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AmTran_Bus
Group Title
Prove .99999999999999999999999999999999999999999999999999999 equals 1.
 one year ago
 one year ago
AmTran_Bus Group Title
Prove .99999999999999999999999999999999999999999999999999999 equals 1.
 one year ago
 one year ago

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yummydum Group TitleBest ResponseYou've already chosen the best response.0
that is false.....the number mentioned above ROUNDS UP to 1....meaning it is closer to one than it is to 0 :)
 one year ago

AmTran_Bus Group TitleBest ResponseYou've already chosen the best response.0
Good job! Now try .9 repeating!
 one year ago

yummydum Group TitleBest ResponseYou've already chosen the best response.0
its the exact same explanation thou stubborn being
 one year ago

asnaseer Group TitleBest ResponseYou've already chosen the best response.1
If you mean 0.999... (i.e. 9's repeating for ever) then this can be proved
 one year ago

AmTran_Bus Group TitleBest ResponseYou've already chosen the best response.0
Go fir it!
 one year ago

asnaseer Group TitleBest ResponseYou've already chosen the best response.1
is this a challenge or are you looking for help in trying to prove it?
 one year ago

AmTran_Bus Group TitleBest ResponseYou've already chosen the best response.0
I want to prove it.
 one year ago

asnaseer Group TitleBest ResponseYou've already chosen the best response.1
ok, start by setting:\[x=0.999..\]Then see what happens if you multiply both sides by 10
 one year ago

AmTran_Bus Group TitleBest ResponseYou've already chosen the best response.0
10x=0.999(10)
 one year ago

AmTran_Bus Group TitleBest ResponseYou've already chosen the best response.0
or 9.999999999
 one year ago

AmTran_Bus Group TitleBest ResponseYou've already chosen the best response.0
10=9.99999999 on and on
 one year ago

asnaseer Group TitleBest ResponseYou've already chosen the best response.1
correct  and now notice that 9.99... can be written as 9 + 0.999...
 one year ago

asnaseer Group TitleBest ResponseYou've already chosen the best response.1
and what is 0.999.... (look at how we started the proof)
 one year ago

AmTran_Bus Group TitleBest ResponseYou've already chosen the best response.0
you mean =x?
 one year ago

asnaseer Group TitleBest ResponseYou've already chosen the best response.1
so you end up with: x = 0.999... 10x = 9.999... = 9 + 0.999... = 9 + x
 one year ago

AmTran_Bus Group TitleBest ResponseYou've already chosen the best response.0
ohhhhh. Thanks!!!
 one year ago

phi Group TitleBest ResponseYou've already chosen the best response.0
how about x=0.9999... 10x= 9.9999... 10xx = 9 9x=9 x=1
 one year ago

asnaseer Group TitleBest ResponseYou've already chosen the best response.1
thats basically exactly what we have done :)
 one year ago

phi Group TitleBest ResponseYou've already chosen the best response.0
yes, just wanted it all in one post for other readers
 one year ago
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