Ask question

Ask question

All categories

2 years ago

9

Convert the decimal expansion 0.2777... to a fraction.

1 answer:

andrey2020 [161]2 years ago

5 0

A = 0.2777 ... = 0.2(7)

10a = 10 * 0.2(7)=2.(7)
100a = 100 * 0.2(7) = 27.(7)

100a - 10a = 27.(7) - 2.(7)
90a = 25

$a=\frac{25}{90}=\frac{5}{18}$

You might be interested in

SOMEONE PLZZZ ANSWER THIS IM VERY BAD AT THIS!!

Furkat [3]

Answer:

Step-by-step explanation:

A. Linear- the add up to 180

B. 3x-5+2x+3+4x+2=180

9x=180

x=20

C. plug x in

ABD- 55, DBK- 82, KBC- 43

7 0

2 years ago

If the gradient of a hill is 5%, what is the corresponding slope of the hill?

erastovalidia [21]

5% = 5/100 = 1/20

1/20

5 0

2 years ago

Read 2 more answers

16. Sarina throws a ball up into the air, and it falls on the ground nearby. The ball's height, in feet, is modeled by the funct

tia_tia [17]

Answer:

Step-by-step explanation:

7 0

2 years ago

In real world situations you will only deal with numbers in one form.<br> True<br> False

scoray [572]

Answer:

false. very false

3 0

2 years ago

OmG PLS HELP I am big struggloing

Brilliant_brown [7]

Answer:

b

Step-by-step explanation:

7 0

2 years ago

Read 2 more answers