Mathematics, 26.09.2019 13:20 rafi10
Each of a, b and c need a certain unique time to do a certain work. c needs 1 hour less than a to complete the work. working together, they require 30 minutes to complete 50% of the job. the work also gets completed if a and b start working together and a leaves after 1 hour and b works for a further 3 hours. how much work does c do per hour?
Answers: 1
Mathematics, 21.06.2019 13:50
Aman steps out of a plane at a height of 4,000m above the ground falls 2,000m very quickly and then opens his parachute and slowly falls the remaining 2000m to the ground what height above the ground would be the best choice for a reference point
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Mathematics, 21.06.2019 14:00
Which product is positive a is 2/5 -8/9 -1/3 -2/7 b is -2/5 8/9 -1/3 -2/7 c is 2/5 8/9 1/3 -2/7 d is -2/5 -8/9 1/3 2/7
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Mathematics, 21.06.2019 23:00
The price of a car has been reduced from $19,000 to $11,590. what is the percentage decrease of the price of the car?
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Mathematics, 21.06.2019 23:00
Ineed to know the ordered pairs for this equation i need the answer quick because itβs a timed test
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Each of a, b and c need a certain unique time to do a certain work. c needs 1 hour less than a to co...
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