Concept explainers
The number of calories burned per hour for three activities is given in matrix N for a 140-lb woman training for a triathlon. The time spent on each activity for two different training days is given in matrix T.
a. Which product NT or TN gives the total number of calories burned from these activities for each day?
b. Find a matrix that gives the total number of calories burned from these activities for each day.
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COLLEGE ALGEBRA
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