Mathematics
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OpenStudy (hypersniper445):
Can anyone help with my study guide? Thank you!
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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 :)
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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?
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OpenStudy (anonymous):
yes
OpenStudy (hypersniper445):
OpenStudy (anonymous):
and for this ?
OpenStudy (hypersniper445):
0.0035
OpenStudy (anonymous):
yes but they want it in scientific notation
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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
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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
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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?
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OpenStudy (hypersniper445):
n=12
OpenStudy (anonymous):
yes
OpenStudy (hypersniper445):
OpenStudy (anonymous):
i got my answer
you?
OpenStudy (hypersniper445):
1 second
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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
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OpenStudy (hypersniper445):
-4
OpenStudy (anonymous):
yes
OpenStudy (hypersniper445):
ollie is 4?
OpenStudy (anonymous):
yes
OpenStudy (hypersniper445):
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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
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OpenStudy (hypersniper445):
1/3
OpenStudy (anonymous):
yes
OpenStudy (hypersniper445):
OpenStudy (hypersniper445):
-1
OpenStudy (anonymous):
that was pretty easy right?
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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
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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