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Mathematics 22 Online
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} { }

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?

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} { }

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}

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

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