Mathematics, 26.02.2020 05:49 webtoe
The phone lines to an airline reservation system are occupied 40% of the time. Assume that the events that the lines are occupied on successive calls are independent. Assume that 10 calls are placed to the airline. a. What is the probability that for exactly three calls, the lines are occupied?
Answers: 2
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If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?
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Mathematics, 21.06.2019 23:00
Given the expression (7 ? 4i) ? (2 + 6i), perform the indicated operation and write the answer in the form a + bi.
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Mathematics, 22.06.2019 01:30
If you were constructing a triangular frame, and you had wood in the length of 4 inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood?
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Mathematics, 22.06.2019 02:00
Brittany has designed four different birdcages, each with the same volume: a square pyramid, a cylinder, a cone, and a sphere. the zoo wants to use one of brittany’s designs but plans to change the volume of the cage. find the design change that would result in the birdcage with the greatest volume. a.) increase the area of the base of the square pyramid by a factor of ten. b.) increase the height of the cylinder by a factor of ten. c.) increase the radius of the cone by a factor of ten. d.) increase the radius of a sphere by a factor of ten.
Answers: 1
The phone lines to an airline reservation system are occupied 40% of the time. Assume that the event...
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