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PIT_PIT [208]
3 years ago
11

an auto repair shop charges $25 an hour they say your muffler needs to be replaced for $65 it takes them 2.5 hours to fix your c

ar how much will the bill be
Mathematics
1 answer:
Levart [38]3 years ago
5 0

Answer: $130.50

Step-by-step explanation:

2.5 hours= $25 an hour

25+25+12.50=$62.50

Muffler=$65

65plus62.50

Total= $130.50

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Solve and graph the following inequality: 3(7x+17) > -19 + 14x
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Answer:

Solving the inequality we get: \mathbf{x>-7}

Step-by-step explanation:

We need to solve and graph the inequality 3(7x+17) > -19 + 14x

Solving:

3(7x+17) > -19 + 14x

Step 1: Multiply  3 with terms inside the bracket

21x+51 > -19 + 14x

Step 2:Subtracting 51 on both sides

21x+51-51 > -19 + 14x-51\\21x>14x-70\\

Step 3: Subtract 14x on both sides

21x-14x>+14x-70-14x\\7x>-70

Step 4: Divide both sides by 7

\frac{7x}{7}>\frac{-70}{7}\\x>-10

Solving the inequality we get: \mathbf{x>-7}

The graph is attached in the figure below.

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GarryVolchara [31]

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The answer is y= -1/3x-5

Step-by-step explanation:

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Step-by-step explanation:

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