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3 years ago

The radius of a circle is 6 meters. What is the circle's area?

Mathematics

2 answers:

Amiraneli [1.4K]3 years ago

6 0

Answer:

A≈113.1

Step-by-step explanation:

A=πr^2=π·6^2≈113.09734

Elanso [62]3 years ago

5 0

Answer:

A = 36 pi m^2 or approximately 113.04 m^2

Step-by-step explanation:

The area of a circle is given by

A = pi r^2

The radius is 6

A = pi 6^2

A = 36 pi m^2

Using the approximation of 3.14 for pi

A =113.04 m^2

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Over [174]

Answer:

This is strong evidence that more than 2% get damaged

Step-by-step explanation:

The company goal is to keep the proportion of damaged machines below 2%

$H_o: p = 0.02$

$H_a: p > 0.02$

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So, x = 6

n = 66

$\widehat{p}=\frac{x}{n}$

$\widehat{p}=\frac{6}{66}$

Formula : $z=\frac{\widehat{p}-p}{\sqrt{\frac{p(1-p)}{n}}}$

$z=\frac{\widehat{p}-p}{\sqrt{\frac{p(1-p)}{n}}}$

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So, the value of test statistic is 4.114

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p value < α

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3 years ago