neshia4 neshia4

11-05-2016
Mathematics

contestada

the height h in feet of an airborne tee-shirt after being launched can be approximated by h=-15t^2+75t+10,0<t<10 find the times when the tee shirt will reach a fan 70 feet above ground level

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alisadekker alisadekker

11-05-2016

answer: at 2 secs and again at 5 secs

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