if you know how to do this showing the work or just giving the answers for me to figure out the work wuold help a lot! thanx
207770
Find the inverse of the matrix\n5 -3\n4  2\nA 2x2 matrix has a formula for the inverse.\nThe inverse of the matrix\na b\nc d\nis \nd/(ad-bc) -b/(ad-bc)\n-c/(ad-bc) a/(ad-bc)\nThus, for the above problem\na = 5, b = -3, c = 4 and d = 2\nad-bc = 5(2) - (-3)(4) = 10+12 = 22\nThe inverse is\n1/11  3/22\n-2/11 5/22\nMultiply this times the  matrix\n-2\n5\n= \n(1/11)(-2) + (3/22)(5)\n(-2/11)(-2) + (5/22)(5)\n= \n1/2\n3/2\nThus, x = 1/2 and y = 3/2 or (1/2,3/2)\nFor the second one the matrix is\n3 2 2\n1 2 -1\n2 -4 1\nThe inverse of this is\n1/14 5/14 3/14\n3/28 1/28 -5/28 \n2/7 -4/7  -1/7\nTake the inverse times the matirix\n3\n5\n0\nto get the matrix\n2\n1/2\n-2\nAnswer: x = 2, y = 1/2 and z =-2 or (2,1/2,-2)
625630
by any chance is this a question from your maths homework? lol :D\n\nI cant work it out myself because to put it simple, im crap at maths.
1649
(4/3)*pi*r^3\n\n[four thirds pi r cubed]\n\ngood luck!
494332
here's a link, page down and see if you can follow the steps. :\ngood luck.\n\nhttp://cstl.syr.edu/fipse/Algebra/Unit2/expo.htm
107530
Go to homeworkhelp.com and get a real live tutor. You chat with them and ask your question and they help you figure it out. Don't get too excited though because they don't give you the answer, straight up.
62209
This is not a forum to have your homework questions answered. Try actually doing the work yourself.
395556
Try Google or Yahoo.  You'll find worked examples there.  I think it needs diagrams to understand; they and the accompanying explanations are too complex to attempt to reproduce here.
231329
Why don't you share with us what you have done so far instead of just asking someone to do your homework?\n\nSorry about the snide remark. Here is your well-deserved step-by-step solution:\nhttp://www.rgetso.com/yahoo/afchica101.pdf
573646
Ive noticed you were asking quite alot of these geometry questions. I think you should pay more attention in class and you wouldnt need to ask home work questions, and plus, just knowing the answer wont help, youll have to know how to do it, especially if this is for a final exam...
97890
I haven't checked to be sure, but theres a site called 'howstuffworks.com' I believe, and it has diagrams and breakdowns of just about anything. Check it out.
50778
im great with algebra, ive been doing it for the past 4 years now non stop, email me and ill be more than happy to show you how to do it step by step and answer you questions\nzinger_38@yahoo.com
22678
http://www.studentquestions.com/homework_ans/4244.html
484084
1. Xc = 1/2πfC\nSo 2πfC = 1/Xc\nSo C = 1/2πfXc\n\n2. ib = ibq + √2is\nSo √ = ib - ibq\nSo 2is = (ib - ibq)²\nie is = ½(ib - ibq)²\n\n3. Q = XL/R\nSo XL = QR\n\n4. Lt = L1 + L2 - 2Lm\nSo 2Lm = L1 + L2 - Lt\nie Lm = ½(L1 + L2 - Lt)\n\n5. R1=i2 R2 / i2\n??????? So R1 = R2\n\n6. Es = E1 + E2 + E3\nSo E2 = Es - E1 - E3\n\n7. R1 / Rx = R2 / R3\nSo Rx / R1 = R3 / R2\nSo Rx = R1 * R3/R2\n\n8. y = Mx + b\nSo Mx = y - b\nSo M = (y - b)/x\n\n9. i2=i1 R1 / R2\nSo i1 R1 = i2R2\nie i1 = i2 R2 / R1\n\nI would be extremely concerned about your progress if you find this simple algebra a serious chore!!!!!! (Especially if you are learning the electrical trade)
118902
Oh, come on. I answered your first one, and now you flood the board with your homework? Are you really that lazy to think it's easier to post your homework here? These problems are all the same, with different numbers. Do it yourself, I already showed you how.
49197
you should probally try and ask the questions here somebody will usually answer and might be able to give step by step instructions on how to do the stuff...thats what I do  :)
625554
i wont answer.... log onto www.mathguru.com and discover solutions with explanations.
319182
Not a site, but I suggest you invest in something called Mathcad.\nTeach, please note, it is a site not a sight! Unless you were 'looking' for the answer... sorry!