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 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

Otras preguntas

Find the measure of angle y. Round your answer to the nearest hundredth. (please type the numerical answer only)
2. How does this passage relate to how the colonists felt about how the British ruled the colonies?
Despite Sennacherib's prohibition of rebuilding Babylon for 70 years it was later discovered that it was actually 11 years because A. the tablet that started
What trophic level(s) do penguins fall under? Explain.
Marcus is tying two bows for birthday gifts. He uses 3g feet of ribbon for Crystal's gift and 2 feet for Tim's gift. If he has an 8-foot roll of ribbon, how muc
Dialogue:You are that your classmates bunk classes especially the last lessons every Friday One of them is your close friend who is struggling in class.Yiu want
When using an aspirator for filtration, what precaution should be taken before stopping the vacuum?
2. In which of the following is 23x-4 classified? a. Exponential Expression b. Exponential Equation c. Exponential Function d. Exponential Inequality​
6 consequences of poverty (6x2)​
in Hard is the Journey by Li Po which country in which the speaker is travelling.