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Burka [1]
2 years ago
14

Explain how to solve 4|3x-1|+1=8​

Mathematics
1 answer:
denis-greek [22]2 years ago
8 0

4|3x - 1| + 1 = 8

4|3x - 1| = 8 - 1

4|3x - 1| = 7

|3x - 1| = 7/4

Now lets think, we have 3x - 1 in module, so either its 7/4 or -7/4, we will have 7/4 at the end because of it, so we may have 2 solutions in this case:

3x - 1 = 7/4

and

3x - 1 = -7/4

So let's see:

3x - 1 = 7/4

3x = 7/4 + 1

3x = 11/4

x = 11/12

3x - 1 = -7/4

3x = -7/4 + 1

3x = -3/4

x = -1/4

So we have two possible answers, x = 11/2 and x = -1/4

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Eduardo’s average speed on his commute to work was 55 miles per hour. On the way home, he hit traffic and only averaged 40 miles
alekssr [168]

Answer:

40(1.25-t)

Step-by-step explanation:

There are 3 components to consider; time, speed and distance

Time and Speed are given.

The distance has to be calculated.

  • Speed to work = 55 miles per hour
  • Time to work = 1.25-T
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<u>Distance for trip to home</u>

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Total Distance = 40(1.25-t)

<em>Therefore, 40(1.25-t) is the correct answer.</em>

!!

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3 years ago
Read 2 more answers
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