milanawinters milanawinters

13-12-2014
Mathematics

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How is infinite .99999999999 equal 1? (explain)

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konrad509 konrad509

13-12-2014

[tex]x=0.\overline{9}\\ 10x=9.\overline{9}\\ 10x-x=9.\overline{9}-0.\overline{9}\\ 9x=9\\ x=1[/tex]

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0070161334 0070161334

13-12-2014

The way I got taught was you have to round it up and that would equal ten but you take out the zero

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