kim19929 kim19929
  • 17-12-2016
  • Mathematics
contestada

h(t)=-16t^2+128t+144 how do you solve this????????????

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davidyangnyc
davidyangnyc davidyangnyc
  • 17-12-2016
divide everything by 16
-t^2 + 8t + 9
(-t + 9)(t + 1)
t= -1, 9
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