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Mathematics, 20.06.2020 18:57 hails271

Benjamin threw a rock straight up from a cliff that was 40 ft above the water. If the height of the rock h, in feet, after t seconds is given by the equation   h equals negative 16 t squared plus 12 t plus 40, how long will it take for the rock to hit the water

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Benjamin threw a rock straight up from a cliff that was 40 ft above the water. If the height of the...
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