3 years ago

I really need help. I'm failing this class guys

Mathematics

1 answer:

Aleonysh [2.5K]3 years ago

3 0

17. $2u +5.2 \leq 9.4 + u \\2u - u \leq 9.4 -5.2\\u \leq 4.2$

18. $3(f+2) > 2f + 4\\3f + 6 > 2f + 4 \\3f-2f > 4-6\\f > -2\\$ The answer is I.

19. $4 < 6b -2 \leq 28\\4+2 < 6b \leq 28+2\\6 < 6b \leq 30\\6/6 < b \leq 30/6\\1 < b \leq 5$

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