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Mathematics 16 Online
OpenStudy (alfordabby):

Solve for v. -12v >10/3

OpenStudy (alfordabby):

i know the first step is to divide v. but how do i do that on the 10/3 side??

OpenStudy (jiteshmeghwal9):

\[-12v>\frac{10}{3}\]divide both sides by 12 & finally multiply bth sides by -1. Also remember the fact tht after multiplying by -1 we reverse the inequality sign ie; > becomes < & < becomes >

OpenStudy (mathmale):

Actually, I'd say your first step is to MULTIPLY. Multiplying -12v >10/3 by 3 will remove fractions. Please try that. Next step: solve for v.

OpenStudy (alfordabby):

can someone help me work through the steps haha sorry im really bad at math

OpenStudy (mathmale):

Please drop that "really bad at math" thing. It doesn't help you at all, and it doesn't help me. Multiply -12v >10/3 by 3: Multiply -12v by 3 and then multiply 10/3 by 3. In the latter case you can cancel the 3 in the numerator and denominator.

OpenStudy (mathmale):

\[-12v>\frac{10}{3}\]

OpenStudy (mathmale):

is a bit clearer. If you multiply the fraction on the right side by 3, this fraction becomes just 10. Try it, please.

OpenStudy (alfordabby):

so -36v>10 ??

OpenStudy (mathmale):

Yes. Now divide both sides by -36. When working with an inquality, such as you have here, if you mult. or div. by a negative quantity, such as -36, you MUST change the direction of the inequality sign. Go ahead. Divide both sides by -36 and then change the direction of the inequality sign.

OpenStudy (alfordabby):

v<-3.6 ?

OpenStudy (mathmale):

Yes, that's great. This all goes to show that you do indeed know and understand a good deal of math and should not be running yourself down with "sorry im really bad at math" comments.

OpenStudy (mathmale):

Take care. See you.

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