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26-05-2017
Mathematics

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the sum of the reciprocal of a number and 5/9 is 49/72. find the number

the sum of the reciprocal of a number and 59 is 4972 find the number class=

Respuesta :

03-06-2017

1/x + 5/9 = 7/9
1/x = 2/9
9/9x = 2x/9x
(9 + 2x)/9x = 0
2x - 9 = 0
2x = 9
x = 4.5
1/4.5 = 2/9
The number is 4.5

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