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kow [346]
3 years ago
7

Use the divisibility rules to determine which of the following numbers 504 is divisible by.

Mathematics
1 answer:
Reika [66]3 years ago
3 0

Answer:

504 is divisible by 2, 3, and 7. It is not divisble by 5 or 11

Step-by-step explanation:

C'mon. Use a calcultor.

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According to a recent​ publication, the mean price of new mobile homes is ​$63 comma 800. Assume a standard deviation of ​$7900.
wolverine [178]

Answer:

a. For n=25, the mean and standard deviation of the prices of the mobile homes all possible sample mean prices are ​$63,800 and ​$1,580​, respectively.

b. For n=50, the mean and standard deviation of the prices of the mobile homes all possible sample mean prices are ​$63,800 and ​$1,117​, respectively.

Step-by-step explanation:

In this case, for each sample size, we have a sampling distribution (a distribution for the population of sample means), with the following parameters:

\mu_s=\mu=63,800\\\\\sigma_s=\sigma/\sqrt{n}=7,900/\sqrt{n}

For n=25 we have:

\mu_s=\mu=63,800\\\\\sigma_s=\sigma/\sqrt{n}=7,900/\sqrt{25}=7,900/5=1,580

The spread of the sampling distribution is always smaller than the population spread of the individuals. The spread is smaller as the sample size increase.

This has the implication that is expected to have more precision in the estimation of the population mean when we use bigger samples than smaller ones.

If n=50, we have:

\mu_s=\mu=63,800\\\\\sigma_s=\sigma/\sqrt{n}=7,900/\sqrt{50}=7,900/7.07=1,117

4 0
3 years ago
What is the answer to this<br> -11 - (-3)
BaLLatris [955]

Answer:

  • <u>-</u><u>8</u>

Step-by-step explanation:

  • -11 - (-3) =

(-11) + 3

<u>-</u><u>8</u>

5 0
2 years ago
Read 2 more answers
The scatter plot shows the profit by the month for a new company during its first year of operation. Which equation most closely
kondor19780726 [428]

The equation most closely models the line of best fit for the scatter plot is y = 2.5x

<h3>Equation of a line</h3>

A line is the distance between two points. The equation of a line in point-slope form is given as y =mx + b

  • m is the slope
  • b is the intercept


Using the coordinate points on the line (3, 5000) and (9, 20000)

Get the slope

Slope = 20000-5000/9-3
Slope = 15000/6 = 2500

Determine the y-intercept

5000 = 2500(3) + b

b = 5000 - 7500
b = -2500

Determine the equation

y = 2.5x - 2.5

Hence the equation most closely models the line of best fit for the scatter plot is y = 2.5x

Learn more on line plot here: brainly.com/question/8989301

#SPJ1

7 0
1 year ago
Virginia is 7-years old. georgia is 14 years old. both girls like to write short stories
makkiz [27]
She can become an excellent writer if she continues to work at it. 
5 0
3 years ago
A line with slope of 0 is a__?
garik1379 [7]

Answer: A horizontal line

Step-by-step explanation:

a slope of zero means that the line is horizontal, and a horizontal line means you'll get a slope of zero.

:)

8 0
3 years ago
Read 2 more answers
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