Mathematics
23 Online
OpenStudy (anonymous):
ok so I have it this far and I'm stuck... see below...
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OpenStudy (anonymous):
You didn't get very far :/
myininaya (myininaya):
lol
OpenStudy (anonymous):
\[\left(\begin{matrix}5 \\ 2x\end{matrix}\right)+\left(\begin{matrix}8 \\ x\end{matrix}\right)\]=1
\[2x \left(\begin{matrix}5 \\ 2x\end{matrix}\right)+\left(\begin{matrix}8 \\ x\end{matrix}\right)=2x \times1\]
\[2x \times \left(\begin{matrix}5 \\ 2x\end{matrix}\right)+2x\left(\begin{matrix}8 \\ x\end{matrix}\right)=2x \times1\]
OpenStudy (anonymous):
I was typing it
myininaya (myininaya):
?
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OpenStudy (anonymous):
Um.. hmm well I came up with 21/2x
OpenStudy (anonymous):
oh yeah sorry I need to solve for x
myininaya (myininaya):
are those suppose to be fractions?
OpenStudy (anonymous):
how so?
OpenStudy (anonymous):
yeah, I don't know how to do them on here
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OpenStudy (anonymous):
OHHHH I'm sorry! I didn't see the =1
myininaya (myininaya):
frac{}{}
OpenStudy (anonymous):
ok thanks I'll remember that
OpenStudy (anonymous):
2x=21 or x=21/2 then
OpenStudy (anonymous):
ok that's actually what I got just making sure, I thought I was missing something
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myininaya (myininaya):
\[\frac{5}{2x}+\frac{8}{x}=1\]
\[2x*(\frac{5}{2x}+\frac{8}{x}=1)\]
\[5+16=2x\]
right shark
OpenStudy (anonymous):
Yes sir myininaya.. multiply it by 2x because it's the LCD
OpenStudy (anonymous):
these binomials??
myininaya (myininaya):
i guess i will let you get a away with calling me sir
OpenStudy (anonymous):
hello sir
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OpenStudy (anonymous):
Thank you, maybe I just need to stop second guessing myself with this stuff
myininaya (myininaya):
fractions
i already asked
OpenStudy (anonymous):
Erm.. Sorry >.< Yes ma'am! haha
OpenStudy (anonymous):
what i am supposed to read? thought this was a math site!
OpenStudy (anonymous):
Can you guys help me with one more?
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OpenStudy (anonymous):
ok which one makes fractions?
OpenStudy (anonymous):
\[\frac{x+5}{x-2}=\frac{x-2}{x+4}\]
OpenStudy (anonymous):
cross multiply