SOLUTION: how do solve and graph -40 < -5r
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Question 238396
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how do solve and graph -40 < -5r
Answer by
checkley77(12844)
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-40 < -5r
-40/-5>R (NOTE: HE < SIGN CHANGES TO A > SIGN WHEN DIVIDING BY A NEGATIVE VALUE).
8>R
PROOF:
LET R=7.9
-40<-5*7.9
-40<-39.5