anonymous
  • anonymous
A model rocket is launched with an initial upward velocity of 215 ft/s. The rocket's height h (in feet) after t seconds is given by the following. h=215t-16t^2 Find all values of t for which the rocket's height is 97 feet.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
|dw:1333167072210:dw|
anonymous
  • anonymous
97 = 215t - 16 t^2, solve equation ^2
anonymous
  • anonymous
h = 215t - 16t² Given h = 97. 97 = 215t - 16t² 0 = -16t² + 215t - 97 Solve.

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anonymous
  • anonymous
i got the answer, o.4370 or -13.8744 now how can i round this answer to the nearest hundredth

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