Consider the linear system x1+2x2+x3+2x4-x5=-2 2x1+3x2+3x3-2x4+2x5=-3 x1 +2x3+x4+x5=-1 If...

Consider the linear system x1+2x2+x3+2x4-x5=-2 2x1+3x2+3x3-2x4+2x5=-3 x1 +2x3+x4+x5=-1 If...

Need help to forecast for next period using Linear Approximation for 12 period regression Raw Data: May 85 June 71 July 66 Aug 49 Sep 28 Oct 85 Nov 75 Dec 25 Jan...

x1 + x2 + 2x3 + 2x4 = 0 x1 + 2x2 + x3 + 3x4 = 0 x1 + 3x2 + 4x4 = 0

I Found an uncommon linear equation from my math book Given : X1 + 4X2 + 9X3 + 16X4 +25X5 + 36X6 +49X7 = 1 4X1 + 9X2 + 16X3 +...

I have no idea what Im doing wrong but I keep getting the wrong answer. What I did first was find two points. So I set z=0 and x=0 . Then I created two vectors and did the cross product for ABxAC...

x1+2x2+x3+2x4-x5=-2 2x1+3x2+3x3-2x4+2x5=-3 x1 +2x3+x4+x5=-1 If (x1, x2, x3,1,4) is solution to this system,...

Determine the reduced echelon form (REF) of the homogeneous linear system of three equations in variables x1, x2, x3, x4, x5 such that x1, x2, x4 are leading variables; x3, x5 are free variables and...

Geiger had a total of twenty eight $5 and $10 bills. If the total amount of money in his pocket is $180 how many of each bill did he have?

Students are having a fundraiser to help pay for a trip. Selling candy yields a profit of $2.45 while selling a box of pretzels yields a profit of $2.70. The demand for pretzels is at least twice...

Martha invested a total of $48,000 in two different funds. One fund earned 10.5% interest and the other earned 12% in one year. After that year her account showed $5520 in interest. How much did she...

A Gamestop sells the following consoles: PS4's, XboxOne's, and Nintendo Switches. For each PS4 it stocks, it needs to have 6 games on hand, for each XboxOne it needs to have 5 games, and for each...

[-3 1] [2 2]

Suppose A and B are 4x4 matrices such that detA=-2 and detB=3 , find det [ (A3)det(B-1 ) ] I dont understand how to find det(detB-1) . What is the property for this?

A bug is moving along the line 3x + 4y = 12 with constant speed 5 units per second. The bug crosses the x-axis when t = 0 seconds. It crosses the y-axis later. Where is the bug when...

http://i.imgur.com/PknZsfZ.png I'm confused on why the first row has values 0 + yk+1 + 0 and the second row has 0 + 0 + yk+2

x1 -2x2 -x3 = b1 -4x1 +5x2 + 2x3 = b2 -4x1 + 7x2 + 4x3 = b3

CT B-1 A2 BAC-1 DA-2 BT C-2 = CT My answer is : D= BA-2 B-1 A-1 CA2 (BT)-1 C2

A= [ 2 -1 4 3 ] [ 2 1 0 1 ] [ 3 -4 1 2 ] [ 1 2 3 -1]

Could someone explain the steps involved in order to find the matrix.

ABCT DBAT C= ABT My answer is (CT)-1B-1 BT C-1 (AT)-1 B-1

Charles P.

College and Test Prep Tutor: IB Papers, GRE, GMAT, MCAT, SAT, AP Exams

New York, NY

5.0
(515 ratings)

Starlyte H.

Ivy League Tutor

Bronx, NY

5.0
(226 ratings)

John P.

Math, Science, Technology, and Test Prep Tutor

Fort Lee, NJ

5.0
(688 ratings)