OpenStudy (anonymous):

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} { }

4 years ago
OpenStudy (anonymous):

is it d?

4 years ago
OpenStudy (ryan123345):

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

4 years ago
OpenStudy (anonymous):

3 6 9 13

4 years ago
OpenStudy (ryan123345):

13?

4 years ago
OpenStudy (anonymous):

lol Imeant 12

4 years ago
OpenStudy (ryan123345):

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

4 years ago
OpenStudy (anonymous):

c

4 years ago
OpenStudy (ryan123345):

Yup c:

4 years ago
OpenStudy (anonymous):

alright thanks(:

4 years ago
OpenStudy (anonymous):

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.

4 years ago
OpenStudy (anonymous):

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

4 years ago
OpenStudy (anonymous):

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

4 years ago