What does the notation represent?
A. The number of ways to choose all but 3 items out of 7, wh...
Mathematics, 24.04.2020 18:04 sadiemk821
What does the notation represent?
A. The number of ways to choose all but 3 items out of 7, where order doesn't matter.
B. The number of ways to choose 3 items out of 7, where order does matter.
C. The number of ways to choose all but 3 items out of 7, where order does matter.
D. The number of ways to choose 3 items out of 7. where order doesn't matter.
Answers: 2
Mathematics, 21.06.2019 14:30, theworld58
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 17:00, moneyyfletcher
Tim's phone service charges $23.06 plus an additional $0.22 for each text message sent per month. if tim's phone bill was $28.56, which equation could be used to find how many text messages, x, tim sent last month?
Answers: 2
Mathematics, 13.07.2019 04:00
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Mathematics, 13.07.2019 04:00