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victus00 [196]
3 years ago
13

The hypotenuse of a right triangle measures 9 inches, and one of the acute angle measures 36 degrees. What is the area of the tr

iangle? Round to the nearest square inch.
Mathematics
1 answer:
Pie3 years ago
8 0
<span>sin(36)(9) = 5.29
cos(36)(9) = 7.28

Area = (1/2)bh
Area = (1/2)(5.29)(7.28)
Area = 19 sq. in.</span>
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To solve, it would be 6.25n. That eliminates both 6n25 over P, P equals 6.25 over n, and n=6.25P, leaving P=6.25n as the answer.

5 0
3 years ago
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The mean amount of money spent on lunch per week for a sample of 100 students is $21. If the margin of error for the population
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From the given mean and margin of error, the 99% confidence interval for the mean amount of money spent on lunch per week for all students is:

[$19.5, $22.5].

<h3>How to calculate a confidence interval given the sample mean and the margin of error?</h3>

The confidence interval is given by the sample mean plus/minus the margin of error, hence:

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  • The upper bound is the sample mean added to the margin of error.

For this problem, we have that:

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  • The margin of error is of $1.50.

Hence the bounds are given as follows:

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Hence the interval is [$19.50, $22.50].

More can be learned about confidence intervals at brainly.com/question/25890103

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7 0
1 year ago
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5 0
2 years ago
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