Question

use multiplying by 1 to find an expression equivelent to 11/18 with a denominator of 18z.
The equivelent expression is?

Answer 1

z/z=1

(1/18) times 1 is still 1/18 does not change the value

now (1/18) times z/z = z/18z which still has the value of 1/18

Answer 2

I know too easy, but an important concept.

Answer 3

do you understand?

Answer 4

yes, i kinda do understand.

Answer 5

do you understand that anything divided by it self is 1 ?

Answer 6

yes

Answer 7

then z/z or z divided by itself is 1. Right?

Answer 8

yes its 1

Answer 9

Now for the last piece. Do you undertstand when you multiply anything by 1 you do not change its value?

Answer 10

yes i understand that too

Answer 11

its going to be 11/18

Answer 12

becauese i am mulltiplying by 1

Answer 13

we multiplied 1/18 by 1 because z/z is 1 ok
we multiplied 11/18 by 1 or z/z so it will now look like 11z/18z I thought we were working with 1/18. Still we haven't changed it its value, just its appearance.

Answer 14

Sorry, I slipped up, no wonder you kinda understood it lol

Answer 15

better now huh?

Answer 16

yes :)

Answer 17

\[11z \over18z\]

Answer 18

Good luck.

Answer 19

thnx

Answer 20

11
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18