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Mathematics 79 Online
elijahp0226:

i need help with my problem... Convert 8.132132132... to a rational expression in the form of a over b where b ≠ 0. answers are 8 and 132 over 99 8 and 132 over 999 8 1321 over 9999 8 and 999 over 132

Hoodmemes:

First u would need to do this :x=8.132132132,the multiply by 1000 and get 1000x=8132.132132132,then subtract and ya got yo answer

elijahp0226:

bro i really am confused right now

Hoodmemes:

why tho?ok explain to me what parts confuse u and i will break the down for ya

elijahp0226:

im just started this online class and its harder than the work from my normal school i dont understand anything

Hoodmemes:

ok

Hoodmemes:

give me two minutes and we can start

elijahp0226:

thanks for helping me

Hoodmemes:

ok do u know what a rational number is?

elijahp0226:

yes

Hoodmemes:

exsplain

Hoodmemes:

just a couple words the best way u can

elijahp0226:

ok

elijahp0226:

isnt it like a number but its not a full one like as in 3.23

Hoodmemes:

u kinda got it

elijahp0226:

sorry if im being confusing i just started learning all of this stuff like a week ago before that i just started to divide decimals

Hoodmemes:

its ok

Hoodmemes:

A rational expression is simply a quotient of two polynomials.

Hoodmemes:

A number that can be made by dividing two integers

elijahp0226:

umm to be honest i dont know what a polynomails is

Hoodmemes:

it means an expression of more than two algebraic terms, especially the sum of several terms that contain different powers of the same variable(s).

elijahp0226:

ok

Hoodmemes:

these numbers can come in differnt forms

Hoodmemes:

\[\frac{ p }{ ?q}\]

Hoodmemes:

or like this

Hoodmemes:

2.78

elijahp0226:

ok

Hoodmemes:

give me one moment

elijahp0226:

ok np

Hoodmemes:

ok now im gonna tell u how to solve your problem

elijahp0226:

ok

Hoodmemes:

first u wanna see that x=8.132132132

elijahp0226:

ok

Hoodmemes:

now u wanna multipy 8.132132132 X 1000

elijahp0226:

ok

Hoodmemes:

u can take your time of use a caculator

Hoodmemes:

*or

elijahp0226:

thats 8.132132132000

Hoodmemes:

yes

elijahp0226:

oh no wait its 8132.132132

elijahp0226:

right

Hoodmemes:

mhm

Hoodmemes:

now u wanna subtract a/b from that answer

elijahp0226:

a/b?

Hoodmemes:

ok

Hoodmemes:

so like u didnt learn this stuff?

elijahp0226:

no

Hoodmemes:

:/

Hoodmemes:

they didnt even post assesments about it/

elijahp0226:

nope

Hoodmemes:

alright,. A/B tests consist of a randomized experiment with two variants

elijahp0226:

ok

Hoodmemes:

ok now subtract

elijahp0226:

im sorry for wasting ur time but i have to leave

Hoodmemes:

Ok i wish i could have taught u more,hopfully u learn how to do this and it goes great

Hoodmemes:

have a good day

elijahp0226:

you to

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