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Mathematics 24 Online
OpenStudy (anonymous):

10|-3k + 2| <80 Solve each inequality?

OpenStudy (yttrium):

If you divide the whole equation by 10, what will happen @BleepBloopMath ?

OpenStudy (anonymous):

0.3k + 0.2 < 8?

OpenStudy (yttrium):

No. You can just cancel the 10 outside the abs value and divide 80 by 10. So what's the result?

OpenStudy (anonymous):

|-3k + 2| <8

OpenStudy (yttrium):

Correct.

OpenStudy (anonymous):

So then it becomes -3k + 2 <80 - 2 < -2 =3k < 78

OpenStudy (yttrium):

No. Since you have here an absolute value notation you must consider these two cases. -3k + 2 < 8 and -(-3k+2) < 8 So, what will happen now?

OpenStudy (yttrium):

@bleepbloopmath??

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