Question

W= Hydrogen,oxygen
C= carbon, oxygen

how many elements are in the set W and C
It's the upside down U between W and C

Answer 1

Nope, it's math.

Answer 2

@Moon_Wolf yeah...involving sets

Answer 3

Yeah (:

Answer 4

I said 2 sets.

Answer 5

W = { Hydrogen, Oxygen }
C = { Carbon, Oxygen }
These are two sets, find the union of these two sets

Answer 6

Would it be 2 or 4?

Answer 7

THe upside down U means finding the one that appears in both sets

Answer 8

W U C = { Hydrogen, Carbon, Oxygen }

Answer 9

W n C = { Oxygen }

Answer 10

example