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Chapter 4: Q23. (page 186)
Find the value of each determinant.
23.
The value of the determinant .
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For Exercises 36-39, use the following price list for one-day admissions to the community pool.
38. Write a matrix that represents the cost of admission before 6:00 P.M. and a matrix that represents the cost of admission after 6:00 P.M..
For Exercises 36-39, use the following price list for one-day admissions to the community pool.
39. Find the matrix that represents the difference in cost if a child or adult goes to pool after 6:00 P.M.
Use, , and to determine whether is true for the given matrices.
Find each value if .
48.
For Exercises 11-13, use the table below that shows high school participation in various sports.
Find the total number of students that participate in each individual sport expressed as a matrix.
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