In how much time will cover distance in absence of wind
The aircraft travels upwind with the speed of 420 mph for 7 hours. In how much time will it cover same distance in absence of wind? Wind speed is given as 120 mph.
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Define query evaluation, Explain what you understand by the following terms: i.Query Evaluation ii.Query optimization Discuss the ways or strategies you can apply to improve the query perfor
He then returns home at same speed but takes the different route. The return trip takes one hour longer and is 25 miles. Determine the speed.
For the following problem, maximize or minimize objective function according to what problem asks:
Jenny, who rides the moped, takes two hours less to travel 60 miles than Maureen takes to travel 50 miles on the bicycle.
A man will win $ 70 if he throws either a seven or twelve in the roll of a pair of dice. He will Lose $ 20 if he does not. What is the man's mathematical expectation?
The small plane flying into wind takes 3 hours 20 minutes to complete flight of 960 km, flying with wind, same plane takes 2 hours and 30 minutes to make same trip. Determine speed of plane and speed of the wind?
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