A community for students. Sign up today!
Here's the question you clicked on:
 0 viewing
 2 years ago
***Help Wanted***
***Medal and Fan Earned***
Change 0.1313... to a common fraction.
 2 years ago
***Help Wanted*** ***Medal and Fan Earned*** Change 0.1313... to a common fraction.

This Question is Closed

RadEn
 2 years ago
Best ResponseYou've already chosen the best response.2first, let x = 0.13131313.... now multiply by 100 to both sides, what u get

phi
 2 years ago
Best ResponseYou've already chosen the best response.0Here is an example http://www.khanacademy.org/math/arithmetic/decimals/v/covertingrepeatingdecimalstofractions1

RadEn
 2 years ago
Best ResponseYou've already chosen the best response.2ok, good... so, if given 2 equations : 100x = 13.13131313.... and x = 0.13131313 .... subtract of both, 1st equation  2nd equation, what u get

minnie123
 2 years ago
Best ResponseYou've already chosen the best response.0can you rephrase what you want me to subtract please?

RadEn
 2 years ago
Best ResponseYou've already chosen the best response.2it means, left side  left side = right side  right side 100x  x = 13.131313...  0.13131313... , right ?

RadEn
 2 years ago
Best ResponseYou've already chosen the best response.2well, i will figure out dw:1354893841737:dw

amistre64
 2 years ago
Best ResponseYou've already chosen the best response.0RadEn has a great proof; after about a hundred of these you see a pattern 0.abc... repeats abc then; abc/999 is the fraction the number of 9s in the denominator is the number of positions that are repeated

RadEn
 2 years ago
Best ResponseYou've already chosen the best response.2simplied again... 99x = 13 solve for x, just dividing by 99 to both sides u will get the answr

minnie123
 2 years ago
Best ResponseYou've already chosen the best response.013/99 ... thanks for all of your help... i would have responded sooner but my internet is crappy...

RadEn
 2 years ago
Best ResponseYou've already chosen the best response.2correct, good finishing :)
Ask your own question
Ask a QuestionFind more explanations on OpenStudy
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.