mdkdldpdpd5790 mdkdldpdpd5790

21-11-2017
Mathematics

contestada

Express 9.21212121212... as a rational number, in the form pq

Respuesta :

LammettHash LammettHash

21-11-2017

[tex]x=9.212121\ldots=9.\overline{21}[/tex]
[tex]100x=921.212121\ldots=921.\overline{21}[/tex]
[tex]99x=921.\overline{21}-9.\overline{21}=921-9=912[/tex]
[tex]\implies x=\dfrac{912}{99}=\dfrac{304}{33}[/tex]

Answer Link

Otras preguntas

Las muchachas ____________ muy bonitas. 1. eran 2. fueron

HELP How did France change under Napoleon's rule? A)French citizens who left during the french revolution could not return. B) France became a limited monarch

according to the theory of continental drift, what was the original state of the world's continents?

Help plz with science

i have vocabulary and i need some help can anyone tell me a sentence for biotic

If a + bi is a zero of a function and the coefficients of the polynomial are real, what will be the other complex zero of the function?

how many 3/4 are in 6 A:4 1/2 B:6 3/4 C:8 D:24

Sally must have a total of $2,250 to move in to her new apartment which includes first month's rent, last month's rent, a pet deposit and a security deposit. If

Please help! This question is about Pres. Woodrow Wilson and his 14 points. Why do you think that Wilson’s 14 point plan was not put into practice?

n(2n+1)-(n-6)=2n(n+1)+10