Asked by Steph

The sum of a number and its reciprocal is 2 9/10. Find the number.

Answers

Answered by MathMate
Let the number be x.
then
x+1/x=29/10
Solve for x.
The answers are rational fractions.
Answered by Jemah Mae Dala Noble
If you need to answer this, first you need to know the formula...

The "QUADRATIC FORMULA"
For real numbers a, b and c, with a = 0, the solution of the quadratic equation ax^2 + bx + c = 0 is given by the quadratic formula....

x= +
-b _(square root of) b^2 -4ac
_______________________________
2a

Related Questions