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kaheart [24]
3 years ago
14

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

Mathematics
1 answer:
jolli1 [7]3 years ago
5 0
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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I think this is what you are looking for:

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b

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−

b

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(

4

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(

±

8

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=

±

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Hope that helps and sorry if it is confusing!

4 0
3 years ago
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