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PilotLPTM [1.2K]
3 years ago
11

Please explain I don't know

Mathematics
2 answers:
egoroff_w [7]3 years ago
7 0
The correct answer would be irrational because 127 itself is irrational that square root is irrational
love history [14]3 years ago
3 0
This is rational because if you square 127 then you get about 11.26 that can be converted into a fraction that's how you know if it's a rational number.

Hope this helps!
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Answer:

A=-2

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Step-by-step explanation:

In order for the system of linear equations to have infinitely many solution, they must be the same equation.

Ax-y=8

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We need to choose A and B so they are the same equation.

I notice they are both in the same form but in the second column you have opposites;

the -y and y.

So im going to multiply either equation by -1 so that part is exactly the same.

Don't choose both; choose only one.

Let's multiply the first equation by -1.

Doing this gives us the following:

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-A=2 implies A=(opposite of 2) which is -2.

Conclusion:

A=-2

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