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11-04-2019
Mathematics

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The altitude of an airplane is decreasing at a rate of 42 feet per second. What is the change in altitude of the airplane over a period of 25 seconds?

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rommelabellera rommelabellera

11-04-2019

For every 1 second, the plane descends 42 feet. So in 25 seconds, the plane descends 1050 feet.

42 x 25 = 1050

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