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Nikolay [14]
2 years ago
10

Lisa made 300 doller in 6 hours. find the untit rate

Mathematics
1 answer:
Diano4ka-milaya [45]2 years ago
8 0

Answer:

Step-by-step explanation:

The unit rate is 50

Hope it helps

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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
PLEASE HELP ! (4/4) - 50 POINTS -
slega [8]

Answer:

The correct answer, again, is A; Z = -0.6

7 0
3 years ago
Edger needs 6 cookies and 2 brownies for every 4 plates how many cookies and brownies does he need for 10 plates
evablogger [386]

Answer:

Edger needs 15 cookies and 5 brownies.

Step-By-Step:

6 + 6 + 3 = 15

2 + 2 + 1 = 5

4 can go into 10, 2.5 times

6 0
2 years ago
Which equation represents a function? A. y2 + x = 6 B. y4 + x3 = 3 C. y – x2 = 4 D. y2 – x2 = 7 E. y2 + x2 = 7
valentinak56 [21]

Answer:

im pretty sure its b

Step-by-step explanation:

but somebody correct me if im wrong (:

6 0
3 years ago
What is the 28% of 349 multiplied by 7
Oxana [17]

Answer:

Step-by-step explanation:

<h2>E X P L A N A T I O N</h2>
3 0
3 years ago
Read 2 more answers
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