Question

@jim_thompson5910

Answer 1

~J is everything except J

Answer 2

that is :

~J = 196, 41, 133

Answer 3

see what in those are intersecting with S,

that gives ~J \(\cap \) S

Answer 4

41..

Answer 5

and 133 also belongs to S only

Answer 6

so, ~J \(\cup \) S = 41, 133

Answer 7

lets do (~J \(\cap\) S) \(\cup\) B

Answer 8

B = 196, 41, 21, 52

Answer 9

what does U mean ?

Answer 10

U means union, when we say A U B, it just means add both things

Answer 11

(~J ∩ S) ∪ B = 196, 41, 21, 52, 133
= 196 + 41 + 21 + 52 + 133
= ?

Answer 12

I add them ?

Answer 13

yes

Answer 14

443

Answer 15

so the answer is B ? :)

Answer 16

thats right !

remember below when doing these :

\(\cap\) :- oly intersection or common things

\(\cup\) :- all things.

Answer 17

ok thank you sooo much ! :)

Answer 18

np :)