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Mathematics 8 Online
OpenStudy (vera_ewing):

Let set C = {1, 2, 3, 4, 5, 6, 7, 8} and set D = {2, 4, 6, 8}. Which notation shows the relationship between set C and set D? C ∪ D C ∩ D D ⊆ C C ⊆ D

OpenStudy (vera_ewing):

@rational Help please!

OpenStudy (anonymous):

D ⊆ C

OpenStudy (vera_ewing):

Let set C = {even numbers between 1 and 99} and set D = {numbers between 1 and 150 that are evenly divisible by 10}. What is C ∩ D? {10, 20, 30, 40, 50, 60, 70, 80, 90} {10, 20, 30, 40, 50, 60, 70, 80, 90, 100} {all even numbers between 1 and 99} {numbers between 1 and 150 that are evenly divisible by 10}

OpenStudy (vera_ewing):

@rational

OpenStudy (rational):

what numbers exist in both C and D ?

OpenStudy (anonymous):

C ∩ D= {10, 20, 30, 40, 50, 60, 70, 80, 90}

OpenStudy (vera_ewing):

So the answer is A?

OpenStudy (anonymous):

right

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