eweeber eweeber

22-10-2017
Mathematics

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A rocket on a computer screen has a path modeled by the equation h=-t2+3t+10 where t is time in seconds and h is the height above a platform and is in computer units. Find how long the rocket takes to reach the platform.

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cupidghoul cupidghoul

22-10-2017

t=3+−4h+492,3−−4h+492t=\frac{3+\sqrt{-4h+49}}{2},\frac{3-\sqrt{-4h+49}}{2}t=23+√−4h+49,23−√−4h+49

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