A community for students.
Here's the question you clicked on:
 0 viewing
samalami
 2 years ago
Pre Calc help :( PLEAASSSEEEE
samalami
 2 years ago
Pre Calc help :( PLEAASSSEEEE

This Question is Closed

kittykat96
 2 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
 2 years ago
Best ResponseYou've already chosen the best response.0eeek it's an emergency :(

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

kittykat96
 2 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
 2 years ago
Best ResponseYou've already chosen the best response.0i am not able to open the file

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

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

samalami
 2 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
 2 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
 2 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
 2 years ago
Best ResponseYou've already chosen the best response.1Oops you don't need 32. Nvm.

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

Azteck
 2 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
 2 years ago
Best ResponseYou've already chosen the best response.0THANK YOU SO MUCH!!! 34??

Azteck
 2 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
 2 years ago
Best ResponseYou've already chosen the best response.1Is that absolute values?

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

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

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

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

Azteck
 2 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
 2 years ago
Best ResponseYou've already chosen the best response.1\[\left[\begin{matrix}a & b & c \\ d & e & f \\ g & h & i \end{matrix}\right]\] \[aei+bfg+cdhcegbdiafh\]
Ask your own question
Sign UpFind more explanations on OpenStudy
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.