bnonatoter1mar bnonatoter1mar

23-10-2016
Mathematics

contestada

The sum of a number and it's reciprocal is 2.9. what is the number?

Respuesta :

FadedCarmineBro FadedCarmineBro

26-10-2016

x +1/x = 29/10

(x^2+1)/x = 29/10

x^2 - 2.9x + 1 = 0

This is a quadratic equation, which can be solved using the quadratic formula.

The final answers are x = 2.5, and x = 0.4.

Answer Link

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