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Mathematics 19 Online
OpenStudy (hypersniper445):

Can anyone help with my study guide? Thank you!

OpenStudy (hypersniper445):

OpenStudy (anonymous):

a) distribute the \(2\) b) combine like terms

OpenStudy (hypersniper445):

i got d

OpenStudy (anonymous):

you are right

OpenStudy (hypersniper445):

got some more if you have the time :)

OpenStudy (anonymous):

go ahead and post

OpenStudy (hypersniper445):

OpenStudy (anonymous):

got a guess?

OpenStudy (anonymous):

if not that is fine, just askinig

OpenStudy (hypersniper445):

5?

OpenStudy (anonymous):

yes

OpenStudy (hypersniper445):

OpenStudy (anonymous):

and for this ?

OpenStudy (hypersniper445):

0.0035

OpenStudy (anonymous):

yes but they want it in scientific notation

OpenStudy (anonymous):

easier to multiply \(1.4\times 2.5\) then add up the exponents

OpenStudy (anonymous):

or if you prefer, convert your number to scientific notation

OpenStudy (hypersniper445):

i got 35x10^-4?

OpenStudy (anonymous):

that is not scientific notation you are doing too much work what is \(1.4\times 2.5\)?

OpenStudy (hypersniper445):

3.5

OpenStudy (anonymous):

ok and what is \[10^3\times 10^{-6}\](add the exponents)

OpenStudy (hypersniper445):

add the exponents? like 10^-3?

OpenStudy (hypersniper445):

ooh

OpenStudy (anonymous):

right

OpenStudy (hypersniper445):

so C

OpenStudy (anonymous):

answer \[3.5\times 10^{-3}\] that is scientific notation

OpenStudy (anonymous):

\[35\times 10^{-4}\] is the same number but it is not in scientific notation because 35 is bigger then 10

OpenStudy (hypersniper445):

oh yeah i see that now

OpenStudy (hypersniper445):

OpenStudy (anonymous):

and your answer?

OpenStudy (hypersniper445):

n=12

OpenStudy (anonymous):

yes

OpenStudy (hypersniper445):

OpenStudy (anonymous):

i got my answer you?

OpenStudy (hypersniper445):

1 second

OpenStudy (hypersniper445):

-2/3? @satellite73

OpenStudy (hypersniper445):

whoa how did you get your smart score to 100? i didnt know it could go past that

OpenStudy (anonymous):

i paid a bribe and your answer is not right

OpenStudy (anonymous):

\[\frac{5x+2}{2}=2x-1\\ 5x+2=2(2x-1)\] is a start

OpenStudy (anonymous):

solve that in three steps only

OpenStudy (hypersniper445):

-4

OpenStudy (anonymous):

yes

OpenStudy (hypersniper445):

ollie is 4?

OpenStudy (anonymous):

yes

OpenStudy (hypersniper445):

OpenStudy (hypersniper445):

B

OpenStudy (anonymous):

i can't help you with this one, not sure what standard form means

OpenStudy (anonymous):

B looks right

OpenStudy (anonymous):

i think standard form is \[ax+by=c\] in which case you are right

OpenStudy (hypersniper445):

okay

OpenStudy (hypersniper445):

1/3

OpenStudy (anonymous):

yes

OpenStudy (hypersniper445):

OpenStudy (hypersniper445):

-1

OpenStudy (anonymous):

that was pretty easy right?

OpenStudy (hypersniper445):

yeah

OpenStudy (hypersniper445):

it tells you because of y=mx+b with b being the y intercept

OpenStudy (hypersniper445):

well i know it has to be negative

OpenStudy (anonymous):

you are right of course

OpenStudy (hypersniper445):

d

OpenStudy (anonymous):

d?

OpenStudy (hypersniper445):

yeah. sorry i went to get food @satellite73

OpenStudy (hypersniper445):

i used a graphing calculator and that was the only line that matched up with the image

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