Thursday

October 23, 2014

October 23, 2014

Posted by **K. C** on Wednesday, May 25, 2011 at 8:14pm.

THAT N IS AN UPSIDEDOWN U, DON'T KNOW WHAT THAT MEANS

- MATH -
**Damon**, Wednesday, May 25, 2011 at 8:23pmhttp://www.solving-math-problems.com/math-symbols-set-intersection.html

It means intersection

which elements are in both sets? (overlap)

5 no

10 yes

15 no

20 yes

25 no

30 no

so

{ 10,20}

- MATH -
**Reiny**, Wednesday, May 25, 2011 at 8:30pmThe "upside down U" stands for intersection.

It means that you are looking for all elements which are common to both A and B

A ∩ B = {10,20)

**Answer this Question**

**Related Questions**

English - Write the list words that contain the same o sounds as the examples ...

algebra - what does this mean in algebra? upsidedown v

math - I have the upse question and want to know what the upse stands for. I ...

litreature-vocab - write sentence using each of the following 1) Affliction: ...

Math - Suppose the modiefied quota is 5.37. Find the lower quotas and the upper ...

Algebra - I need help with a few problems (< means square root of, * means ...

Chemistry - 1. What does 'the time taken to reach completion decreases if 20cm^3...

math check and help - A certain population has a mean of 472 and a standard ...

algebra - Suppose f(x)=Ax+B for real constants A and B. If f(60)=70 and f(72)=79...

Math - The relation R on {1,2,3,...} where aRb means a/b for reflexive, ...