babygirlali babygirlali

16-08-2018
Mathematics

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about 70,000 people live in a circular region with a 30-mile radius. find the population density in people per square mile.

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zandriasalmon zandriasalmon

16-08-2018

Solve for the area of the circular region first:

A = pi*r^2

A = pi*(30 mi)^2

A = 2827.43 mi^2

Density = 70000 people/2827.43 mi^2

Density = 24.76 = 25 people/mi^2 <--ANSWER Plz vote brainnliest

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