lilymerrill13 lilymerrill13

02-07-2018
Mathematics

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What is the reciprocal of 2 5/7? * A. 45/7 B.19/7 C.7/19 D.5/19

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konrad509 konrad509

02-07-2018

[tex]2\dfrac{5}{7}=\dfrac{19}{7}[/tex]

So the reciprocal is [tex]\dfrac{7}{19}[/tex]

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02-07-2018

[tex]2 \dfrac 5 7 = \dfrac{2 \times 7 + 5}{7} = \dfrac{19}{7}[/tex]

The reciprocal of x is 1/x, what you get when you swap numerator and denominator. So here the reciprocal is

[tex]\dfrac{7}{19}[/tex]

Answer Link

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