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Mathematics, 29.06.2019 02:40 gggghhhhhhhhhhhh
The function f(t)= -5t^2+20t +60 models the approximate height of an object t seconds after it is launched. how many seconds does it take the objects to hit the ground?
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The function f(t)= -5t^2+20t +60 models the approximate height of an object t seconds after it is la...
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