subject
Mathematics, 26.12.2020 14:10 james8781

Three towns are located on the earth's surface at the following coordinates :P(60°N,35°W),Q(75°N,145°E),R(60°N, 25°E). A commercial airliner A whose speed is600km/h flies from p to q using the shortest route possible . A similar airliner B takes off from P at the same time as A and flies to town R along the parellel of latitude. Both air lines fly at the same speed. Giving your answer to the nearest minute ,determine which airliner arrives at its destination earlier and by how long. Use radius of the Earth as 6370km(ans is airline B ,2h 47min could you please show me the working )

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 15:00
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. increase the area of the base of the square pyramid by a factor of ten. increase the height of the cylinder by a factor of ten. increase the radius of the cone by a factor of ten. increase the radius of a sphere by a factor of ten. juan wants to build a greenhouse in his back yard. he needs to maximize the ratio of floor area to structure volume in order to provide the most room for plants while minimizing the area to be heated. find the description of the structure that best meets juan’s criteria. a cube with a side length of 12 feet a cone with a diameter of 12 feet and a height of 10 feet a square pyramid with a base side length of 12 feet and a height of 9 feet a hemisphere with a diameter of 12 feet marion has a bicycle that she is planning to take for a ride. the rim of the rear wheel lies 41 cm from the center of the wheel. the tire itself has a thickness of 3 cm.in order to marion to ride her bicycle 96,712 cm, approximately how many rotations will the rear wheel make? 350 15.9 376 5133 an isosceles trapezoid has perimeter of 42 inches. each of the congruent nonparallel sides is 5 inches long, and the trapezoid is 3 inches tall. how long are the two parallel sides? 10 inches and 16 inches 12 inches and 20 inches 16 inches and 16 inches 10 inches and 22 inches
Answers: 1
question
Mathematics, 21.06.2019 18:30
Hii1977 cleaner shrimp are a species of shrimp that clean parasites from other organisms. fish allow the shrimp to eat the parasites in their mouth. the shrimp get a source of nutrition. the relationship between the shrimp and the fish is this association indicates that for the smaill aneser arecommensal,mutualistic,or parasitic for the begger one the anser are the shrimp and fish benefit each other , the shrimp harm the fish, or the fish do not benetit from the shrimp
Answers: 3
question
Mathematics, 21.06.2019 18:50
Which expression shows the sum of the polynomials with like terms grouped together
Answers: 2
question
Mathematics, 21.06.2019 19:00
What are the solutions of the system? solve by graphing. y = x^2 + 3x + 2 y = 2x + 2
Answers: 1
You know the right answer?
Three towns are located on the earth's surface at the following coordinates :P(60°N,35°W),Q(75°N,145...
Questions
question
Mathematics, 09.02.2021 20:50
question
Mathematics, 09.02.2021 20:50
question
Mathematics, 09.02.2021 21:00
question
Mathematics, 09.02.2021 21:00
question
Mathematics, 09.02.2021 21:00
question
Mathematics, 09.02.2021 21:00
Questions on the website: 13722363