Find the perimeter. note that the arc represents a semicircle use 3.14

Mathematics

1 answer:

dlinn [17]3 years ago

5 0

Length of the arc = 1/2 πD = 1/2 x 3.14 x 6 = 9.42 yd

Perimeter = 9.42 + 6 + 6 + 6 = 27.42 yd

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Answer: 27.42 yd
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$3.804\times \:\:10^7+2.606\times \:\:10^7\:=10^7\times \:\:6.41$

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Step-by-step explanation:

The population of California is approximately 38,040,000.

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Writing the population of California i.e.38,040,000 in scientific notation by moving the decimal point 7 places to the left and dropping the 0's on the right side as they're after the decimal point now.

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$3.804\times \:10^7+2.606\times \:10^7$

$\mathrm{Add\:similar\:elements:}\:10^7\times \:3.804+10^7\times \:2.606=10^7\times \:6.41$

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$3.804\times \:\:10^7+2.606\times \:\:10^7\:=10^7\times \:\:6.41$

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