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Mathematics 15 Online
OpenStudy (asrd98):

What is the solution to the inequality |2n+5|>1 –3 > n > –2 2 < n < 3 n < –3 or n > –2 n < 2 or n > 3

OpenStudy (rzlearner):

well why don't we try substituting some numbers in for N to see if it corresponds to any of the answers? :) but im a bit weirded out by the first one thought bc its saying n is less than-3 but greater than -2 which seems like an impossibility so im eliminating the first choice as an answer...

OpenStudy (meshuggah):

the first answer is just inferring that n cannot equal 3 or 2.

OpenStudy (meshuggah):

cannot equal -3 or -2* typo

OpenStudy (rzlearner):

K now im stuck on this too...any number can be put in as N even 0 or a negative and you'd still end up with a quantity bigger than 0. I think you need to choose an inequality that includes all numbers

OpenStudy (rzlearner):

*bigger than 1

OpenStudy (rzlearner):

in that case I think the answer is the last one :) it'd be cool to draw a number line for it

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