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2 years ago

Please help, image below. Thank you!

Mathematics

2 answers:

dmitriy555 [2]2 years ago

5 0

A radius extends from the center of the circle to the edge.

If J is the center of the circle, then possible radii are JK, JL, JM, and JN.

Of those options, JN is the only one listed as an answer choice.

Answer: Third option, JN

Hope this helps!

dmitriy555 [2]2 years ago

3 0

Line segment JN: radius is half way from the middle point of the circle. If we look at all the other answers they’re all full length of the circle which is diameter

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In the data set below, what is the mean absolute deviation? 9,8,3,2,5 If the answer is a decimal, round it to the nearest tenth.

alexandr402 [8]

Answer:

Step-by-step explanation:

9,8,3,2,5

3/5=0.6

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3 years ago

The following data reflect the number of customers who return merchandise for a refund on Monday. Note these data reflect the po

garri49 [273]

Answer:

The standard deviation of given data is 12.36

Step-by-step explanation:

We are given the following data in the question:

40, 12, 17, 25, 9, 46, 13, 22, 16,7

Formula:

$\text{Standard Deviation} = \sqrt{\displaystyle\frac{\sum (x_i -\bar{x})^2}{n}}$

where $x_i$ are data points, $\bar{x}$ is the mean and n is the number of observations.

$Mean = \displaystyle\frac{\text{Sum of all observations}}{\text{Total number of observation}}$

$Mean =\displaystyle\frac{207}{10} = 20.7$

Sum of squares of differences =

372.49 + 75.69 + 13.69 + 18.49 + 136.89 + 640.09 + 59.29 + 1.69 + 22.09 + 187.69 = 1528.1

$\sigma = \sqrt{\dfrac{1528.1}{10}} = 12.36$

Thus, the standard deviation of given data is 12.36

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3 years ago

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Answer:

Step-by-step explanation:

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3 years ago

Doug’s go-kart can go 50 m in 20s. What is its average speed?

Olegator [25]

Answer:

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Step-by-step explanation:

50m divided by 20 = 2.5m

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Step-by-step explanation:

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