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Chapter 4: Q48. (page 166)

State the dimensions of each matrix.

48.8652−4−1

Short Answer

Expert verified

The dimension of the matrix is 3×2.

Step by step solution

01

- Define the dimension of the matrix

A matrix A with m rows and n columns is a matrix of dimensions m×n.

02

- State an example

Let us consider a matrix A=12−3014. Clearly, matrix A has 2 rows and 3 columns, therefore, the dimension of matrix A will be 2×3.

03

- State the dimension of 8652−4−1

In order to state the dimension of the matrix 8652−4−1, observe that the matrix has 3 rows and 2 columns, therefore, the dimension of matrix will be 3×2.

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Most popular questions from this chapter

For exercise 43-45, use the following information.

The parking garage at Burrough’s Department store charges $1.50 for each hour or fraction of an hour for parking.

45. Jada went shopping at Burrough’s Department store yesterday. She left her car in the parking garage for two hours and twenty-seven minutes. How much did Jada pay for parking?

For Exercises 32 and 33, use the matrix at the right.

1361015...2591420...48131926...712182533...1117243241...1623314050...⋮⋮⋮⋮⋮⋮

Study the pattern of numbers. Complete the matrix for column 6 and row 7.

For exercises 26 and 27, use the advertisement shown at the right.

Write a matrix for the prices of movie tickets for adults, children, and seniors.

Use matricesA, B, Cand Dto find the following.

A=57−163−9,  B=835144,  C=04−257−1,  D=6290−30

27. 6B-2A

Give an example of two matrices whose sum is zero matrix.
See all solutions

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