SOLUTION: If the​ cost, C​, for manufacturing x units of a certain product is given by C=x^2-20x+55, find the number of units manufactured at a cost of $9955.
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Question 1067043: If the cost, C, for manufacturing x units of a certain product is given by C=x^2-20x+55, find the number of units manufactured at a cost of $9955.
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
9955=x^2-20x+55
x^2-20x-9900=0
(x-110)(x+90)=0
only positive root is x=110 units ANSWER
12100-2200+55=9955.
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