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FromTheMoon [43]

3 years ago

15

Brian has a pies that is 10 inches is diameter. he has 9 people over and would like everyone to have a equal slice . how long is

the outside edge of each slice .
a) 3 inches
B) 3 31/63 inches
C)4
D)4 31/63
E) None of the above

1 answer:

krek1111 [17]3 years ago

4 0

3.14 inches so they each get a $\pi$ of pie

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Step-by-step explanation:

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$S=\sqrt{\frac{1}{n-1}\sum(x-\mu)^2}$

$S=\sqrt{\frac{1}{10-1}(20.1-45.74)^2+(21.7-45.74)^2+(23.2-45.74)^2+(24.0-45.74)^2+(30.9-45)^2}$

$\sqrt{(33.5-45.74)^2+(58.4-45.74)^2+(60.0-45.74)^2+(74.8-45.74)^2+(110.8-45.74)^2}$

$S=\sqrt{\frac{1}{9}(657.4+577.9+508.0+472.6+220.2+149.8+160.2+203.3+844.4+4232.8)}$ $S=\sqrt{\frac{1}{9}(8026.96)}$

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Variance = $S^2$

$=(29.8644)^2$

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6 0

3 years ago