Mathematics, 27.06.2020 03:01 xxkeyxx51

Sara is practicing her diving. Her height above the water, in meters, t seconds after she jumps off the diving board is given by the equation h (t) = -5t²+ 10t + 15. How many seconds does it take Sara to reach the water?

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Sara is practicing her diving. Her height above the water, in meters, t seconds after she jumps off...

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