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September 22, 2014

September 22, 2014

Posted by **Breanna** on Tuesday, September 9, 2008 at 12:13pm.

C(7,2). Thank you.

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**MATTHEW**, Tuesday, September 9, 2008 at 12:38pmhow can i help my son matthew about division and subtract borrow . thanks

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**Ms. Sue**, Tuesday, September 9, 2008 at 12:46pmPlease click

__Post a New Question__and then ask your question. Also -- your question isn't clear. What exactly does Matthew need to know about division? Do you also want to know about how to borrow in subtraction problems?

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**Writeacher**, Tuesday, September 9, 2008 at 3:51pmhttp://www.aaastudy.com/div.htm

http://www.aaastudy.com/sub.htm

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**bobpursley**, Tuesday, September 9, 2008 at 3:55pmFor each point to be rotated, use this set of equations:

x'=x*cos(theta)+y*sin(theta)

y'=-x*sin(theta)+y*cos(theta)

where x,y is the original point, and theta is the chosen angle of rotation counterclockwise.

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