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docker41 [41]
3 years ago
11

Answers for both boxes please for 25 points!​

Mathematics
2 answers:
Semenov [28]3 years ago
7 0

Answer:

(-2,6)

Step-by-step explanation:

3x + 2y = 6

-3x + y = 12

3x + -3x = 0

2y + y = 3y

6 + 12 = 18

3y = 18

3y/3 = 18/3

y = 6

-3x + y = 12

-3x + 6 = 12

-3x = 12 - 6

-3x = 6

-3x/-3 = 6/-3

x = -2

Check the graph for proof

MrRa [10]3 years ago
5 0

Answer:

Step-by-step explanation:

you just need to add both equations

you will get 3y=12+6=18

3y=18

y=6

now replace y=6

3x+12=6

3x=6-12

3x=-6

x=-2

(-2,6)

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Answer:

The correct option is;

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Step-by-step explanation:

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D. Where c > 0, the equation x² - c = 0 can by the square root property as follows;

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Here I have a video that can answer your question 

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Answer:

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Step-by-step explanation:

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Answer:

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