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zmey [24]
2 years ago
11

How do you do 4/5x-.4 repeating?

Mathematics
1 answer:
ollegr [7]2 years ago
3 0
We use the algebraic way for this:
0.0¯4=x we manipulate the equation by multiplying it by 10 and 100.
0.¯4=10x
4.¯4=100x
We subtract the second equation from the third equation to get:
<span>4=90<span>x 
</span></span>Therefore, 
<span>490=x</span> or
<span>245=<span>x
so the answer is</span></span>

2/45

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