SOLUTION: A rock is thrown from the top of a tall building. The formula h = -16t + 234 describes the height of the rock, h in feet, t seconds after the rock is thrown. How long after the r
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Question 933493: A rock is thrown from the top of a tall building. The formula h = -16t + 234 describes the height of the rock, h in feet, t seconds after the rock is thrown. How long after the rock is thrown does it hit the ground?
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
The formula describes the of the rock, } in feet, seconds after the rock is thrown.
How long after the rock is thrown does it hit the ground?
Set to (since when height = 0, it'll hit the ground)and
solve for
so, the rock will hit the ground in seconds
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