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Ksivusya [100]
3 years ago
14

Which simplified fraction is equal to 0.1ModifyingAbove 7 with bar? StartFraction 9 Over 17 EndFraction StartFraction 8 Over 45

EndFraction StartFraction 17 Over 9 EndFraction StartFraction 16 Over 90 EndFraction Please help i will give you brainliest
Mathematics
1 answer:
Kazeer [188]3 years ago
8 0

Answer:

  8/45

Step-by-step explanation:

Define x to be the value of your fraction:

  x=0.1\overline{7}\\\\10x=1.7\overline{7}\qquad\text{multiply by 10}\\\\10x-x=1.7\overline{7}-0.1\overline{7}=1.6\\\\x=\dfrac{1.6}{9}=\dfrac{8}{45}\qquad\text{divide by 9; put in lowest terms}

____

When in doubt, you can use your calculator to see which fraction gives you 0.1777777778.

_____

We multiplied by 10^1 above, because there is 1 repeating digit. The power of 10 we use matches the number of repeating digits.

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