Mathematics, 18.09.2019 09:30 emiliogutierrez
How many ways can a president, vice-president, secretary, and treasurer be chosen from a club with 9 members? assume that no member can hold more than one office?
Answers: 1
Mathematics, 21.06.2019 14:30
Aswimming pool has an input pump for filling the pool and an output pump for emptying the pool. the input pump can fill the pool in 3 hours, and the output pump can drain the pool in 5 hours. as you go to bed, the pool is full, but a neighbor’s kid turns on the output pump. at midnight, you awake to find the pool half empty. immediately, you turn on the input pump, but you are sleepy and forget to turn off the output pump. at what time will the pool become full?
Answers: 1
Mathematics, 21.06.2019 16:00
Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?
Answers: 2
Mathematics, 21.06.2019 20:40
What are the values of each variable in the diagram below?
Answers: 2
How many ways can a president, vice-president, secretary, and treasurer be chosen from a club with 9...
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