1 answer:
Answer:
Step-by-step explanation:
<u>Given</u>
<h3>Solution 1</h3>
<u>Substitute y in the first equation:</u>
- 4x + (-4x - 1) = 6
- 4x - 4x =6 + 1
- 0 = 7
Incorrect, therefore no solution
<h3>Solution 2</h3>
<u>Writing both equation as lines:</u>
As we see both lines have a same slope. It means they are parallel and no intersection.
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Answer:
√21/5
Step-by-step explanation:
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Answer: 77
Step-by-step explanation:
Answer:
0
Step-by-step explanation:
−2−(−4)−2
=2−2
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Irrational
the number is endless in its digits (much like pi) and thus is irrational
