Mathematics, 24.06.2019 10:10 ashleymspears
The miller family and the washington family each used their sprinklers last summer. the water output rate for the miller family's sprinkler was 30 l per hour. the water output rate for the washington family's sprinkler was 15 l per hour. the families used their sprinklers for a combined total of 70 hours, resulting in a total water output of 1650 l . how long was each sprinkler used?
Answers: 2
Mathematics, 21.06.2019 14:50
An assembly consists of two mechanical components. suppose that the probabilities that the first and second components meet specifications are 0.87 and 0.84. assume that the components are independent. determine the probability mass function of the number of components in the assembly that meet specifications. x
Answers: 1
Mathematics, 21.06.2019 16:30
International calls require the use of a country code. many country codes a 3-digit numbers. country codes do not begin with a 0 or 1. there are no restrictions on the second and third digits. how many different 3-digit country codes are possible?
Answers: 2
Mathematics, 21.06.2019 17:00
Asailor is looking at a kite. if he is looking at the kite at an angle of elevation of 36and the distance from the boat to the point where the kite is directly overhead is 40 feet, how high is the kite?
Answers: 3
Mathematics, 21.06.2019 18:30
The distance between two cities is 368 miles. if the scale on the map is 1/4 inch=23 miles, what is the distance between the cities on the map?
Answers: 3
The miller family and the washington family each used their sprinklers last summer. the water output...
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