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ahrayia [7]
2 years ago
13

A window has the shape of a rectangle with a semicircle at the top.

Mathematics
1 answer:
Sidana [21]2 years ago
7 0

Answer:

8+pi/2

Step-by-step explanation:

The area of the rectangle on the bottom is 8, or 2*4. The area of the top is half (because it's a semi circle) of pi*r^2, or just 1/2 pi

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3 years ago
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Morgarella [4.7K]

Answer:

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Step-by-step explanation:

1.)

the mean would be something like 460*.16= 73.6

The variance should be 460*.16(1-.16)= 61.824 which means the standard deviation is √61.824= 7.863

for p to be less than .15 it would have to be less than .15*460= 69

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the mean is 2.3

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I am thinking that it's three which would mean that the standard deviation would be √(3²*(1/5))= 1.342

(2-2.3)/1.342= -.22 = .4129

5 0
3 years ago
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Answer:

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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3 years ago
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Step-by-step explanation:

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