anonymous
  • anonymous
A water balloon is dropped from a height of 36 ffet. How long does the balloon take to reach the ground? Use the formula H = -16(t)(t) + 36 Can anyone figure out how to do this? Thanks
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
What does H represent?
anonymous
  • anonymous
hight
anonymous
  • anonymous
If H represents hight, then the balloon reaches the ground when H-=0. That's: \[-16t^2+36=0\] Solve for t, and this is what you'r looking for.

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anonymous
  • anonymous
Can you solve the equation?
anonymous
  • anonymous
\[-16t^2+36=0 \implies 16t^2=36 \implies t^2=9/4 \implies t=3/2, t=-3/2\] Take only the positive value of t. So, the balloon will take 3/2 (time unite) before reaching the ground.
anonymous
  • anonymous
thank you so much!
anonymous
  • anonymous
You're welcome. I hope that made sense to you.
anonymous
  • anonymous
it does now :)

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