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anonymous
 4 years ago
The function y=16t^2+384 models the height y in feet of a stone t seconds after it is dropped from the edge of a vertical cliff. How long will it take the stone to hit the ground? Round to the nearest hundredth of a second.
anonymous
 4 years ago
The function y=16t^2+384 models the height y in feet of a stone t seconds after it is dropped from the edge of a vertical cliff. How long will it take the stone to hit the ground? Round to the nearest hundredth of a second.

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anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Plug in 0 for y and then solve for t 0=16t^2+384

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0this is my answer 6.93 seconds is it correct?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.016t^2=384 t^2=24 \[t=\sqrt{24}\]

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0oh i miscalculated. thank you
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