2 years ago

Answer This Question.

1 answer:

7 0

The correct statements are...

B. April’s sixth number was the same as Colin’s first number.
D. April’s second number was 8.
F. Colin’s third number was 2.

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Find the midpoint of a line segment with endpoints (4, -10) and (-8, 2).

pychu [463]

Step-by-step explanation: (-2,-4)

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2 years ago

The Range Rule of Thumb roughly estimates the standard deviation of a data set as _______.

maw [93]

Answer:

Option A)

$s = \dfrac{\text{Range}}{4}$

Step-by-step explanation:

Range Rule of Thumb

The range Rule of thumb states that the range is four times the standard deviation.
The standard deviation is a measure of dispersion.

$\text{Range = Maximum - Minimum}\\\text{s: Standard Deviation}\\\text{Range rule of Thumb:}\\\text{Range} = 4\times s\\\\s = \dfrac{\text{Maximum - Minimum}}{4}$

Thus, the correct answer is

$s = \dfrac{\text{Range}}{4}$

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3 years ago

What is the degree measure of an interior angle of a regular pentagon?

satela [25.4K]

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it is 540 degrees.

Step-by-step explanation:

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3 years ago

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Find the mean of the following data: 10, 16, 15, 14, 8, 21, 10, 5, 19, 18, 4, 5, 16, 12, 10, 9

Evgesh-ka [11]

Answer:

Step-by-step explanation:

add all them together, then divide by the amt. of numbers there are.

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3 years ago

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At a rock concert, the ratio of girls to boys is 3:7. If there are 360 more boys than girls, how many girls are at the concert?

bixtya [17]

You could understand the ration as parts: the total number of parts was 3+7=10.

So girls were 3/10 parts and boys 7/10 parts. The difference was 7-3=4 parts. this difference is equal to 360, so each part is 90 (4*90 =360).

so girls are "3 parts" and each part is 90, then the number of girls is 3*90=270.

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3 years ago