jrusso02 jrusso02

18-01-2016
Mathematics

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what is 3d − 7d + 2.8 < 5.8 − 27

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Billymkhoi Billymkhoi

18-01-2016

3d -7d+ 2.8 < 5.8 -27
⇒ -4d+ 2.8 < 5.8 -27
⇒ -4d < 5.8 -27 -2.8
⇒ -4d < -24
⇒ d > (-24)/(-4)
⇒ d > 6

Final answer: d > 6~

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