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Flauer [41]
3 years ago
7

Find the area of the circle. Round your answer to two decimal places, if necessary.​

Mathematics
1 answer:
nirvana33 [79]3 years ago
3 0

Answer:

379.94 in.²

Step-by-step explanation:

To find the area of a circle, multiply the radius by itself twice, then multiply the product by pi.

a=\pi r^2

In the image, the diameter is shown.

To find the radius of a circle, divide the diameter by 2.

22/2=11

The radius of this circle is 11 inches.

Next, multiply the radius by itself twice.

11*11=121

Lastly, multiply the product by pi (3.14).

121*3.14=379.94

Therefore, the area of this circle is 379.94 inches squared.

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Step-by-step explanation:

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For 100​ births, P(exactly ​girls) and ​P( or more ​girls). Is girls in 100 births a significantly high number of​ girls? Which
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Answer;

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Step-by-step explanation:

The complete question is as follows;

For 100 births, P(exactly 56 girls = 0.0390 and P 56 or more girls = 0.136. Is 56 girls in 100 births a significantly high number of girls? Which probability is relevant to answering that question? Consider a number of girls to be significantly high if the appropriate probability is 0.05 or less V so 56 girls in 100 birthsa significantly high number of girls because the relevant probability is The relevant probability is 0.05

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Here. we want to know which of the probabilities is relevant to answering the question and also if 56 out of a total of 100 is sufficient enough to provide answer to the question.

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The relevant probability is 0.136 so the value of 56 girls in 100 births is not a significantly high number of girls because the relevant probability is greater than 0.05

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