Posted by **keke** on Friday, August 10, 2012 at 3:46pm.

If the universal set U is defined by

U = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10} and

A = {1, 2, 3, 4 }

B = {3, 4, 5, 6, 7}

What is n(A ∩ B) ?

## Answer this Question

## Related Questions

- math - if the universal set U is defined by U={1,2,3,4,5,6,7,8,9,10}and A={1,2,3...
- math - A is the set of all even natural numbers, and B is the set of all odd ...
- Math - A is the set of all even natural numbers, and B is the set of all odd ...
- discrete math - 1. let A and B be sets. Show that A U (B - A)=A U B 2. determine...
- Psychology - Human relations are universal, but those defined as basic or ...
- Math - Averages - Set X is defined as {6,12, -4, 0, 7, 9, -1, 2, 5}. If r is the...
- Discrete math - (The set of all such that) A={n in Z| 2 divides n} B={n in Z| 3...
- Math - Set Q is defined as odd integers from 1 to 2000. How many ordered pairs (...
- Algebra - Given A = {0, 3, 5, 8, 9}, B = {1, 2, 3, 6, 7, 8}, C = {0, 1, 4, 6, 7...
- math - I having problems understanding venn set and venn diagrams. Can someone ...