Mathematics
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OpenStudy (anonymous):
FAN AND MEDAL!!!!
Find A intersection B.
A: {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}
B: {-2, -1, 1, 4, 7, 11}
{-2, -1, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11}
{1, 4, 7, 11}
{-2, -1, 1, 2, 3, 4, 5, 6}
{ }
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OpenStudy (anonymous):
its 2nd one..
OpenStudy (anonymous):
how did you get that?
OpenStudy (anonymous):
in interseection you have to choose the numbers which are common in both sets..
OpenStudy (anonymous):
oh
OpenStudy (anonymous):
so then could you check my answer on a diffrent one?
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OpenStudy (xapproachesinfinity):
|dw:1406741053204:dw|
OpenStudy (xapproachesinfinity):
it is the shared part between setA and setB
OpenStudy (anonymous):
yes y not..
OpenStudy (anonymous):
xactly right van diagram...
OpenStudy (anonymous):
Find C intersection D.
C: {2, 4, 6, 8, 10, 12}
D: {numbers divisible by 3 from 1 to 12}
{6, 12}.....my answer
{2, 3, 4, 6, 8, 9, 10, 12}
{3, 6, 9, 12}
{ }
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OpenStudy (anonymous):
@zaibali.qasmi
OpenStudy (anonymous):
@xapproachesinfinity
OpenStudy (anonymous):
its right..
OpenStudy (anonymous):
thank you so much
OpenStudy (xapproachesinfinity):
Numbers that are divisible by three are {3,6,9,12}
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OpenStudy (anonymous):
but the other thing dosnt have 3 or 9
OpenStudy (xapproachesinfinity):
So {6,12} are the common ones there
OpenStudy (xapproachesinfinity):
what other thing?
OpenStudy (anonymous):
sorry i thought you were saying {3,6,9,12} was the answer
OpenStudy (xapproachesinfinity):
No I'm just translating what divisible by 3 to 12 mean