Mathematics, 10.02.2021 16:00, genyjoannerubiera
The mean of 4 numbers is 32. If three of the numbers are 15, 21, and 75, what is the value of the fourth number?
Answers: 3
Mathematics, 21.06.2019 12:30, lanakay2006
Timed***how else can the sequence for row 1 be written? notice: square a: 1 penny = 20 square b: 2 pennies = 21 square c: 4 pennies = 22 the sequence formed is geometric, with a1 = , and common ratio r = .
Answers: 1
Mathematics, 21.06.2019 21:00, millie54
Two cars which are 40 miles apart start moving simultaneously in the same direction with constant speeds. if the speed of the car which is behind is 56 mph and the speed of the other car is 48 mph, how many hours will it take for the car which is behind to catch up the car ahead of it?
Answers: 2
The mean of 4 numbers is 32. If three of the numbers are 15, 21, and 75, what is the value of the fo...
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