jacob12345lane jacob12345lane
  • 03-03-2017
  • Mathematics
contestada

The variable Z is directly proportional to X. When X is 12, Z has the value 228. What is the value of Z when X = 18

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samquinnd
samquinnd samquinnd
  • 03-03-2017
Z=Xk228=12kk=228/12k=19Z=18*19Z=342 57=3k57/3=k19=k again Z=8*19Z=152
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