology to answer this question would be a chart or graph showing the annual cost of attending private and public colleges.

What is technology?

Technology is the application of scientific knowledge for practical purposes, especially in industry. Technology can be used to create new products, processes, and services, improve existing ones, optimize efficiency, and solve problems. It includes both hardware and software components, such as computers, communication networks, robotics, and artificial intelligence, as well as the knowledge and skills to use these tools. Technology has the potential to improve lives, increase productivity, and enable more efficient use of resources. Despite the potential benefits, technology can also create ethical, legal, and economic challenges.

This would allow for a visual comparison of the data, making it easier to interpret the results. Additionally, a chart or graph would make it easier to identify any trends or patterns in the data.

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enter the value of p so that the expression 1/2(n+2) is equivalent to (n+p)•1/2•

Answers

To find the equivalent we can use linear equation in one variable .the value of p is 2.

what is linear equation in one variable  and equivalent?

An algebraic equation of the form axe + b = c, where x denotes the variable, a, b, and c are constants, and an is not equal to zero, is known as a linear equation in one variable.

Equivalent means having the same value, function, meaning, or effect. In other words, two things are equivalent if they are equal or interchangeable in some way.

According to given information

I assume that the second expression is supposed to be (n+p)•1/2, since the expression as written is incomplete.

To find the value of p that makes the two expressions equivalent, we can set them equal to each other and solve for p:

1/2(n+2) = (n+p)•1/2

Multiplying both sides by 2:

n+2 = n+p

Subtracting n from both sides:

2 = p

Therefore, the value of p that makes the two expressions equivalent is 2.

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At 7:30 AM in the morning, Ukrainian army tank is 50 km due west of a Russian army tank. The Ukrainian army tank is then moving due north at 15 km/h, and Russian army tank is moving due west at a rate of 20 km/h. If these two tanks continue on their respective courses:(a) at what time will they be nearest one another? (Use the time format: HOUR:MINUTES AM/PM)(b) what's the nearest distance, in km, between the two tanks?

Answers

The tanks will be closest to each other at time 11:11 AM and the nearest distance between the tanks is 27.16 km.

Let's assume that the two tanks meet at a point (x, y) at time t.

Using the Pythagorean theorem, the distance between the tanks is:

D(t) = √(50 - 20t)² + (15t)²

To find the time when the tanks are closest, we need to find the minimum value of D(t).

We can do this by taking the derivative of D(t) with respect to t and setting it equal to zero:

dD/dt = (-40(50 - 20t) + 30t) /√(50 - 20t)² + (15t)² = 0

Solving for t, we get:

t = 125/34 hours

125/34 hours = 3.6765 hours

= 3 hours and 41 minutes after 7:30 AM

So the tanks will be closest to each other at approximately 11:11 AM.

To find the nearest distance between the tanks at that time, we can substitute t = 125/34 into the expression for D(t):

D(125/34) = 27.16 km

Hence, the nearest distance between the tanks is approximately 27.16 km.

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HELLPPPPPPPP At the store, 60% of the customers are parents and 40% of the customers are not. The average age of the parents is 52 years old. The average age of those not parents is 20 years old. What is the average age of all the customers at the store? 36 years old 39.2 years old 42.5 years old​

Answers

For the given problem, The average age of all customers at the store will be option 2.) 39.2 years old .

How to calculate the average?Firstly, Find the sum of all numbers that are ginen in the set of numbers.Now, we have to make a count of the total number of values in the given set.Finally, Divide the sum obtained in the Step 1 by the count obtained the Step 2.The result obtained will be the average or mean of the given set of numbers.

Given:

Percentage of parents = 60%

Average age of parents = 52 years old

Percentage of non-parents = 40%

Average age of non-parents = 20 years old

Formula for weighted sum can be given as:

Weighted Sum=(Percentage of parents*Average age of parents)+(Percentage of non-parents*Average age of non-parents)

[tex]\text{Average age of parents = }60\% * 52 \;years \;old = 31.2\; years\; old\\\\[/tex]

[tex]\text{Average age of non-parents }= 40\% * 20 \;years\; old = 8 \;years\; old[/tex]

[tex]\text{Overall average age = Average age of parents + Average age of non-parents}[/tex]

= 31.2 years old + 8 years old

= 39.2 years old

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research shows that approximately 18 out of every 100 people have blue eyes. If there are 50 people in a room, what fraction of them have blue eyes?
Make sure to use the total as the denominator

Answers

Answer:

9 or 50/9

Step-by-step explanation:

If we are going of the data 9 of them should have blue eyes.
100/2=50
18/2=9



1) To calculate the probabilities of obtaining 3 aces in 8 draws a card without replacement from an ordinary deck(52 cards), we would use the:

a. multinomial distribution.

b. hypergeometric distribution.

c. Poisson distribution.

d. binomial distribution

2)The symbol p in the binomial distribution formula means the probability of _____ success in _____ trial.

3) The generalization of the binomial distribution when there are _____ outcome(s) is called the multinomial distribution.

4) If an ordinary die is rolled 10 times, the probability of obtaining from 1 to 4 threes should be determined using the formula for the:

a) binomial distribution.

b) multinomial distribution.

c) hypergeometric distribution.

d) Poisson distribution

Answers

1. The correct answer is b. hypergeometric distribution.

2. The symbol p in the binomial distribution formula means the probability of a single success in a single trial.

3. The generalization of the binomial distribution when there are more than two outcomes is called the multinomial distribution.

4. The correct answer is a) binomial distribution.

The hypergeometric distribution is used when sampling without replacement, as in the case of drawing cards from a deck without putting them back. In this scenario, the probability of obtaining 3 aces in 8 draws from a standard deck of 52 cards would be calculated using the hypergeometric distribution.

In the binomial distribution formula, the symbol p represents the probability of a single success in a single trial. The formula for the binomial distribution is[tex]P(X=k) = \binom{n}{k} p^k (1-p)^{n-k}[/tex], where X is the random variable representing the number of successes, k is the desired number of successes, n is the number of trials, p is the probability of success in a single trial, and (1-p) is the probability of failure in a single trial.

The multinomial distribution is used when there are more than two possible outcomes. It is a generalization of the binomial distribution, which is used when there are exactly two possible outcomes (e.g., success or failure). The multinomial distribution allows for more than two outcomes, such as multiple categories or options.

When rolling an ordinary die 10 times and looking for the probability of obtaining from 1 to 4 threes, we would use the binomial distribution formula. This is because there are only two possible outcomes for each trial (either obtaining a three or not obtaining a three), making it a binomial distribution scenario. The multinomial distribution, hypergeometric distribution, and Poisson distribution would not be appropriate in this case as they are used for different scenarios with different characteristics. Therefore, the correct answer is a) binomial distribution.

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It's a math problem about Quadratic Real Life Math. Thank you

Answers

In linear equation, The maximum height reached by the rocket, to the nearest tenth of a foot is 256 feet.

What is a linear equation in mathematics?

A linear equation in algebra is one that only contains a constant and a first-order (direct) element, such as y = mx b, where m is the pitch and b is the y-intercept.

                         Sometimes the following is referred to as a "direct equation of two variables," where y and x are the variables. Direct equations are those in which all of the variables are powers of one. In one example with just one variable, layoff b = 0, where a and b are real numbers and x is the variable, is used.

y=-16t²+ 112t + 60

dy/dt = -16(2t)+ 112

Substitute the value of dy/dt as 0, to get the value of t,

0 = -32t + 112

112  = 32t

t = 3.5

Substitute the value of t in the equation to get the maximum height,

y=-16t²+ 112t + 60

y=-16(3.5²)+ 112(3.5)+60

y = 256 feet

Hence, the maximum height reached by the rocket, to the nearest tenth of a foot is 256 feet.

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6. (NO CALC) The function f has a Taylor series about x=1 that converges to f(x) for all x in the interval of convergence. It is known that f(1)=1, f′(1)= −½, and the nth derivative of f at x=1 is given byfⁿ(1)=(-1)ⁿ(n-1)!/2ⁿ for n≥2(d) Show that the approximation found in Part C is within 0.001 of the exact value of f 1.2.

Answers

Using Taylor series, the approximation P3(1.2) = 0.77083. Error R3(1.2) < 0.000235. Thus, P3(1.2) - |R3(1.2)| = 0.770599, within 0.001 of f(1.2).

In part C, we found the third-order Taylor polynomial for f about x=1 to be P3(x) = 1 - 1/2(x-1) + 1/8[tex](x-1)^2[/tex]- 1/48[tex](x-1)^3[/tex].

To show that this approximation is within 0.001 of the exact value of f(1.2), we need to estimate the error using the remainder term. The remainder term for the third-order Taylor polynomial is given by R3(x) = f(x) - P3(x) = (1/4!)[tex](x-1)^4[/tex]f⁴(c), where c is some number between 1 and x.

Using the given formula for fⁿ(1), we can compute f⁴(c) = (-1)³(3!)/2⁴ = -3/16. Thus, we have R3(1.2) = (1/4!)[tex](0.2)^4[/tex](-3/16) = -0.000234375.

Since R3(1.2) is negative, we know that P3(1.2) > f(1.2), so our approximation is too high. Therefore, to ensure that our approximation is within 0.001 of the exact value of f(1.2), we need to subtract the error bound from our approximation. That is, we need to use P3(1.2) - |R3(1.2)| as our estimate. Substituting values, we get P3(1.2) - |R3(1.2)| = 0.770833333 - 0.000234375 = 0.770598958.

Since |f(1.2) - P3(1.2)| < |R3(1.2)|, we can conclude that our approximation is within 0.001 of the exact value of f(1.2).

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the school of business believes that a review course will help to improve the mean score on an outcomes assessment test. a faculty member claims that the improvement is no more than 3%. a sample of 30 students' scores shows a mean score improvement of 2.8%. what would be the null hypothesis to test the faculty member's claim at the 5% significance level?

Answers

The null hypothesis to test the faculty member's claim that the improvement is no more than 3% at the 5% significance level is that the true mean score improvement on the outcomes assessment test is equal to or less than 3%.

What is null hypothesis?

The null hypothesis is a statement that assumes there is no significant difference or relationship between two variables in a population, or that any observed difference or relationship is due to chance or sampling error. It is usually denoted by "H0" and is used in statistical hypothesis testing to determine whether there is evidence to support an alternative hypothesis.

In the given question,

The null hypothesis to test the faculty member's claim that the improvement is no more than 3% at the 5% significance level would be:

H0: The true mean score improvement on the outcomes assessment test is equal to or less than 3%.

This hypothesis assumes that there is no significant improvement in the mean score on the outcomes assessment test as a result of the review course. The alternative hypothesis would be:

Ha: The true mean score improvement on the outcomes assessment test is greater than 3%.

This hypothesis assumes that there is a significant improvement in the mean score on the outcomes assessment test as a result of the review course.

To test these hypotheses, we would use a one-tailed t-test with a significance level of 0.05 and calculate the t-value and p-value based on the sample data. If the p-value is less than 0.05, we would reject the null hypothesis and conclude that there is evidence of a significant improvement in the mean score on the outcomes assessment test as a result of the review course. If the p-value is greater than or equal to 0.05, we would fail to reject the null hypothesis and conclude that there is no evidence of a significant improvement in the mean score on the outcomes assessment test as a result of the review course.

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5,500 dollars is placed in a savings account with an annual interest rate of 2.8%. If no money is added or removed from the account, which equation represents how much will be in the account after 7 years?

Answers

The equation that represents how much will be in the account after 7 years is f(x) = 5500 * (1.028)⁷

Which equation represents how much will be in the account after 7 years?

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

5,500 dollars is placed in a savings account An annual interest rate of 2.8%.

The equation that represents how much will be in the account after 7 years is represented as

f(x) = P * (1 + r)ˣ

Where

P = 5500

r = 2.8% =

Substitute the known values in the above equation, so, we have the following representation

f(x) = 5500 * (1 + 2.8%)ˣ

Evaluate the sum

f(x) = 5500 * (1.028)ˣ

After 7 years, we have

f(x) = 5500 * (1.028)⁷

Hence, the equation is f(x) = 5500 * (1.028)⁷

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Given







BC

AD
, complete the flowchart proof below. Note that the last statement and reason have both been filled in for you.

Answers

The completion of the flowchart proof is given below:

<ABD = <BDC

(alternate angles)

<BAC = <ACD

(alternate angles)

BE= ED

What is a Flowchart Proof?

A flowchart proof is a visual representation of an argument or deduction, wherein all of its components are displayed as nodes formed in shapes such as diamonds and rectangles.

Connected by directional arrows to demonstrate the logic behind them, these symbols offer a simple yet effective way to comprehend the intricate complexities associated with any given inference. This method serves to exhibit transparent and thorough methods for deciphering complex proofs.

Alternate angles are two angles that are not next to each other and are created by the intersection of two lines, situated on different sides of the transversal. When the lines are parallel, they have the same distances.

The completion of the flowchart proof is given below:

<ABD = <BDC

(alternate angles)

<BAC = <ACD

(alternate angles)

BE= ED

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In 2005, the property crime rates (per 100,000 residents) for the 50 states and the District of Columbia had a mean of 3377.2 and a standard deviation of 847.4. Assuming the distribution of property crime rates is normal, what percentage of the states had property crime rates between 2360 and 4055?
3.96
0.67
0.279
0.511

Answers

Assuming the distribution of property crime rates is normal, percentage of the states had property crime rates between 2360 and 4055 is 0.67. Therefore, the correct option is option 2.

To find the percentage of states with property crime rates between 2360 and 4055, we will use the mean, standard deviation, and the z-scores. The given data are:

Mean (μ) = 3377.2
Standard Deviation (σ) = 847.4
Lower limit (X₁) = 2360
Upper limit (X₂) = 4055

The z-score for a property crime rate of 2360 is:

z₁ = (X₁ - μ) / σ = (2360 - 3377.2) / 847.4 = -1.207

The z-score for a property crime rate of 4055 is:

z₂ = (X₂ - μ) / σ = (4055 - 3377.2) / 847.4 = 0.801

Using a standard normal distribution table, we can find the percentage of states that had property crime rates between these two values:

P(-1.207 < Z < 0.801) = P(Z < 0.801) - P(Z < -1.207)

= 0.7881 - 0.1131

= 0.6750

So, approximately 0.6750 or 67.50% of the states had property crime rates between 2360 and 4055 which corresponds to option 2.

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PLEASE HELP ME CORRECTLY CAUSE IT'S DUE IN 10MIN

Question 11(Multiple Choice Worth 2 points)
(Circle Graphs LC)

Chipwich Summer Camp surveyed 100 campers to determine which lake activity was their favorite. The results are given in the table.


Lake Activity Number of Campers
Kayaking 15
Wakeboarding 11
Windsurfing 7
Waterskiing 13
Paddleboarding 54


If a circle graph was constructed from the results, which lake activity has a central angle of 54°?
Kayaking
Wakeboarding
Waterskiing
Paddleboarding

Question 12

A recent conference had 750 people in attendance. In one exhibit room of 70 people, there were 18 teachers and 52 principals. What prediction can you make about the number of principals in attendance at the conference?

There were about 193 principals in attendance.
There were about 260 principals in attendance.
There were about 557 principals in attendance.
There were about 680 principals in attendance.


Question 13

A college cafeteria is looking for a new dessert to offer its 4,000 students. The table shows the preference of 225 students.


Ice Cream Candy Cake Pie Cookies
81 9 72 36 27


Which statement is the best prediction about the number of cookies the college will need?
The college will have about 480 students who prefer cookies.
The college will have about 640 students who prefer cookies.
The college will have about 1,280 students who prefer cookies.
The college will have about 1,440 students who prefer cookies.

Question 14
A random sample of 100 middle schoolers were asked about their favorite sport. The following data was collected from the students.


Sport Basketball Baseball Soccer Tennis
Number of Students 17 12 27 44


Which of the following graphs correctly displays the data?
histogram with the title favorite sport and the x axis labeled sport and the y axis labeled number of students, with the first bar labeled basketball going to a value of 17, the second bar labeled baseball going to a value of 12, the third bar labeled soccer going to a value of 27, and the fourth bar labeled tennis going to a value of 44
histogram with the title favorite sport and the x axis labeled sport and the y axis labeled number of students, with the first bar labeled baseball going to a value of 17, the second bar labeled basketball going to a value of 12, the third bar labeled tennis going to a value of 27, and the fourth bar labeled soccer going to a value of 44
bar graph with the title favorite sport and the x axis labeled sport and the y axis labeled number of students, with the first bar labeled basketball going to a value of 17, the second bar labeled baseball going to a value of 12, the third bar labeled soccer going to a value of 27, and the fourth bar labeled tennis going to a value of 44
bar graph with the title favorite sport and the x axis labeled sport and the y axis labeled number of students, with the first bar labeled baseball going to a value of 17, the second bar labeled basketball going to a value of 12, the third bar labeled tennis going to a value of 27, and the fourth bar labeled soccer going to a value of 44


Question 15

The line plots represent data collected on the travel times to school from two groups of 15 students.

A horizontal line starting at 0, with tick marks every two units up to 28. The line is labeled Minutes Traveled. There is one dot above 4, 6, 14, and 28. There are two dots above 10, 12, 18, and 22. There are three dots above 16. The graph is titled Bus 47 Travel Times.

A horizontal line starting at 0, with tick marks every two units up to 28. The line is labeled Minutes Traveled. There is one dot above 8, 9, 18, 20, and 22. There are two dots above 6, 10, 12, 14, and 16. The graph is titled Bus 18 Travel Times.

Compare the data and use the correct measure of center to determine which bus typically has the faster travel time. Round your answer to the nearest whole number, if necessary, and explain your answer.

Bus 18, with a median of 13
Bus 47, with a median of 16
Bus 18, with a mean of 13
Bus 47, with a mean of 16

Answers

Answer:

number 11 is kayaking

Step-by-step explanation:

add all of them up which will give you 100.Then do 360÷100=3.6

3.6×15=54

EASY DUBS

Answer:

(11) The central angle of a sector in a circle graph can be calculated by finding the ratio of the number of campers who chose that activity to the total number of campers, and then multiplying by 360 degrees.

For paddleboarding, the ratio is:

54 (number of campers who chose paddleboarding) / 100 (total number of campers) = 0.54

The central angle for paddleboarding is:

0.54 x 360 degrees = 194.4 degrees

Therefore, paddleboarding does not have a central angle of 54 degrees.

For kayaking, the ratio is:

15 / 100 = 0.15

The central angle for kayaking is:

0.15 x 360 degrees = 54 degrees

Therefore, the answer is Kayaking.

(12) Assuming that the proportion of principals in the exhibit room is representative of the entire conference, we can estimate the number of principals in attendance at the conference as follows:

The proportion of teachers in the exhibit room is 18/70 = 0.2571

The proportion of principals in the exhibit room is 52/70 = 0.7429

If we assume these proportions hold for the entire conference, then we can estimate the number of principals in attendance as:

(0.7429)(750) = 557.175

Therefore, we can predict that there were about 557 principals in attendance at the conference. Answer: There were about 557 principals in attendance.

(13) Out of 225 students, 27 prefer cookies.

To predict the number of cookies the college will need, we can use proportions.

Let x be the total number of students in the college who prefer cookies. Then, we can set up the following proportion:

27/225 = x/4000

Solving for x, we get:

x = (27/225) * 4000

x = 480

Therefore, the best prediction about the number of cookies the college will need is that it will have about 480 students who prefer cookies.

The answer is: The college will have about 480 students who prefer cookies.

(14) bar graph with the title favorite sport and the x axis labeled sport and the y axis labeled number of students, with the first bar labeled basketball going to a value of 17, the second bar labeled baseball going to a value of 12, the third bar labeled soccer going to a value of 27, and the fourth bar labeled tennis going to a value of 44, is the correct way to display the given data.

(15) To determine which bus typically has the faster travel time, we need to compare the measures of center (mean and median) for both data sets.

For Bus 47, the median is the middle value when the data is arranged in order, which is 14 minutes. The mean can be found by summing all the travel times and dividing by the total number of students:

(4+6+10+10+12+12+16+16+16+18+22+22+22+28+28) / 15 = 16.13 minutes (rounded to the nearest hundredth)

For Bus 18, the median is the middle value when the data is arranged in order, which is 12 minutes. The mean can be found by summing all the travel times and dividing by the total number of students:

(6+6+8+9+10+10+12+12+14+14+16+16+18+20+22) / 15 = 12.27 minutes (rounded to the nearest hundredth)

Comparing the measures of center, we see that Bus 47 has a higher mean and median, indicating that it typically has a longer travel time than Bus 18. Therefore, the answer is: Bus 18, with a median of 12.

Let g be the function given by g(x)=x2ekx, where k is a constant. For what value of k does g have a critical point at x=2/3?
A. -3
B. -3/2
C. -1/3
D. 0
E. There is no such k

Answers

The answer is (B) -3/2. When k = -3/2, g(x) has a critical point at x = 2/3.

To learn

To find the value of k that makes g(x) have a critical point at x = 2/3, we need to find the derivative of g(x) and set it equal to zero, and then solve for k.

First, we use the product rule to find g'(x):

g'(x) = (2xekx) + (x2ekx)(kekx) = xekx(2+kx)

Next, we set g'(2/3) = 0 and solve for k:

g'(2/3) = (2/3)ek(2/3)(2+k(2/3)) = 0

Simplifying this equation, we get:

(2/3)ek(2/3)(2+k(2/3)) = 0

2 + k(2/3) = 0

k = -3/2

Therefore, the answer is (B) -3/2. When k = -3/2, g(x) has a critical point at x = 2/3.

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14. Higher Order Thinking Use the linear
model. What fraction of 1 foot is 3 inches?
What fraction of 1 yard is 3 inches? Explain.
+++++++++++
0 3 6 9 12 in.
1 ft
2 ft
1 yd
3 ft

Answers

3 inches is 1/4 of 1 foot and 1/12 of 1 yard.

First, let's determine the fraction of 1 foot that is equivalent to 3 inches.

There are 12 inches in 1 foot.

To find the fraction, divide the number of inches you have (3) by the total inches in a foot (12):
3 inches ÷ 12 inches = 1/4
So, 3 inches is 1/4 of 1 foot.
Next, let's determine the fraction of 1 yard that is equivalent to 3 inches.

There are 36 inches in 1 yard (since 1 yard = 3 feet and 1 foot = 12 inches,

so 3 feet * 12 inches = 36 inches).

To find the fraction, divide the number of inches you have (3) by the total inches in a yard (36):
3 inches ÷ 36 inches = 1/12
So, 3 inches is 1/12 of 1 yard.

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