anonymous
  • anonymous
a ball is thrown from an initial height of 3 meters with an initial upward velocity of 15 m/s. The ball's height h ( in meters) after t seconds is given by the following h=3 + 15t - 5t2 find all values of t for which the ball's height is 8 meters
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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random231
  • random231
Heyy there! welcome to openstudy.
random231
  • random231
first you need to find out the actual height that you need to calculate from the given equation.
anonymous
  • anonymous
8 meters

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random231
  • random231
nope thats the total height. the actual height would be 8-3=5 meters
random231
  • random231
then put it on the other side of the equation and solve it fot 't'
IrishBoy123
  • IrishBoy123
@paygeaspenG just go ahead and solve for \(h(t) = 8\)
IrishBoy123
  • IrishBoy123
so you are solving \[3 + 15t - 5t^2 = 8\]

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