ilikeinsta14
ilikeinsta14 ilikeinsta14
  • 13-11-2017
  • Mathematics
contestada

If x = 5, y = 3 and z = 2 then xz (4y - 2z) is 80 and 116

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Аноним Аноним
  • 13-11-2017
It is 80 because: (5)(2)((4)(3)-(2)(2)) = 10(12-4) = 10(8) = 80 
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altavistard
altavistard altavistard
  • 13-11-2017
Two different answers?  Please clarify this.

If x = 5, y = 3 and z = 2 then xz (4y - 2z) is (5)(2)(4[3] - 2[2])
                                                                 =  (10)(8) = 80

Doing this problem correctly hinges upon your following the appropriate Order of Operations rules (PEMDAS).
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