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Mathematics 17 Online
OpenStudy (mrhirohito):

What is the reciprocal of the number 2 3/4? A.-2 3/4 B. -4/11 C. 4/11 D. 1 1/4

OpenStudy (mrhirohito):

Hmm...im thinking B. But thats just a guess.

OpenStudy (anonymous):

reciprocal of a positive number is also positive

OpenStudy (mrhirohito):

C.

OpenStudy (anonymous):

reciprocal of x is 1/x

OpenStudy (mrhirohito):

It can either be A.,C.,B. or D. But i think its either B. or C. e.e

OpenStudy (mrhirohito):

1/x ? Meaning?

jimthompson5910 (jim_thompson5910):

another way to think of it the reciprocal of `a/b` is `b/a` where neither a nor b are zero

jimthompson5910 (jim_thompson5910):

if you are given a mixed number, you have to convert to an improper fraction first

OpenStudy (anonymous):

reciprocal of 5 is 1/5

OpenStudy (mrhirohito):

11/4 when you convert that into an improper fraction. So its 4/11

jimthompson5910 (jim_thompson5910):

correct

OpenStudy (mathmale):

Please re-write 2 3/4 as an improper fraction. Your result? When done with that, flip it. That's the reciprocal of 2 3/4.

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