Question 260445
a ball is thrown downward from a window in a tall building. the distance, d, fallen after t seconds is d=16t2(squared) + 32t where d is in feet. how long (to the nearest tenth) will it take the ball to fall 110 feet?
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16t^2 + 32t = 110
8t^2 + 16t - 55 = 0
*[invoke solve_quadratic_equation 8,16,-55]
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Ignore the negative number
1.8 seconds