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OpenStudy (anonymous):
a ball is thrown into the air with an initial upward velocity of 45 ft/s. its height in feet after seconds is given by the function h=-16t+45t+6. after about how many seconds will the ball hit the ground? please help
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OpenStudy (asnaseer):
when the ball hits the ground - what will its height above the ground be?
OpenStudy (anonymous):
when will the ball hit the ground?
OpenStudy (asnaseer):
First try to answer this: what will be the height of the ball above the ground when it actually hits the ground?
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