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balandron [24]
2 years ago
11

A car dealership owner created a data table to see how many new and used cars were sold over several months.

Mathematics
2 answers:
Svetlanka [38]2 years ago
5 0

Answer:

The range would be 75

Step-by-step explanation:

It's right on Edge! :3

Studentka2010 [4]2 years ago
5 0

Answer:

75

Step-by-step explanation:

edg

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Factor the expression 18x+3 using the GCF.
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Each year, the Department of Water Works measures the chloride concentration level in the water. The first year, they found the
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Helppp please I’m desperate
IRINA_888 [86]
The elimination method works by adding the two equations and eliminating one variable. Then you solve an equation in one variable. Finally, you use substitution or elimination again to find the other variable. Sometimes, by simply adding the equations, a variable is not eliminated. Then you need to multiply one or both equations by a factor to get a variable to be eliminated.

A)
2x - 4y = 8
x + 3y = -11

Adding the equations does not eliminate x or y.
Notice that in the first equation, every coefficient is even. We can divide both sides of the first equation by 2. Then the first term would be x. Instead, let's divide both sides of the first equation by -2. Then the x's will be eliminated.

-x + 2y = -4   <-- The first equation divided by -2
x + 3y = -11  <-- The original second equation. Now we add the equations.
----------------
      5y = -15

        y = -3

Now that we know y = -3, we substitute it into the first original equation and solve for x.

2x - 4y = 8

2x - 4(-3) = 8

2x + 12 = 8

2x = -4

x = -2

Answer: x = -2; y = -3

B)
We see that the x's will be eliminated by addition. Just add the equations.

-3x + 7y = 9
 3x  - 7y = 1
---------------
   0 + 0   = 10

0 = 10  <---- this is a false statement, so this system of equations has no solution.
7 0
3 years ago
What is the additive inverse of the number 3
Sever21 [200]
The inverse version of a number is it's opposite. The opposite of 3 is -3
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2 years ago
Read 2 more answers
Write each mixed number as a percent: 2.65
kondaur [170]

Answer:

2.65

Step-by-step explanation:

2.65 as a percent is 265%. To convert 2.65 to a percentage, multiply the number 2.65 by 100

8 0
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