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Gemiola [76]
3 years ago
11

What is 2r+7+r=? I'm not sure

Mathematics
2 answers:
Alexus [3.1K]3 years ago
7 0
2r + 7 + r = ?

Combine like terms.

(2r + r) + 7 

Simplify.

3r + 7 

~Hope I helped!~
marissa [1.9K]3 years ago
5 0
3r+7 I think...........
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Factorise fully : 12x-8 <br> please help :(
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Answer:

-96 :)

Step-by-step explanation:

12 x (-8) = -96

if there is one negative in the problem the answer will be negative.

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Explain, with at least 2 complete sentences, how to determine if a graph is a function or not.
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8 0
3 years ago
Brand X costs $1.65 for 11 ounces. Brand Y costs 2 cents more per ounce. What is the cost of 15 ounces of brand Y?
34kurt

Answer:

$2.25

Step-by-step explanation:

You can find the answer by setting up a simple equation.

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we can find the cost of one ounce of Brand X by using division

1.65/11

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this means that for every ounce of Brand X, it costs 15 cents

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8 0
2 years ago
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A line with a slope of 2 passes through (3,9). Which choice is an equation of this line?
Veronika [31]

Answer:

The answer to your question is number 3.

Step-by-step explanation:

Data

slope = m = 2

Point = (3, 9)

Process

1.- Write the equation of the line in the form point-slope

               y - y1 = m(x - x1)

2.- Identify the values of x1 and y1

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3.- Substitution

               y - 9 = 2(x - 3)

4.- Simplify

              y - 9 = 2x - 6

              y = 2x - 6 + 9

5.- Result

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6 0
3 years ago
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AlexFokin [52]

Answer:

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Step-by-step explanation:

3 0
3 years ago
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