400616065 400616065

03-09-2021
Mathematics

contestada

0.21212121... as a fraction

Respuesta :

LammettHash LammettHash

03-09-2021

If x = 0.212121…, then 100x = 21.212121…, so we have

100x - x = 21.212121… - 0.212121…

99x = 21

x = 21/99 = 7/33

Answer Link

Otras preguntas

what is the density of an object that has a mass of 550 grams and displaces 25 ml of water? select all that apply. 22 ml/g .04 ml/g 22 g/ml 22 g/cm 3

Lately, you have been working on improving your skills. You are quite fast and respond quickly to things that happen around you. However, you have some trouble

How did Lord Edward Coke's interpretation of English common law lead to the creation of the Declaration of Independence?

The media play an important role in shaping the _____, which includes the issues on which the public’s attention is focused.

4(x-3)=5(x+1) solve the equation above for x

What term is used to describe an animal that eats only plants? a. omnivore b. herbivore c. carnivore d. statisvore

Which of these layers inside Earth is the hottest? A. Crust B. outer Core C. Lower mantle D. Asthenosphere

Which of the following numerical expressions may represent the probability of a simple event? a) 1/2 b) 1/2 + 1/6 c) 1/6 + 1/6 d) 1/2 * 1/6

Help me and I'll do the same :)

What is the radius of a circle whose equation is (x 5)2 (y-3)3 42?O 2 unitso 4 unitsO 8 units16 unitsSave and ExitMark this and returnNextSubmit