Question

Asked Dec 22, 2019

1 views

For Exercise, solve the system by using the inverse of the coefficient matrix.

5x-3y=-20

10x-7y=-50

Step 1

Given,

Step 2

The given system can be written in matrix form as

Step 3

Now

...Tagged in

Find answers to questions asked by student like you

Show more Q&A

Q: Use the intermediate value theorem to show that the polynomial function has a zero in the given inte...

A: Plug x=-5 to find f(-5)So, f(-5)= -96

Q: factor completely. 4p3− 48p2q+ 144pq2

A: Click to see the answer

Q: Given that A is a 4 × 2 matrix and B is a 2 × 1 matrix, a. Is AB defined? If so, what is the order o...

A: a) A is a 4 × 2 matrix and B is a 2 × 1 matrix Since number of coulmns of A=number of rows of BSo AB...

Q: graph the equation.f(x) = 2|x + 3|

A: Use y in place of f(x).This has vertex at x=-3 because x+3=0 gives x=-3.

Q: Use the change-of-base formula and a calculator to evaluate each logarithm. Round your answer to thr...

A: It is required to evaluate the expression by using change of base formula and calculator:

Q: For Exercise, solve the equation. Write the solution set with exact values and give approximate solu...

A: Divide botth sides by 2.

Q: Explain the difference between a permutation and a combination of n items taken r at a time.

A: Two types of counting problems occur so frequently that they deserve specialattention. These problem...

Q: For Exercise, the nth term of a sequence is given. Find the indicated term. an = 2n− 1; find a10

A: To find the a10 from the given sequence of nth term.

Q: Explain why multiplying a row of an augmented matrix by a nonzero constant results in an augmented m...

A: Consider the provided statement, “multiplying a row of an augmented matrix by a nonzero constant res...