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25-06-2020
Mathematics

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The area of a square is increasing at a rate of 2 square feet a second. If the square started with an area of 4 square feet, how much time passes before the area of the square equals 16 square feet

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sqdancefan sqdancefan

02-07-2020

Answer:

6 seconds

Step-by-step explanation:

The area of interest increases from 4 square feet to 16 square feet, an increase of 12 square feet. Since the area increases by 2 square feet each second, the time required for it to increase 12 square feet is ...

(12 square feet)/(2 square feet/second) = 6 seconds

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