Mathematics, 31.08.2020 02:01 richtercatrina16
A man travels x km at 60 km/h and y km
at 40 km/h and takes 2 hours for the
journey. If the time taken to travel 5x km at
40 km/h and 3y km at 50 km/h is 11 hours
42 minutes, find x and y.
Answers: 2
Mathematics, 21.06.2019 15:10
The highest point on earth is the peak of mount everest if you climb to the top you would be approximately 29,035 feet above sea level at remembering that amount is 5280 feet percentage of the height of the mountain would you have to climb to reach a point 2 miles above sea level
Answers: 2
Mathematics, 21.06.2019 21:40
The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?
Answers: 2
A man travels x km at 60 km/h and y km
at 40 km/h and takes 2 hours for the
journey. If the ti...
journey. If the ti...
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