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Mathematics, 21.05.2021 01:00 leianagaming

Some freworks are fred vertically into the air from the ground at an initial speed of 80 feet per second. The equation for this object's height “h” at time “t” seconds after launch is h = -16t^2+ 80t. How long will it take the fireworks to reach the ground?

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Some freworks are fred vertically into the air from the ground at an initial speed of 80 feet per se...
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