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Algebra
Pregunta

A basketball player's hang time is the time spent in the air when shooting a basket. The formula $$t = \frac { \sqrt { d } } { 2 }$$ models hang time, $$t$$ , in  seconds, in terms of the vertical distance of a player's jump, d, in feet. When a particular player dunked a basketball, his hang  time for the shot was approximately $$1.28$$ seconds. What was the vertical distance, d, of his jump, rounded to the nearest tenth?