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Nikitich [7]
3 years ago
13

Tell whether the following equation has one, zero, or infinitely many solutions.

Mathematics
1 answer:
kipiarov [429]3 years ago
3 0

Answer:

Option C: One solution

Step-by-step explanation:

5x + 6 = 2 + 3x

Subtract 3x from both sides;

2x + 6 = 2

Subtract 6 from both sides;

2x = -4

Divide both sides by 2;

x = -2

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Select the correct answer from each drop-down menu. A self-service car wash charges $4 for the initial 5 minutes plus an additio
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Answer: For m\geq15

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Nick does not has enough money to follow this recommendation.

Step-by-step explanation:

Given: A self-service car wash charges $4 for the initial 5 minutes plus an additional $0.75 for each minute after that.

Let y be the cost for car wash for m minutes then

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Also, A car enthusiast magazine recommends spending at least 15 minutes to properly wash a car.

For m\geq15

\\\Rightarrow\ y=4+0.75(m-5)\geq4+0.75(15-5)\\\Rightarrow\ y\geq4+0.75(10)\\\Rightarrow\ y\geq4+7.5\\\Rightarrow\ y\geq11.5

But Nick has $10 which is less than $11.5, so he does not has enough money to follow this recommendation.

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I not sure but I think it's A

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