I am asked to turn it into a sum of squares (so that I can affirm that no matter the value of v1,v2,u1,u2, the answer to the formula will be positive). How do I turn this, or any expression, into...

I am asked to turn it into a sum of squares (so that I can affirm that no matter the value of v1,v2,u1,u2, the answer to the formula will be positive). How do I turn this, or any expression, into...

The machine can stuff a batch of envelopes in 5 hours. How long would it take the machines to stuff 10 batches of envelopes? 14 batches of envelopes? I know one equation...

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

Suppose that u•(vxw) = 3 , find u•( wxv) . Please give everyone a detailed explanation on how to solve !

The choices are ( A + B , B transpose + A transpose , AB(transpose) , AB. I know that A + B and B transpose + A transpose is wrong. My teacher said that AB is the correct answer but...

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...

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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...

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...

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...

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...

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...

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

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

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?

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