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A ball is launched from a 69.92-foot tall platform. The equation for the ball's height h at time t seconds after launch is h (t) = -16t2 + 6.4t+69.92, where h is in feet. When does the object strike the
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A ball is launched from a 69.92-foot tall platform. The equation for

the ball's height h at time t seconds after launch is h (t) = -16t2 +
6.4t+69.92, where h is in feet. When does the object strike the
ground?

User Hot Cool Stud
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Refer to the attached image.
A ball is launched from a 69.92-foot tall platform. The equation for the ball's height-example-1
User Waterproof
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