Question

If C = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12} and D = {numbers divisible by 3 from 1 to 12}, what is C ∩ D?

{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}

{3, 6}

{3, 6, 9, 12}

{ }

Answer 1

is it d?

Answer 2

what do {3,6,9,12} and {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}
have in common?

Answer 3

3 6 9 13

Answer 4

13?

Answer 5

lol Imeant 12

Answer 6

is there any choices that have {3,6,9,12} lol?

Answer 7

c

Answer 8

Yup c:

Answer 9

alright thanks(:

Answer 10

I agree. It is the intersection of the two sets of numbers, basically which numbers do both sets have in common. When I think of the intersection of numbers, I think about a Venn diagram when comparing two different items. The intersection is what the two different items have in common.

Answer 11

oh okay thanks for the explanation.. I was a little confused haha.. but thanks for clearing it up for me:D

Answer 12

Not a problem. Glad I was able to help a bit :)