Question

helpp ???

Answer 1

@ganeshie8

Answer 2

@hippo4

Answer 3

does this help?

Answer 4

You know what the 'U' symbol means in X U Y?

Answer 5

no is union

Answer 6

in between

Answer 7

ok umm repeats twice in one set and both

Answer 8

My bad. Hold up

Answer 9

k

Answer 10

Wait nevermind, I was right. >_>
So yeah, add up all of the numbers in both sets from least to greatest.
And, if there's a number that repeats in both set, like 2 and 4, then you don't write 2 twice in the answer box.

Answer 11

wait ok give me an example or the first one

Answer 12

so the first box adds to 20

Answer 13

for x=

Answer 14

and for y it is 15

Answer 15

Oh nooo. Not like that Not literally add. I meant if x[6,7,8,9] and y[6,8,11] then the union would be: 6,7,8,9,11

Answer 16

ok

Answer 17

hold on

Answer 18

umm ok so for the first one what would it be

Answer 19

What do you think it is?

Answer 20

1,2,4,6,8

Answer 21

You didn't include ALL of the numbers. You're missing 2. o_O

Answer 22

2 as in two numbers*

Answer 23

and 5 oops

Answer 24

And one more number!!!!

Answer 25

3

Answer 26

so for the first box?

Answer 27

Yup. So the answer would technically be 1,2,3,4,5,6,8.
However, since they told you to write it without the comma, then the valid answer would be
1234568

Answer 28

what about the second box

Answer 29

Alright. First, you know what the n means in X n Y?

Answer 30

no neautral

Answer 31

?

Answer 32

Not quite. n means intersection.
In other words, which number(s) repeat in both sets?

Answer 33

2 and 4

Answer 34

?

Answer 35

Yup. You got it! Make sure you don't add a comma when putting in the answer. :)

Answer 36

ok thanks now atleast I get it :)

Answer 37

I'm glad you're learning. ^_^

Answer 38

yep me tooo

Answer 39

3. Find the elements in the set: B = {2x | x is a Whole Number}


{...-6,-4,-2,2,4,6,...}

{0,2,4,6,8,...}

{...-6,-4,-2,0,2,4,6,...}

{2,4,8,16,32,..}
Previous Answer: b

Answer 40

is this right

Answer 41

@GoldPhenoix

Answer 42

Can you define what a whole number means?

Answer 43

Oh wait nvm. Didn't read the last part. Yah, you're right.

Answer 44

even numbers like 0,2,4,6

Answer 45

ok so that answer b is true

Answer 46

@GoldPhenoix

Answer 47

Yup. Answer B is true.

Answer 48

cool

Answer 49

hey @GoldPhenoix

Answer 50

does this =Perform the indicated operation: 87,775 -132,746 -23,989

Answer 51

is the answer - 147,960?

Answer 52

I don't understand what you mean. o_O

Answer 53

Perform the indicated operation: 87,775 -132,746 -23,989

Answer 54

?

Answer 55

Well, what does 87,775 - 132,746 = ?

Answer 56

does this = -68,960

Answer 57

Yep, good job!

Answer 58

thanks