Tiffani417 Tiffani417

22-05-2015
Mathematics

contestada

The height (h) of a stone, in meters, thrown into the air can be modeled by the equation h=-4.9t^2+20t+10, where t represents time in seconds. How many seconds will it take for the stone to hit the ground (h=0) after it is thrown into the air? Round your answer to the nearest tenths of a place.

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Stacie04 Stacie04

22-05-2015

Umm lets see 22.0
Thank you tiffani

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