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Tcecarenko [31]
2 years ago
10

prisms A and B are similar. The cross sections are shaded. area of the cross section of A: area of the cross section of B= 9:16.

Work out the area of the cross section of B
Mathematics
1 answer:
Stells [14]2 years ago
5 0

Answer:

i neeeeeeeeeeeeeed helppppppppppp

Step-by-step explanation:

helpppppppppppppppppppppp

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n

d

a

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h

a

t

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If it is assumed that the heights of men are normally distributed with a standard deviation of 2.5 inches, how large a sample sh
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30 men

Step-by-step explanation:

In order to be sure that the sample mean does differ from the population mean by more than 0.90, the sample size (n) that should be used is given by:

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Where 'Z' , for a 95% probability is 1.960, 's' is the standard deviation of 2.5 inches:

0.90 > 1.960\frac{2.5}{\sqrt{n}}\\n >(\frac{1.960*2.5}{0.9})^2\\n>29.64

Rounding up to the nearest whole number, the sample size should be at least 30 men.

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  compare the distance between the lines at one point to the distance between the lines at another point

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You can construct perpendiculars at different points and compare the distance between the lines at those perpendiculars. The distance between parallel lines is the same everywhere.

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A boeing-747 is flying from New York City to Los Angeles. It leaves La Guardia Airport in NYC at 9:20am with an expectred arriva
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20 ounces would be 1.25 pounds.

Please mark as brainliest! Thanks! If you need anymore help just let me know! :)

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