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Maurinko [17]
3 years ago
9

explain how you could find the area of the quarter circle shown on the right. then write a formula that could be used to find th

e area of a quarter circle and use the formula to find the area to the nearest tenth.​
Mathematics
1 answer:
Nutka1998 [239]3 years ago
7 0

Answer:

Do the formula below

Step-by-step explanation:

you would do pi * radius^2 to get area then divide by 4 and take that and you will have 1/4 of the circle

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Step-by-step explanation:

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3 years ago
An electric sale gives a reading equal to the true weight plus a random error that isnormally distributed with mean 0 and standa
Pepsi [2]

Answer:

a) 95% confidence interval estimate of the true weight is (3.026, 3.274)

b) 99% confidence interval estimate of the true weight is (2.944, 3.356)

Step-by-step explanation:

Confidence Interval can be calculated using M±ME where

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And margin of error (ME) can be calculated using the formula

ME=\frac{t*s}{\sqrt{N} } where

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Using the numbers 95% confidence interval estimate of the true weight is:

3.150±\frac{2.776*0.1}{\sqrt{5} }≈3.150±0.124

And 99% confidence interval estimate of the true weight is:

3.150±\frac{4.604*0.1}{\sqrt{5} }≈3.150±0.206

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3 years ago
What is the equation of the line that passes through the point (-5, 7)<br> and has a slope of –1/5?
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3 years ago
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