Find all values of t for which the ball's height is 13 feet


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A ball is thrown from an initial height of 3 feet with an initial upward velocity of 27ft/s. The ball's height h (in feet) after t seconds is given by the following: h=3+27t-16t^2 

Jun 3rd, 2015

Please let me know if you need any clarification. I'm always happy to answer your questions.

Please let me know if you need any clarification. I'm always happy to answer your questions.

You can solve this equation quadratically by plugging in 13 for h which leaves you with the equation:

13 = 3 + 27t - 16t^2

Solving for t gives you t = 0.5489 and t = 1.139.

Please let me know if you need any clarification. I'm always happy to answer your questions.Please let me know if you need any clarification. I'm always happy to answer your questions.
Jun 3rd, 2015

Thank you so much!!

Jun 3rd, 2015

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Jun 3rd, 2015
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Jun 3rd, 2015
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