amylbleskcotleyett amylbleskcotleyett

12-09-2016
Mathematics

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what is the value of d? 2.2=1.4d 3.7−5.4d

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nobillionaireNobley nobillionaireNobley

13-09-2016

2.2 = 1.4d + 3.7 - 5.4d = 3.7 - 4d
4d = 3.7 - 2.2 = 1.5
d = 1.5/4 = 0.375

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