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choli [55]
3 years ago
4

Mr. Knotts found the difference of the following expression. Which statement is true about Mr. Knotts’s work? StartFraction x Ov

er x squared minus 1 EndFraction minus StartFraction 1 Over x minus 1 EndFraction Step 1: StartFraction x Over (x + 1) (x minus 1) EndFraction minus StartFraction 1 Over x minus 1 EndFraction Step 2: StartFraction x Over (x + 1) (x minus 1) EndFraction minus StartFraction 1 (x + 1) Over (x + 1) (x minus 1) EndFraction Step 3: StartFraction x minus x + 1 Over (x + 1) (x minus 1) EndFraction Step 4: StartFraction 1 Over (x + 1) (x minus 1) EndFraction
Mathematics
2 answers:
MrRa [10]3 years ago
8 0

Answer: C

In step 3, he did not distribute the negative sign when he subtracted.

hodyreva [135]3 years ago
5 0

Answer:

C

Step-by-step explanation:

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The sale the company must make and sell to break even is;

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<h3>How many helmets must the company make and sell to break even?</h3>

Generally, the equation for the break even  is mathematically given as

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CQ

A company plans to sell bicycle helmets for $26 each. The company's business manager estimates that the cost, y, of making x helmets is a quadratic function with a  y-intercept of 8,400 and a vertex of (500, 15,900). How many helmets must the company make and sell to break even?

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Rudiy27

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