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Mathematics, 06.05.2022 03:30 pc103919

From a height of 256 feet above a lake on a cliff, Mikaela throws a rock out over the lake. The height of the rock + seconds after Mikaela throws it is represented by the equation H=-16t2 + 32+ + 256. To the nearest tenth
of a second, how long does it take the rock to reach the lake below? (Hint: replace h with 0)

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