333sophia 333sophia

24-09-2018
Mathematics

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Express the decimal into fraction show work 0.777...

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konrad509 konrad509

24-09-2018

[tex]x=0.\overline{7}\\\\10x=7.\overline{7}\\\\10x-x=7.\overline{7}-0.\overline{7}\\\\9x=7\\\\x=\dfrac{7}{9}[/tex]

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