anonymous
  • anonymous
A firecracker shoots up from a hill 165 feet high with an initial speed of 110 feet per second. Using the formula H(t) = −16t2 + vt + s, determine how long it will take the firecracker to hit the ground
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
solve \[-16t^2+110t+165=0\] for t
anonymous
  • anonymous
i would use the quadratic formula and a calculator
anonymous
  • anonymous
well actually i would just cheat http://www.wolframalpha.com/input/?i=16t^2-110t-165%3D0 looks like about 8.14 seconds

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anonymous
  • anonymous
k thx
anonymous
  • anonymous
yw

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