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Mathematics 8 Online
OpenStudy (anonymous):

what does it mean ...determine whether 9 is a factor of each number by dividing the numberby 9

Directrix (directrix):

18 = 9 times 2. 9 and 2 are called factors of 18. 18 divided by 9 = 2 which is an integer and there's no remainder so 9 is a factor of 18. 10 divided by 9 = 1 with a remainder of 1. 9 is not a factor of 10.

OpenStudy (jamesj):

Ok. So you want to know if 9 is a factor of 372?

OpenStudy (jamesj):

talk to me

OpenStudy (anonymous):

yeaa

OpenStudy (jamesj):

So to see if it is, divide 372 by 9 and see if there is a remainder.

OpenStudy (jamesj):

..using long division. It starts here with 40-something because 4x9 = 36 hence we have 4 ----- 9 | 372 36 ----- 12

OpenStudy (anonymous):

k \[372\div9=\]

OpenStudy (jamesj):

you finish the division.

OpenStudy (anonymous):

so idk how to start

OpenStudy (jamesj):

I started the long division for you: surely this looks somewhat familiar, no? 4 ----- 9 | 372 36 ----- 12

OpenStudy (anonymous):

|dw:1329182794525:dw|

OpenStudy (anonymous):

then what

OpenStudy (jamesj):

I'm sorry, I don't have the time to teach you long division here. But you'll definitely need to know it to be able to solve problems like this. It will take a while and I have other people waiting for me. If you like, post a new question asking "can someone help me with long division: dividing 372 by 9?"

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