DeletedUser
0.999 r is exactly equal to 1
discuss and confer
discuss and confer
Are you looking for help with some homework, klonan?
x = 0.999 r
10x = 9.999 r
10x-x = 9x
9x = 9
x=9
OR another explanation
9/9 = 1
1/9 = 0.111r
9x1/9 = 0.999r
0.999 = 1
I think that proves that is thread is an.....EPIC FAILUREErr, hold on......
x = 0.999 r -> OK, definition, setting this up
10x = 9.999 r -> Ok, both sides multiply by 10
10x-x = 9x -> err, NO! Below is what happens when you subtract x from both sides.
10x - x = 9.999 r - x
10x - x = 9.999 r - 0.999 r -> from line 1, definition
10x - x = 9 r
9 x = 9 r
Your last 2 lines are also incorrect when combine together
9x = 9
x = 9
Err, what? If anything, X = 1....
Basically everything is this section: http://en.wikipedia.org/wiki/0.999...#Skepticism_in_education