CrimsonNeko CrimsonNeko

24-05-2017
Mathematics

contestada

What is the fraction form of the following decimal expansion?
0.81__ (the 81 is repeating)

A. 12/11

B. 10/11

C. 8/11

D. 9/11

Respuesta :

venusssxo venusssxo

24-05-2017

Let x = 0.8181
10x = 8.1818
100x = 81.8181
100x - x = 99x
99x = 81
99x/99 = 81/99
X = 9/11

0.8181(recurring) = 9/11

Answer Link

Аноним Аноним

24-05-2017

The correct answer is D.

Answer Link

Otras preguntas

Name the person who tossed the forged letters to Brutus.

Should banks have to hold 100% of their deposits? Why or why not?

Which of the following is the best type of refusal to use when someone offers you drugs? A. quick but unsure B. aggressive and clear C. assertive and clear

On the Apollo 14 mission to the moon, astronaut Alan Shepard hit a golf ball with a golf club improvised from a tool. The free-fall acceleration on the moon is

There was no snow on the ground when it started falling at midnight at a constant rate of 1.5 inches per hour. At 4:00 a.m., it starting falling at a constant r

Saving for a Bike Janelle is trying to save money in order to purchase a bike. The bike costs $486. She has three different ways of making money, which are show

what is 46,271 rounded to the thousands place

if 100 enevelopes cost 70 cents how much would 250 cost

What techniques did the artist of the above image use that emphasized the Baroque style? a. sharp diagonal composition and deep tenebrism b. a strong contrast b

Identify the following as a simile or a metaphor. He glared at the man with the fierce eyes of a tiger. Osimile O metaphor