# Posts by phobia

Total # Posts: 4

**math**

Need help with negation using demorgan law. ~(a and ~b) I have ~a and b Is that correct?

*February 18, 2011*

**math**

thank you

*February 15, 2011*

**math**

Please help. Hi, I am having some problems with inequalities. It is asking us to solve and graph on a number line and then write it in interval notation and set notation. X>2 and X>4 I graphed them in a number line already and i have the following: Interval notation (2,...

*February 15, 2011*

**math-inequalities**

Hi, I am having some problems with inequalities. It is asking us to solve and graph on a number line and then write it in interval notation and set notation. X>2 and X>4 I graphed them in a number line already and i have the following: Interval notation (2,infinity) and ...

*February 14, 2011*

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