Mathematics, 04.04.2020 22:31 rileyjarvis87
Two trains on opposite tracks leave the same station at the same time. One train travels at an average speed of 80 km/hr and the other travels at an average speed of 70 km/hr. How long after they leave the station will they be 50 km apart?
31 points if solved
Answers: 1
Mathematics, 21.06.2019 22:10
Erinn wrote the equation –5x + 4y = 32 to represent her hourly wage (y) and how this wage has changed during each year that she worked at a company (x). what is the rate of change in erinn's hourly wage per year?
Answers: 2
Mathematics, 22.06.2019 03:00
Graph the equation 8x - 4y = 56. then, trace the graph to find the missing value in the coordinate pairs below: (-10, 140 ) (0, ) (2, ) (4, ) ( , 0)
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Mathematics, 22.06.2019 03:40
The ages of personnel in the accounting department of a large company are normally distributed with a standard deviation of 7 years. there is a 0.02275 probability that the age of any randomly chosen person in the department is less than 22 and 0.15866 probabilty that the age of any randomly chosen person is greater than 43. what is the mean of this distribution?
Answers: 3
Two trains on opposite tracks leave the same station at the same time. One train travels at an avera...
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