Mathematics, 11.07.2019 15:30 harleycrider2251
"marina burns calories at a rate of 15 calories per minute when running and 6 calories per minute when walking. suppose she exercises for 60 minutes by running for r minutes and walking for the remaining time. the expression 15r+6(60-r) represents the calories burned. what does each term represent? "
Answers: 1
Mathematics, 22.06.2019 00:50
How does the graph of y = 3x compare to the graph of y = 3-x?
Answers: 1
Mathematics, 22.06.2019 01:40
Which statement is true about the extreme value of the given quadratic equation? a. the equation has a maximum value with a y-coordinate of -21. b. the equation has a maximum value with a y-coordinate of -27. c. the equation has a minimum value with a y-coordinate of -21. d. the equation has a minimum value with a y-coordinate of -27.
Answers: 1
Mathematics, 22.06.2019 02:50
Atourist boat is used for sightseeing in a nearby river. the boat travels 2.4 miles downstream and in the same amount of time, it travels 1.8 miles upstream. if the boat travels at an average speed of 21 miles per hour in the still water, find the current of the river.
Answers: 2
"marina burns calories at a rate of 15 calories per minute when running and 6 calories per minute wh...
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