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VashaNatasha [74]
3 years ago
6

You paint 1313 of a wall in 1414 hour. At that rate, how long will it take you to paint one wall?

Mathematics
1 answer:
andre [41]3 years ago
5 0
You paint 1313 of a wall in 1414 hour. 
Now we need to find the rate in order you to paint one wall.

1313 : 1414 = 1 : X
1414 = 1313 X
X = 1.08

<span>So the rate per one wall is 1.08 hours.</span>
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Sophia earns $9 an hour at a Mort's Pizza Palace, working 20 hours per week.
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153/9 = 17

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Ou have traveled 25 miles in 2 minutes and come to a standstill. What was your initial velocity?
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What type of triangle is shown below
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F(x)= <br><img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B4x%20-%207%7D%7B10%7D%20" id="TexFormula1" title=" \frac{4x - 7}{10} "
Naily [24]

Answer:

To find f-¹(x) of f(x) equate f(x) to y

That's

f(x) = y

So we have

y =  \frac{4x - 7}{10}

Next interchange the variables that's x becomes y and y becomes x

That's

x =  \frac{4y - 7}{10}

Next make y the subject

Cross multiply

We have

4y - 7 = 10x

Move -7 to the right side of the equation

4y = 10x + 7

Divide both sides by 4

We have the final answer as

y =  \frac{10x + 7}{4}

So

f ^{ - 1} (x) =  \frac{10x + 7}{4}

Hope this helps you

7 0
3 years ago
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