Algebra equation solving by Matrix

Algebra equation solving by Matrix

Find the values of a and b such that the following system has solution (1, −2, 3). [1 a b 1] [2b 2a 5 13] [2a 7...

I1-I2-I3=0 1714I2+1000I3+250=0 -1714I2-2000I3+500=0

I have a matrix multiplication in order to receive an equation. I have solved it, but I'm not sure of the answer. Can you guys help me out here.?? The first matrix is a 2×2 matrix : ...

5x-6y=-8 3x-y=3

Given a 3 × 3 matrix B with real entries, suppose that the system of linear equations determined by B(x1 x2 x3) = (0 1 1) (they should be column matrices.) has infinitely many solutions...

determine if {A ∈ M3x3 (R) : Tr(A) = 0 } is a subspace of M3x3 (R)

Starbucks wants to sell a 10 lb bag of coffee consisting of 3 flavors: vanilla, hazelnut, mocha.The vanilla sells for $2 per lb; hazelnut for $2.50 per lb; mocha for $3 per lb. the bag will contain...

$1500 is invested in a fund that pays an annual interest rate of X%. $3000 is invested in a fund that pays an annual interest rate of Y%. The combined annual interest from both funds is $210. The...

Starbucks wants to sell a 10 lb bag of coffee consisting of 3 flavors: vanilla, hazelnut, mocha.The vanilla sells for $2 per lb; hazelnut for $2.50 per lb; mocha for 43 per lb. the bag will...

Nissa and Juancho have $90 together. Nissa has 8 more dollars than Juancho. How much does each have? (I have to set up a matrix and solve) I know N+J=90 and J=N+8

In A.A-1 = A-1.A How (A-1)-1 = A ? Tell me the process

a) the sum of two numbers is 37. the secound number is 3 more than the first number. write a system of equations to represent the given information b) write a matric equation for the...

Let's say that a and b are independent vectors, while x and y are non-zero scalars. Suppose there is a matrix A = [a xa b...

just need three equations so i can create the matrices and i can solve from there.

Is it possible for a matrix A to be equal to the negative of its own transpose? That is, is it possible for ? If so, give an example of a nonzero 2x2 matrix A that satisfies this equation.

if A inverse matrix is given then is it able to find determinant of A(find determinant of A matrix NOT the determinant of A inverse matrix)plz tell me its urgent

2 y -1 Given A = y 2 1 . Find y if /A/ =...

Kayla and Mario are playing with a football at the park on a windy day. Mark throws the football straight up in the air, and a gust of wind blows it 10 feet west and 4 feet south from Mark.If |x over...

What is the relationship between the three elementary row operations performed on augmented matrix and the operations that lead to equivalent systems of equations?