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Drupady [299]
2 years ago
14

If the cost, C, for manufacturing x units of a certain product is given by C=x²-10x+65, find the number of units manufactured at

a cost of $12,140.
There are_____manufactured at a cost of $12,140.
Mathematics
1 answer:
fenix001 [56]2 years ago
6 0

Answer:

115

Step-by-step explanation:

You solve this by factoring.

12140 = x^2-10x+65

0 = x^2-10x-12075

0=(x+105)(x-115)

The only positive solution is x=115

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