Mathematics, 09.12.2019 20:31, Sbeech7362
Thirty-five sophomores, 69 juniors and 24 seniors are randomly selected from 461 sophomores, 328 juniors and 558 seniors at a certain high school. what sampling technique is used? a. stratified b. cluster c. convenience d. systematic e. random
Answers: 3
Mathematics, 21.06.2019 14:30, kawaiiiiiiii4715
The circumference of a circle is 5 pi cm. what is the area of the circle?
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Mathematics, 21.06.2019 19:30, kristofwr3444
Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. how many hours after the truck's departure will the two meet?
Answers: 1
Mathematics, 21.06.2019 22:30, aliviafrancois2000
Awindow washer cleans 42 windows in 2 hours. at this rate, how many windows did he clean in 180 minutes.
Answers: 2
Thirty-five sophomores, 69 juniors and 24 seniors are randomly selected from 461 sophomores, 328 jun...
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