Mathematics, 28.10.2020 21:20 maritzamartinnez
An airline charges $100 for an economy class seat, $200 for a business class seat, and $400 for a first class seat. There are two times as many economy class seats as business class seats on an airplane. The revenue from selling all 100 seats on the airplane is $16,000. How many of each type of seat does the airplane have? The airplane has___ economy class seats, ___ business class seats, and__ first class seats.
Answers: 3
Mathematics, 21.06.2019 15:30
Find the number of positive three-digit even integers whose digits are among 9, 8, 7,5, 3, and 1.
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Mathematics, 21.06.2019 19:30
Nikolas calculated the volume of the prism. his work is shown below.
Answers: 1
Mathematics, 21.06.2019 21:30
Acd that is originally priced at $15.85 red-tagged for the sale. what is the sale price of the cd
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Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?
Answers: 1
An airline charges $100 for an economy class seat, $200 for a business class seat, and $400 for a fi...
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