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2 years ago

7

Find the slope of the graph.

2 answers:

Alchen [17]2 years ago

4 0

Answer:

the slope is 5/3

Step-by-step explanation:

rise over run. rise 5 times run 3 times

serg [7]2 years ago

3 0

So you can easily find slope by using rise over run (rise/run). Find 2 perfect points and count. (0,-1) and (3,4)
Rise (up) 5, run (left) 3. So 5/3 is the slope.

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The cost of renting ice skates at a skating rink is $1.25. The rink charges $3.25 for each hour, x, of skating. Which graph best

posledela

Answer:

A

Step-by-step explanation:

Since the total cost at first will not be 5 exactly, it will turn to 4.5 (4.50). And it will be just below the five, at the first hour. And then from there, just add 3.25 each hour and forget about the 1.25 since 1.25 is used for the beginning only, and not the rest.

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2 years ago

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A function is shown.<br><br> f(x)=−3⋅4x<br> What is the value of x when f(x) = −48?

galben [10]

Answer:

576

Step-by-step explanation:

Whenever you are solving these types of problems, you just put the value given in place of x. For this equation you would have done f(48)=-3·4(48)

6 0

2 years ago

LOTS OF POINTS <br> Simplify the expression by factoring, showing the steps in your work

julia-pushkina [17]

Answer:

$\frac{3x+7}{4x+1}$

Step-by-step explanation:

$\frac{12x^2+31x+7}{16x^2+8x+1}$

First you factor $12x^2+31x+7$ :

$=\left(12x^2+3x\right)+\left(28x+7\right)$

Then you factor out $3x$ from $12x^2+3x$ :

$12x^2+3x$

$=12xx+3x$

$=3\cdot \:4xx+3x$

$=3x\left(4x+1\right)$

Then you factor out 7 from $28x+7$ :

$28x+7$

$=7\cdot \:4x+7$

$=7\left(4x+1\right)$

$=3x\left(4x+1\right)+7\left(4x+1\right)$

Factor out common term $4x+1$ :

$=\left(4x+1\right)\left(3x+7\right)$

$\frac{\left(4x+1\right)\left(3x+7\right)}{16x^2+8x+1}$

Factor $16x^2+8x+1$ :

$=4^2x^2+8x+1$

$=4^2x^2+8x+1^2$

$=\left(4x\right)^2+8x+1^2$

$=\left(4x\right)^2+2\cdot \:4x\cdot \:1+1^2$

Use the perfect square formula:

$=\left(4x+1\right)^2$

$\frac{\left(4x+1\right)\left(3x+7\right)}{\left(4x+1\right)^2}$

Cancel out common factor $4x+1$ :

$=\frac{3x+7}{4x+1}$

8 0

2 years ago

Fill in missing numbers in chart. state the rule

tester [92]

On the left side, the blank is 22, but I am clueless on the right side

3 0

2 years ago

Read 2 more answers

Some smart people here know the answer, plz? Thank you!

Maurinko [17]

Answer:

1>233B+23 =28.32

Step-by-step explanation:

Hope This Helps

6 0

2 years ago