Mathematics, 27.06.2019 22:40 animaljamissofabu
the food mart grocery store has a candy machine. each time a customer inserts a quarter, 7 candies come out of the machine. the machine holds 15 pounds of candy. each pound of candy contains about 180 individual candies. assume the number of candies is never less than zero.
1. about how many candies are in the machine when it’s full?
2.how does the number of candies change based on the number of customers who bought candy?
3.write a recursive formula to represent the number of candies remaining in the machine.
4.write an explicit formula to represent the number of candies remaining in the machine for any number of customers.
Answers: 3
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An automated water dispenser fills packets with one liter of water on average, with a standard deviation of 5 milliliter. the manual says that after a year of operation the dispenser should be tested to see if it needs recalibration. a year later a number of filled packets are set aside and measured separately. it is found that the average packet now contains about 0.995 liters. does the dispenser need calibration? explain your answer.
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