playboi2307
playboi2307 playboi2307
  • 25-08-2020
  • Mathematics
contestada

Write the number 0.21212121 ... as a fraction

Respuesta :

dk4524188 dk4524188
  • 26-08-2020

Answer:

1.91/9

Step-by-step explanation:

x=0.212121212........                                                         .........1  equation

10x=2.12121212.........                                                       ........2   equation

1 equation - 2 equation

9x=1.91

x=1.91/9

therefore 0.212121.....=1.91/9

Answer Link

Otras preguntas

A ball is thrown straight upward and returns to the thrower’s hand after 2.96 s in the air. A second ball is thrown at an angle of 36.0 ◦ with the horizontal. A
ECOFABRICS HAS BUDGETED OVERHEAD COSTS OF $1,011,150.
Assume you have a ten sided die. Find the probability of rolling a number greater than 7 , given the number rolled is between 3 and 8 , inclusive. Round to four
inappropriate language -20 x 24
is 3-bromo-2,2-dimethylhexane chiral
A. What is the rate (nmol product/minute) of the 10 units of enzyme in the graph? B. What is the rate (nmol product/minute) of the 5 units of enzymes in the gra
3 gh suared x 4 gh cubed h cuded
delete this question
Can I pleae get an answer for this? I need an explanation too.
will y=20 +65x intercept y=730+35X