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August 4, 2015

Homework Help: Algebra 1

Posted by Cecilia on Saturday, September 12, 2009 at 12:20pm.

I had a quiz in math.

The problem is:
|4.3+(-7.2)|

I got the answer 11.5 and my teachr marked it wrong. When she gave us a chance to fix the errors for half credit, I tried it again. But I KEEP getting the same answer. What am I doing wrong?

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