Calculate speed of plane and speed of the wind
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?
Expected delivery within 24 Hours
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.
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?
If they cycle in same direction, James will pass George in seven hours. Determine average rate if speed, in miles per hour, of both cyclists.
Suppose that the mean score on a certain aptitude test across the nation is 100, and that the standard deviation is 20 points. Find the probability that the mean aptitude test score for a randomly selected group of 150 8th graders is between 99.5
First he ran at 8mph for first third of trip but soon got tired and slowed down to 5mph for rest of 2 mile trip. Determine how many minutes it took little piggy to reach home.
A large retail company encourages its employees to get customers to apply for store credit card. Below is the distribution for number of credit card applications recieved per employee determine the mean, the varience, and the standard deviation fo
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