Mathematics, 28.07.2020 18:01 quay84
Movie tickets for 2 adults and 3 children cost $44.50. Tickets for the same movie cost $25.50 for 1 adult and 2 children. (a) Let a represent the cost of a ticket for an adult and c represent the cost of a ticket for a child. Write a system of equations that can be used to find a and c. (b) What is the total cost of tickets for 1 adult ticket and 1 child ticket?
Answers: 3
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Asimple random sample of size nequals14 is drawn from a population that is normally distributed. the sample mean is found to be x overbar equals 70 and the sample standard deviation is found to be sequals13. construct a 90% confidence interval about the population mean
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Mathematics, 21.06.2019 14:10
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Mathematics, 21.06.2019 16:30
Jackie purchased 3 bottles of water and 2 cups of coffee for the family for $7.35. ryan bought 4 bottles of water and 1 cup of coffee for his family for 7.15. how much does each bottle of water cost? how much does each cup of coffee cost?
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Mathematics, 21.06.2019 23:20
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Movie tickets for 2 adults and 3 children cost $44.50. Tickets for the same movie cost $25.50 for 1...
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