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Mathematics 21 Online
OpenStudy (anonymous):

NEED ANSWERS ASAP PLEASSE What is the intersection of the sets A = {3, 4, 7, 9, 13} and B = {3, 7, 10, 13, 17}? A: null set B: {3, 7, 13} C: {3, 4, 7, 9, 10, 17} D: {3, 4, 7, 9, 10, 13, 17}

OpenStudy (midhun.madhu1987):

Intersection of 2 sets means the elements that are common to both the sets

OpenStudy (midhun.madhu1987):

So, what are the elements common to both sets A and B?

OpenStudy (anonymous):

3, 7, and 13?

OpenStudy (anonymous):

What is the union of the two sets A = {1, 5, 8, 12, 17} and B = {5, 17}? A: {1, 5, 17} B: {1, 5, 8, 12, 17} C: {5, 17} D: {17}

OpenStudy (anonymous):

@midhun.madhu1987

OpenStudy (midhun.madhu1987):

yeah

OpenStudy (anonymous):

do you know what 2 is?? @midhun.madhu1987

OpenStudy (midhun.madhu1987):

Union is the combination of elements of both sets A and B without repetition

OpenStudy (anonymous):

so A? @midhun.madhu1987

OpenStudy (midhun.madhu1987):

if we combine the elements of both sets we get?

OpenStudy (anonymous):

B? @midhun.madhu1987

OpenStudy (midhun.madhu1987):

yep

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