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Mathematics 16 Online
OpenStudy (andijo76):

hello my name is emily im in high-school im a freshmen and i have a few questions to do on inequalities with one variable do you guys think you could help?

OpenStudy (rock_mit182):

sure

OpenStudy (andijo76):

\[9X \le27\]

OpenStudy (calculusxy):

This is the same thing as solving for the variable by itself. You are practically solying for 9x=27. What will x equal to?

OpenStudy (calculusxy):

*solving

OpenStudy (andijo76):

0.33 repatend?

OpenStudy (calculusxy):

Are you sure? 9 times what will equal to 27?

OpenStudy (andijo76):

oh um 243

OpenStudy (calculusxy):

So you are saying that 9 times 243 equals to 27?

OpenStudy (andijo76):

no 9 times 27 equals 243

OpenStudy (andijo76):

9 times 3 is 27

OpenStudy (calculusxy):

Yes so x=3.

OpenStudy (calculusxy):

Now you have just excluded the 9 making x only be by itself. You now want to carry down the x, the inequality symbol, and 3 because we know that 9(3)=27. That should have you get: 9 is less than or equal to 27

OpenStudy (andijo76):

less than

OpenStudy (calculusxy):

No. Less than or equal to (in this case ) because if the little dash underneath the less than symbol.

OpenStudy (andijo76):

oh its equal to isnt it? because you have to do the 9(3) wich equals to 27 so 27=27

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