Question

i dont know much about sets and i am form one student. please help me cos tommorow i have periodic test !

Answer 1

help pls

Answer 2

= +

Answer 3

what's the question dear?

Answer 4

whays RATIO

Answer 5

whays RATIO?

Answer 6

a set can be defined as a collection of objects, numbers, ideas etc which are defined by a given rule. eg all boys in a given class, or all numbers between 0 and 9 inclusive
the last one could be written as A = {0,1,2,3,4,5,6,7,8,9}

Answer 7

how abou A\B ?

Answer 8

I still didn't understand what's the question lol. Is it that oyu have problems with sets? or ratios?

Answer 9

not sure, i just saw that gt ration in the set's chapter

Answer 10

Can you type the question here? from the book?

Answer 11

i am blured, ok i will read it again, its 9.30 here gotta sleep before get scolded = =

Answer 12

lol, type one question from the book ^_^ and I'll try to help out

Answer 13

A={a,b,c,d,o,f}
B={o,t,b,l,m}
C={u,b}
D={u}

Find CU(BnC)

Answer 14

so confusing this question

Answer 15

Alright, first step is finding the B Intersection C, do you know what that means? It means that you must find what does set B and set C have in common :)

Answer 16

yeah, its {b}

Answer 17

excellent, now second step is to find C U (BnC)

we already know that BnC = {b} so now :

C U (b) --> union means everything that's found in set C and the set that you have here which is (b) , so what is the answer?

Answer 18

{b,u}

Answer 19

Excellent :) see? easy right? ^_^

Answer 20

so its mean what it gt in C

Answer 21

union : A U B = everything found in A and B
intersection , A n B = common element found in both sets :)

Answer 22

what do you mean?

Answer 23

CU(BnC) = C

Answer 24

exactly :) see, you're smart :P

Answer 25

you answered your own question, good boy ^_^

Answer 26

o,0 ok, thanks for the help!

Answer 27

np :)good luck in your test

Answer 28

thanks ~

Answer 29

np ^_^