anitakozyarsky anitakozyarsky

26-03-2015
Mathematics

contestada

how do you write 1.21 as fraction, when .21 is continuing?

Respuesta :

26-03-2015

[tex]x=1.212121... \\ 100x=121.2121... \\ 100x-x=121.2121...-1.212121... \\ 99x=120 \\ x=\frac{120}{99} \\ x=\frac{40 \times 3}{33 \times 3} \\ x=\frac{40}{33}[/tex]

The fraction is 40/33.

Answer Link

Otras preguntas

The acceleration produced by an unbalanced force acting on an object is _____ proportional to the magnitude of the force.

3x - y = 7 6x - y = 10 When solving this system of equations by elimination, which could be the resulting equation when a variable has been eliminated? A) 9x

The five stages a buyer passes through in making choices about which product and service to buy is called the _________. purchase decision process problem recog

what do economists mean when they use the term "actual demand"?

The first pentagon is dilated to form the second pentagon. Drag and drop the answer to correctly complete the statement. The scale factor is . A pentagon wit

Which line from a vindication of the rights of women conveys the essays main theme

Which is the best paraphrase of this line from "The New Colossus"? The wretched refuse of your teeming shore. A) The miserable outcasts of a crowded continent.*

Nadia needs half of a dollar for bus fare. Which amount is equivalent to her bus fare?

Christine works at the high school, is a deacon at her church, a den mother for the girl scouts, a sergeant in the national guard, and a kickboxing instructor a

Find 22,23,24,25 and I’ll give you 25 points