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Slav-nsk [51]
3 years ago
5

6. If linear combination is the method used to solve this system of equations, what is the result of the first step?

Mathematics
1 answer:
Lemur [1.5K]3 years ago
6 0

Answer:

the answer is B

Step-by-step explanation:

x + x = 2x

y - y = 0

6 + 2 = 8

2x = 8

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A construction company purchased 96 tons of marble. The price was $72 per ton. What was the approximate price of the marble?​
IrinaK [193]
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7 0
3 years ago
You are making several purchases from the b-better electronics store. You can buy from this store online or in a physical store.
alexandr402 [8]

Answer:

Online Ordering is better.

Step-by-step explanation:

So you now that you save 20% if you to physical store and you save $20 if you go to the online store.

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3 0
3 years ago
R/3+2=21 solve for r
olchik [2.2K]

Answer:

r=63

Step-by-step explanation:

Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :

                    r/3-(21)=0             r

Simplify   —

           3

r    

 — -  21  = 0

 3     2.1   Subtracting a whole from a fraction

Rewrite the whole as a fraction using  3  as the denominator :

         21     21 • 3

   21 =  ——  =  ——————

         1        3  

Equivalent fraction : The fraction thus generated looks different but has the same value as the whole

Common denominator : The equivalent fraction and the other fraction involved in the calculation share the same denominator

7 0
3 years ago
Simplify the expression and combine like terms. 3(x-2)-2(x+1)3(x−2)−2(x+1)
Nady [450]

Answer:

6x^2+7x+4

Step-by-step explanation:

Explanation is in photo

6 0
2 years ago
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