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Mathematics 14 Online
OpenStudy (lifeisadangerousgame):

I need to graph the solution of this inequality and in order to do that I need to solve it first right? 14 ≤ 2t + 18 < 20

OpenStudy (cwrw238):

yes

OpenStudy (lifeisadangerousgame):

Could you show me how? I'm sorta lost here

OpenStudy (phi):

14 ≤ 2t + 18 < 20 is short hand for 2 inequalities 14≤ 2t+18 and 2t+18 < 20 Solve each for t: 14≤ 2t+18 (subtract 18 from both sides) -4≤ 2t (div by 2) -2≤ t 2t+18 < 20 (sub 18 from both sides) 2t < 2 (div by 2) t<1 now graph on a number line. |dw:1333556125478:dw|

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