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samalami
 3 years ago
Pre Calc help :( PLEAASSSEEEE
samalami
 3 years ago
Pre Calc help :( PLEAASSSEEEE

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kittykat96
 3 years ago
Best ResponseYou've already chosen the best response.0crap i remember doing this X this is so going to kill me now because this part i understood let me think

samalami
 3 years ago
Best ResponseYou've already chosen the best response.0eeek it's an emergency :(

kittykat96
 3 years ago
Best ResponseYou've already chosen the best response.0do you have notes for this showing how to do it?

kittykat96
 3 years ago
Best ResponseYou've already chosen the best response.0ahhhh im going to die trying to remember this is so easy too im thinking too hard

nitz
 3 years ago
Best ResponseYou've already chosen the best response.0i am not able to open the file

samalami
 3 years ago
Best ResponseYou've already chosen the best response.0how can I post it so you can see it?

nitz
 3 years ago
Best ResponseYou've already chosen the best response.0can u post the question directly?

samalami
 3 years ago
Best ResponseYou've already chosen the best response.0\[33. Find the values of x and y for which \left[\begin{matrix} 2y+5 \\ y2 \end{matrix}\right] =\left[\begin{matrix} x1 \\ 3x\end{matrix}\right] is true.\]

samalami
 3 years ago
Best ResponseYou've already chosen the best response.033. Find the values of x and y for which if you couldn't read that sorry

Azteck
 3 years ago
Best ResponseYou've already chosen the best response.1\[6x 4y=12\] \[y=\frac{3}{2}x3\] \[m_{N}=\frac{2}{3}\] \[m_{N}=\frac{2}{k}\] Therefore k=3

Azteck
 3 years ago
Best ResponseYou've already chosen the best response.1Oops you don't need 32. Nvm.

samalami
 3 years ago
Best ResponseYou've already chosen the best response.0I apologize :/ can you help with the others??

Azteck
 3 years ago
Best ResponseYou've already chosen the best response.1\[x2y=6[1]\] \[3xy=2[2]\] \[[1]\times 3\] \[3(x2y)=3(6)\] \[3x6y=18[3]\] \[[2][3]\] \[(3xy)(3x6y)=(2)(18)\] \[5y=20\] \[y=4\] Substitute the yvalue (ie. 4) into any of the three equations above (ie. [1], [2], [3]) to find the xvalue.

samalami
 3 years ago
Best ResponseYou've already chosen the best response.0THANK YOU SO MUCH!!! 34??

Azteck
 3 years ago
Best ResponseYou've already chosen the best response.1I don't get the format of 34. That's a question foreign to me. What topic is that question from?

Azteck
 3 years ago
Best ResponseYou've already chosen the best response.1Is that absolute values?

completeidiot
 3 years ago
Best ResponseYou've already chosen the best response.0i would assume its find the determinant of course i could be wrong

samalami
 3 years ago
Best ResponseYou've already chosen the best response.0its to solve the matrix

completeidiot
 3 years ago
Best ResponseYou've already chosen the best response.0you cant "solve" a matrix http://en.wikipedia.org/wiki/Determinant

samalami
 3 years ago
Best ResponseYou've already chosen the best response.0I apologize!! it is to find the determinant

Azteck
 3 years ago
Best ResponseYou've already chosen the best response.1You don't need anyone's help with that. Just read the wiki page. It shows you what to add and subtract.

Azteck
 3 years ago
Best ResponseYou've already chosen the best response.1\[\left[\begin{matrix}a & b & c \\ d & e & f \\ g & h & i \end{matrix}\right]\] \[aei+bfg+cdhcegbdiafh\]
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