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Math Help - maximum and minimum word problem

  1. #1
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    Angry maximum and minimum word problem

    I can't find anything online to help me with this one, hopefully someone can help.

    The base of a triangle is 5m less than twice the height. If the area is 90m(squared) how long is the base and height?
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  2. #2
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    Re: maximum and minimum word problem

    Let h be the height. Then the base is 2h-5. Area = (1/2)base*height, so


    \frac{1}{2}h(2h-5) = 90


    Solve for h.
    Thanks from Fishclaw
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