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29-03-2015
Mathematics

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h(t)=-16t^2+128t+144 what is the hight of the object at 3seconds

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Panoyin Panoyin

30-03-2015

h(t) = -16t² + 128t + 144
h(3) = -16(3)² + 128(3) + 144
h(3) = -16(9) + 384 + 144
h(3) = -144 + 384 + 144
h(3) = 240 + 144
h(3) = 384

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