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Yuri [45]
3 years ago
10

How to simplify 0.111111111 repeating as a fraction

Mathematics
2 answers:
antiseptic1488 [7]3 years ago
6 0
Any numerical repeating pattern can be rationalized...let x=0.111 then:

10x=1.111 and upon taking differences:

10x-x=1.111-0.111

9x=1  then divide both sides by 9

x=1/9

(This method works for converting any repeating numerical pattern to a rational number) 
arlik [135]3 years ago
5 0
Depending on how many times it repeats, and I used 9 1's from your question, the answer would be 1/9.
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Solve 7x-4 = 5x+15 for x
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(- 25, 81) does not lie on the line

Step-by-step explanation:

We can use the slope m to determine if (- 25, 81) lies on the line or not

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m = ( y₂ - y₁ ) / ( x₂ - x₁ )

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m = \frac{0-81}{2+25} = \frac{-81}{27} = - 3

The slopes are not equal hence (-25, 81) does not lie on the line



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