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March 26, 2017

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I have two problems that I am not sure about how to work out.

1. The distance traveled by a falling object is given by the formula d=4.9t^2, where d is in meters and t is in seconds. Solve the formula for t.

2.The volume of a right circular cone is given by the formula V=1/3(pi)r^2h. Solve the formula for r in terms of V and h.

  • ALGEBRA - ,

    d = 4.9t^2
    get what you are solving for on one side and put everything else on the other side.
    Do that by simple algebra.
    Divide both sides by 4.9
    d/4.9 = t^2
    now take the square root of both sides.
    sqrt(d/4.9) = square root (t^2)= +/-t.

    You do the second one the same way.

  • ALGEBRA - ,

    THANKS WE HAVEN'T DONE THOSE PROBLEMS ALL YEAR!

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