18-02-2015
Mathematics

Answered

the sum of half a number and its reciprocal is the same as 51 divided by the number. find the number.

Answer :

Аноним Аноним

18-02-2015

x/2 + 1/x = 51/x

(x^2)/2 +1=51/x

x^2 + 2= 102

x^2=100

x= sqrt100 = +/-10

The number is 10 or -10

Answer Link

Other Questions

A curved section of roadway is in the shape of a circular arc of 410m radius The curved section is horizontal not banked The coefficient of friction for tires a

increase 44 by 10

Which step should be completed first to solve the equation 9 3q 14 A Add 14 to both sides B Divide both sides by 3 C Divide both sides by 3 D Subtract 9 from bo

Which of the following solutions would be basic A NHI B NaOCl C FeNO D BaNO E NHNO

Im thinking of two numbers Their greatest common factor is 6 Their least common multiple is 36 One of the numbers is 12 What is the other number

What is an argument A practical statement based on emotion A political statement based on fear A position statement based on logic A scientific statement based

Would I distribute or foil first 2b2b2

How do decomposers interact with their ecosystem

An economist writing about opportunity cost would be most interested in which of the following international events A a marginal benefit analysis of a Swiss ba

79945 original price and 15sale what is the final price