Mathematics, 25.07.2019 02:10, anniekwilbourne

The equation $y = -16t^2 + 80t$ describes the height (in feet) of a projectile launched from the ground at 80 feet per second. at what $t$ will the projectile reach 36 feet in height for the first time? express your answer as a decimal rounded to the nearest tenth.

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The equation $y = -16t^2 + 80t$ describes the height (in feet) of a projectile launched from the gro...