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Mathematics, 10.02.2021 22:30 july00

The height of a ball is modeled by hx) = -16x^2+ 80x, where x is the number of seconds after the ball is hit. How long is the ball in the air in other words when will it hit the ground?

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The height of a ball is modeled by hx) = -16x^2+ 80x, where x is the number of seconds after the bal...
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