louieamezcua louieamezcua

20-02-2015
Mathematics

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Please help 175-75=400 divide Z equals to_______.

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Panoyin Panoyin

21-02-2015

175 - 75 = 400 ÷ z
   170 = 400 ÷ z
   170 = 400
   1 z
170 × z = 400 × 1
   170z = 400
   170z = 400
      170    170
   z = 2.352941176

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