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    arriane29's Avatar
    arriane29 Posts: 2, Reputation: 1
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    #1

    Nov 30, 2010, 09:06 PM
    solving quadratic equations
    arriane29's Avatar
    arriane29 Posts: 2, Reputation: 1
    New Member
    		  
    #2

    Nov 30, 2010, 09:12 PM
    Quadratic function
    A long sheet of tin 20 inches wide is to be made into a trough by bending up two sides until they are perpendicular to the bottom. How many index should be turned up so that the trough will achieve its maximum carrying capacity?
    Unknown008's Avatar
    Unknown008 Posts: 8,076, Reputation: 723
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    #3

    Nov 30, 2010, 11:53 PM

    I guess that you mean a trough with no curve parts, or like this:

    |___|

    I think that there is information missing, namely the length of the trough...
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