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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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If g(x) = 2(x − 4), find the value of x if g(x) = 20
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Substitute for x.
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4 0
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3 years ago
I need help with this last question.
blondinia [14]

Answer:

Step-by-step explanation:

length=1 m

base of triangle=10 m

height=5m

volume= 1/2×10×5×1=25 m cube.

slant height l=√(5²+5²)=√50=5√2

slant surface area=2[5√2×1]=10√2

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8 0
3 years ago
A pair of basketball shoes was originally priced at $80, but was marked up 47.5%. What was the retail
Lelu [443]
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Since the price was increased, we add 1 to 0.475 to get 1.475.

80 * 1.475 = 118

Another way to solve this is to multiply 80 by 0.475, which is 38, then add it to 80.

The retail price of the shoes is $118.
6 0
3 years ago
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