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Mathematics 8 Online
OpenStudy (anonymous):

Given these sets: A = {1, 2, 3, 4} B = {3, 4, 5, 6, 7} C = {3, 5, 7, 9} List the elements of this set C(A∩B)

OpenStudy (amistre64):

i think there is an operator missing after the C

OpenStudy (anonymous):

cU

OpenStudy (anonymous):

{3, 4, 3, 5, 7, 9}

OpenStudy (amistre64):

like order of operations, its prolly simplest to work the paranthesis first

OpenStudy (amistre64):

can you tell me what AnB represents?

OpenStudy (anonymous):

i dont no

OpenStudy (anonymous):

It's { 3,4,5,7,9}

OpenStudy (anonymous):

A intersection B means common elements of these two sets

OpenStudy (amistre64):

AnB signifies the set of all elements that A and B have in common

OpenStudy (anonymous):

And union means all distinct elements of the two sets,combined

OpenStudy (amistre64):

A = {1, 2, 3, 4} B = {3, 4, 5, 6, 7} which elements (or numbers in this case) do A and B have in common?

OpenStudy (anonymous):

3,4

OpenStudy (amistre64):

nishika, you are not the one who needs to understand it are you?

OpenStudy (anonymous):

And combining the distinct elements with c set u get 3,4,5,7,9

OpenStudy (anonymous):

3,4

OpenStudy (anonymous):

Did u get it noe

OpenStudy (amistre64):

yes, 3,4 the symbol "u" represents a set of elements that have all the elements combined (AnB) = (3,4} C = {3, 5, 7, 9} What would the combination of Both of these sets look like then?

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