3 years ago

PLEASE HELPP:

Mathematics

2 answers:

kykrilka [37]3 years ago

8 0

It is 4.87 per visit

kirill [66]3 years ago

3 0

The correct answer to your question is "A".

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X+3y=3<br> 2x-4y=6<br><br> solve the equations

Gelneren [198K]

Subtract the second equation from double the first equation:

2x+6y-2x-(-4y)=0

10y=0

Therefore, y=0. Substituting this into the first equation, we see that:

x+3(0)=3

x=3

Therefore, x=3. The solution to this system is x=3, y=0, or (3, 0).

4 0

2 years ago

Read 2 more answers

9. If y = 30 when x = 7, find x when y = 12.

Marianna [84]

I have my work at the bottom but to explain you have to divide 30/12, and I got 2.5. That means 30 is 2.5 times bigger than 12. Because we have to find x, we have to divide 7/2.5, to find what is 2.5 times smaller than 7. That’s 2.8. So, x= 2.8