Register

A new movie can be downloaded for $8 per movie. An older movie can be downloaded for $3 per movie. Quinn buys a total of 7 movies and spends $41. A. define your variables. Write…

A new movie can be downloaded for $8 per movie. An older movie can be downloaded for $3 per movie. Quinn buys a total of 7 movies and spends $41. A. define your variables. Write…
160k views
5 votes
A new movie can be downloaded for $8 per movie. An older movie can be downloaded for $3 per movie. Quinn buys a total of 7 movies and spends $41.

A. define your variables. Write the system of equations and represent it as a matrix equation.

b. use matrices to solve the equation by hand

User Ravinder Singh
by
9.1k points

1 Answer

3 votes
let be x the number of new movie, and y the older,
the matrix according to the problem is AZ=B, look at the attached file
A new movie can be downloaded for $8 per movie. An older movie can be downloaded for-example-1
User Patrine
by
7.7k points
← Prev Question Next Question →

No related questions found

Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories

Other Questions

How do you can you solve this problem 37 + y = 87; y =
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement  how thick must the cement be to cover field
Link Copied!