Mathematics, 29.11.2021 04:40 gamerdoesart

The equation $y = -4.9t^2 + 23.8t$ describes the height (in meters) of a projectile launched from the ground at 23.8 meters per second. In how many seconds will the projectile first reach 28 meters in height?

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The equation $y = -4.9t^2 + 23.8t$ describes the height (in meters) of a projectile launched from th...