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Gennadij [26K]
4 years ago
9

Kim's teacher has marked this problem as one to recheck, but Kim cannot determine what she has done incorrectly. Identify Kim's

error and write a correct solution.
Six less than 2 times a number is 50. What is the number?

2x – 6 = 50 (line 1)

2x – 6 – 6 = 50 – 6 (line 2)

2x = 44 (line 3)

2x ÷ 2 = 44 ÷ 2 (line 4)

x = 22 (line 5)

Mathematics
1 answer:
just olya [345]4 years ago
6 0
In line 2 she should have added 6 to each side not subtracted it from each side like this

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Using the given linear function, it is found that the slope is of 73, which means that for each traffic ticket, the cost of car insurance increases by $73.

<h3>What is a linear function?</h3>

A linear function is modeled by:

y = mx + b

In which:

  • m is the slope, which is the rate of change, that is, by how much y changes when x changes by 1.
  • b is the y-intercept, which is the value of y when x = 0.

In this problem:

  • x represents the number of traffic tickets.
  • y represents the cost of car insurance.

The function is:

y = 73x + 146.53

Hence the slope is of 73, which means that for each traffic ticket, the cost of car insurance increases by $73.

You can learn more about linear functions at brainly.com/question/25823744

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2 years ago
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Answer this math problem and you will get points
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4 years ago
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Step-by-step explanation:

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Step-by-step explanation:

Let t represent the volume of the tank in gallons. Then we have ...

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  15(8/5) = (8/5)(5/8)t . . . . . . . . . multiply by 8/5 (the inverse of 5/8)

  24 = t

The tank holds 24 gallons.

5 0
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