abi12072002 abi12072002

24-01-2017
Mathematics

contestada

The sum of a number and its reciprocal is 2.9. Find all possible values of the number.

Respuesta :

Аноним Аноним

24-01-2017

x + 1/x = 2.9

x^2 + 1 = 2.9x
x^2 - 2.9x +1 = 0
(x - 0.4)(x - 2.5) = 0

x - 0.4 = 0 so x = 0.4
x - 2.5 = 0 so x = 2.5
answer: x = 0.4 and x = 2.5

Answer Link

Otras preguntas

The number of new cars (c) a ship carries can’t exceed 975

7. What is one reason the United States has a two-party system?

Why is it ironic Lakeville is trapped in a pendulum labeled "The Prisoner of Time"?

Please list 2 of 4 examples as to why humans are the most dangerous creatures in the ocean.

How many inches are equal to 12 centimeters? Remember, 2.54 cm = 1 in. Round your answer to the nearest hundredth. Do not include units in your answer.

what is the quotient of 3/4÷1/5?

the probability that we encounter a green light at the corner of college and main is 0.35, a yellow light 0.04, and a red light 0.61. whats the probability you

Evaluate: 2·5\4^-2 A) 5\8 B B) 8\5 C) 40 D) 160

PLZ HURRY. find angle b I NEED HELP FIGURING OUT HOW TO DO THESE ROBLEMS IN GENERAL

Two angles are supplementary. One angle is 5x° and the other angle is 3x + 20° What is the value of x? Supplementary angles add up to 180 degrees