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College Algebra

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The distance, d, in feet that an object falls in t seconds is modeled by the formula d=16t(2) if you dive from a height of 128 feet, how long will it take to hit the water? (answer may be in simplified radical form).

  • College Algebra -

    just solve

    16t^2 = 128
    t^2 = 8
    t = √8 = 2√2

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