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Zinaida [17]
3 years ago
10

Can someone explain how to do this cuz my computer ain’t doing such a good job

Mathematics
2 answers:
RideAnS [48]3 years ago
5 0

Answer:

L=36

W=6

Step-by-step explanation:

If the length is six times the width than the width is equal to x. This would make the length 6x or 6 times x. The perimeter of the rectangle is all of the sides added together. So 6x+6x+x+x=14x

The perimeter equals 84 which gives you

14x=84

Divide by 14 on each side and x=6

The length is six times longer than the width which is 6x6 or 36 and the width would just remain 6.

alexandr402 [8]3 years ago
4 0

Answer:

length = 36 in and width = 6 in

Step-by-step explanation:

let width be w then length (l) = 6w

perimeter = 2l + 2w = 2(6w) + 2w, that is

perimeter = 12w + 2w = 84, so

14w = 84 ( divide both sides by 14 )

w = 6

Thus

width = 6 in

length = 6w = 6 × 6 = 36 in

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Answer:

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Step-by-step explanation:

The complete question is:

Use a t-distribution to answer this question. Assume the samples are random samples from distributions that are reasonably normally distributed, and that a t-statistic will be used for inference about the difference in sample means. State the degrees of freedom used. Find the proportion in a t-distribution less than -1.4  if the samples have sizes 1 = 12 and n 2 = 12 . Enter the exact answer for the degrees of freedom and round your answer for the area to three decimal places. degrees of freedom = Enter your answer; degrees of freedom proportion = Enter your answer; proportion

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The information provided is:

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P(t_{df}

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*Use a <em>t</em>-table.

Thus, the proportion in a t-distribution less than -1.4 is 0.095.

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Step-by-step explanation:

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