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20-04-2017
Mathematics

contestada

Given: Z = 0.43Y + 12 ; What is Y when Z = 28

Respuesta :

20-04-2017

Z = 0.43Y + 12; Z = 28
28 = 0.43Y + 12; insert value of Z
16 = 0.43Y; subtract 12 from both sides
37.21 = Y; divide both sides by 0.43; rounded to nearest hundredth

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