3 years ago

Can someone help, please

1 answer:

const2013 [10]3 years ago

4 0

Area of the semicircle = 1/2(3.14)(6)² = 56.52 ft²

Area of the rectangle = 40 x 12 = 480 ft²

Area of the triangle = 1/2 x 12 x 5 = 30 ft²

Total Area = 56.52 + 480 + 30 = 566.52 ft²

Answer: 566.52 ft²

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Suppose that IQ scores have a bell-shaped distribution with a mean of 101 and a standard deviation of 12. Using the empirical ru

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standard deviation (b)=12

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Learn more about Empirical rule of IQ calculation here:

brainly.com/question/13077017

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