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AmTran_Bus
Group Title
Prove .99999999999999999999999999999999999999999999999999999 equals 1.
 2 years ago
 2 years ago
AmTran_Bus Group Title
Prove .99999999999999999999999999999999999999999999999999999 equals 1.
 2 years ago
 2 years 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 :)
 2 years ago

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

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

AmTran_Bus Group TitleBest ResponseYou've already chosen the best response.0
Go fir it!
 2 years 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?
 2 years ago

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

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

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

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

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

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

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

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

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