Tymlily
Tymlily Tymlily
  • 03-01-2018
  • Mathematics
contestada

How do you do 4/5x-.4 repeating?

Respuesta :

Jossilyn16
Jossilyn16 Jossilyn16
  • 06-01-2018
We use the algebraic way for this:
0.0¯4=x we manipulate the equation by multiplying it by 10 and 100.
0.¯4=10x
4.¯4=100x
We subtract the second equation from the third equation to get:
4=90x 
Therefore, 
490=x or
245=x
so the answer is

2/45

Answer Link

Otras preguntas

Please help me!!!!!!
What is the answer for this question 5 1/2=1/2x
How does weathering relate to erosion
Cigarette smoking can make you; it is ____?
When the President meets with the commander of the Navy which role is he exercising?
(14) It may be meat, a prepared diet such as ZuPreem or Mazuri, but a combination of both. Look at the underlined section marked (14). Choose the answer that be
A 30-foot ladder makes a 60° angle with the ground. Which trigonometric ratio can be used to find the height in feet, h, the ladder reaches up the side of the b
how many moles of NaCl are present in 600 mL of a 1.55 M NaCl solution?
A painter can finish painting a house in 7 hours. Her assistant takes 9 hours to finish the same job. How long would it take for them to complete the job if the
1-10x+4y= doing simplyfi