How many subsets does the set have?

{Children,Teen,Adult} X {male,female}

- Mon Apr 08, 2013 8:13 pm
- Forum: Discrete Math
- Topic: How many subsets does the set have?
- Replies:
**2** - Views:
**4195**

How many subsets does the set have?

{Children,Teen,Adult} X {male,female}

{Children,Teen,Adult} X {male,female}

- Thu Apr 04, 2013 6:28 pm
- Forum: Discrete Math
- Topic: Give a mathematical proof by contradiction
- Replies:
**1** - Views:
**1684**

For any real numbers a1, a2, a3, we must have that one of the numbers is less than or equal to the average (a1+a2+a3)/3.

Should I start by assuming the contra positive? Very confused.

Should I start by assuming the contra positive? Very confused.