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yanalaym [24]
3 years ago
15

What is the solution of the system? Use elimination.

Mathematics
1 answer:
Anit [1.1K]3 years ago
6 0
Note that if we add each side of the 2 equations, y will cancel out:

-12x-y+(17x+y)=6+4

5x=10

x=2


Substituting x=2 in either of the equations, we find the value of y.

Let's use the first equation:

-12x-y=6

-24-y=6

-y=24+6

-y=30, so y=-30.

Thus, the solution is (2, -30)

Answer: C
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14

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One of my cats, Apollo, drives a cat car. He used 6/8 of a tank of gas to visit his friends for the weekend, and another 1 half
Arlecino [84]

Answer:

Total gas used = 3/2 of a tank of gas

Step-by-step explanation:

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7 0
3 years ago
Joe went on holiday to Spain.
Hunter-Best [27]
Answers:

a. £2,090
b. My answer would be less because my total in euros would be divided by a greater number when converting euros to pounds.

Work for part a:

Apartment: 560•3= 1680 euros

Car: 20.16•15= 302.4 euros

1680+302.4=1982.4

1982.4/1.12 = £x/1

1982.4 / 1.12= £1,770

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Work for part b:
Example:
(instead of 1.12 I put 2 to see what would happen with a greater number)
1982.4 / 2 = 991.2

991.2 is less than 1,770 (the answer I got with 1.12)

Let me know if you need any clarification! :)
7 0
3 years ago
How do you do this ? Anyone who know how and can explain this
Murrr4er [49]

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G. 105.

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Percentage of cars with  3 or more people

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= 105.

3 0
2 years ago
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