$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...

$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...

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

Taylor's and Sower's are two stores that do alterations of garments. Neither store has achieved 100% customer loyaty: 35 % of Taylor's customers take their next job to Sower's, and 45 % of Sower's...

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...

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

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

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

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...

Elimination produces A = LU. The eigenvalues of L are on its diagonal. They are... The eigenvalues of U are on its diagonal. They are all... The eigenvalue of A is not the same as ... I...

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.

Say there is Q(x)=3x12 + 3x12 + 2x1x2 , where there's a vector x = [x1 x2]T. I need to find a change of variable x=Uy, where y=[y1 y2]T so that...

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

Use row transformations to get the matrix into row echelon form. Use a graphing calculator to get the matrix obtained from part (a) into reduced row echelon form.

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...

In 1992, many homeowners refinanced their mortgages to take advantage of lower interest rates. Most of the mortgages could be classified into three groups: 30 year fixed rate, 15-year fixed rate,...

Gambler’s Ruin problem - Suppose players A and B have a coin tossing game going on – a fair coin is tossed and the player predicting the toss correctly wins $1 from the other player. Suppose the players...

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

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