Posted by **ROCKY** on Thursday, July 28, 2011 at 12:17pm.

if a stone is tossed from the top of a 310 meter building, the height of the stone as a function of time is given by h(t)=-9.8t^2-10t+310. where t is in seconds, and height is in meters. After how many seconds will the stone hit the ground? Round to the nearest hundredth's place; include units in your answer.

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