Question

is it right??

Answer 1

@nikato

Answer 2

no. how many 5's are there?

Answer 3

and how many total spaces/triangles/numbers are there?

Answer 4

there is 4 (5) and 12 triangle os its mean 1/3 ??

Answer 5

yea. 1/3 is correct!

Answer 6

is it any digit from 0-9?

Answer 7

and the code is only 3 digits ?

Answer 8

i think soo

Answer 9

i got 720

Answer 10

there are 10 digits to choose from for the first number
then 9 for the second
and 8 for the third

so
10x9x8=720
so 720 combiniations

Answer 11

ohh did you multiply :) i add them

Answer 12

how embarassing. i think i was thinking about something else
you're right we do add. so 27 is correct

Answer 13

haan what is embarrassing

Answer 14

it is okk

Answer 15

thank you soo much for helping me i really appreciate thanks

Answer 16

can i ask last question so far

Answer 17

wait, why do you have two sets of solutions?

Answer 18

because there is two equation linear and quadratic

Answer 19

but doesnt the same x and y go into both equation?

Answer 20

ohhhzzzzzzz oops ok

Answer 21

yea. you're right.
i just plugged the answer choices and saw which was was true

Answer 22

ok thanks