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Mathematics, 26.01.2020 15:31 liyahheadhigh

H(t)=-16t^2+24
so i have to find how long (in seconds) it will take a tool to fall to the ground from a height of 24 feet. i am using the equation h(t)=-16t^2+24 to find it but i'm not sure how to solve it or where to even get started! any would be great you!

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H(t)=-16t^2+24
so i have to find how long (in seconds) it will take a tool to fall to the grou...
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