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Chapter 4: Q27. (page 157)

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

What are the dimensions of the matrix?

Short Answer

Expert verified

The dimensions of matrix are 3×3.

Step by step solution

01

– Description of step.

Matrix is an ordered rectangular arrangement of numbers in horizontal rows and vertical columns enclosed in brackets.

02

– Description of step.

Let three columns stands for Evening, Matinee and twilight shows respectively and three rows stands for prices of movie tickets for adult, child and senior.

03

– Description of step.

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

7.505.503.754.504.503.755.505.503.75

04

– Description of step.

Write the dimension of the matrix.

The matrix in the step 3 has 3rows and 3columns, the dimensions of matrix are 3×3.

Therefore, the dimensions of matrix are 3×3.

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Most popular questions from this chapter

For exercises 30-32, use the following information. The Cookie Cutter Bakery records each type of cookie sold at three of their branch stores. Two days of sales are shown in the spreadsheets below.

31. Find the sum of the two days’ sales expressed as a matrix.

State the dimensions of each matrix.

11. 789

Perform the indicated matrix operation. If the matrix doesn’t exist, write impossible.

14. −5768−40−2901

Find the value of each expression.

-2-8

For exercises 30 and 31, use the costs for an overnight stay at a hotel that are given below.

Single room: \(60 weekday; \)79 weekend

Double room: \(70weekday; \)89weekend

Suite: \(75 weekday; \)95 weekend

30. Write a 3×2 matrix that represents the cost of each room.
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