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alisha [4.7K]
4 years ago
11

Need help solving this

Mathematics
2 answers:
Basile [38]4 years ago
8 0
Um..... just do 3×15 and add one
N76 [4]4 years ago
5 0
3x+15=42 and solve for x by subtracting 15 from both sides of the equation and then divide by 3 on both sides of the equation
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Harriet works 42 hours a week.
gtnhenbr [62]

Harriet works 42 hours a week. She gets paid £9.12 for each hour she works. An estimated amount Harriet gets paid in a week is £378

<h3>How to calculate the percent error?</h3>

Ssuppose the actual value and the estimated values after the measurement are obtained. Then we have:

Error = Actual value - Estimated value

Harriet works 42 hours a week. She gets paid £9.12 for each hour she works.

1 hour = £9.12

Estimated

£9 x 42 hours = 378

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£9.12 x 42 hours = 383.04

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2 years ago
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AVprozaik [17]

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3 years ago
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krok68 [10]

FORMULA:

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ANSWER:

We just have to plug the respective value.

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6 0
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o-na [289]
We can compare by converting Johnny's reading time into the same unit of Jacky's, hours.

There are 60 minutes in an hour, so use this:

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15 < 20, so Johnny read faster. This is 5 pages faster per hour than Jacky.
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nadezda [96]

Answer: 110 -10x

Step-by-step explanation:

You do pemdas

So 11•10 = 110

Then -10•x = -10x

And then you get

110-10x

8 0
3 years ago
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