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At time $t=0,$ a ball is thrown downward at 24 feet per second from a height of 160 feet above the ground. The equation 

$h = -16t^2 - 24t +160$

 describes the height (in feet) of the ball. In how many seconds will the ball hit the ground? Express your answer as a decimal.

 Apr 9, 2020
 #1
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The ball will hit the ground in 3.6 seconds.

 Apr 11, 2020

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