anonymous
  • anonymous
I will love u if u do dis :) plz guide me through it dont giv direct answers 。◕ ‿ ◕。 i need to know how to do it Which of the following rational numbers is equal to 3 point 1 with bar over 1? A 22 over 9 B 24 over 9 C 26 over 9 D 28 over 9
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
:) lol
anonymous
  • anonymous
no its repeating _ the "bar over the one" means its like 3.1
anonymous
  • anonymous
:P

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anonymous
  • anonymous
k :) thx
anonymous
  • anonymous
\[3.1111....=3+.1+.01+.001+.....=3+\frac{ .1 }{ 1-.1 }=3+\frac{ .1 }{ 0.9 }=3+\frac{ 1 }{ 9 }=\frac{ 28 }{3 }\]
anonymous
  • anonymous
¯\(°_o)/¯
aric200
  • aric200
28/3?
anonymous
  • anonymous
yeah thats confusing nuntheless. ¯\(°_o)/¯
anonymous
  • anonymous
i have solved above by finding the sum of an infinite geometric series.
anonymous
  • anonymous
/(O-o)\ wt
anonymous
  • anonymous
╥﹏╥ ima work on some other questions then, ill be back...
anonymous
  • anonymous
here is an other method let x=3.111.... (1) 10x=31.111... (2) subtract (1) from (2) 10 x-x=31.111....-3.111... 9x=28 \[x=\frac{ 28 }{ 9 }\]
anonymous
  • anonymous
okay. ;-;

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