To find the mean of the numbers 120, 60, 0, 30, 15, 0, 0, 10, and 20, first sum them up: 120 + 60 + 0 + 30 + 15 + 0 + 0 + 10 + 20 = 255. Then, divide the total by the number of values, which is 9: 255 ÷ 9 = 28.33. Therefore, the mean is approximately 28.33.
LCD(8, 20, 15) = 120
The composite factors of 120 are 4, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120
25
To find the mean of the numbers 10, 20, 25, and 15, first add them together: 10 + 20 + 25 + 15 = 70. Then, divide the total by the number of values, which is 4. So, the mean is 70 ÷ 4 = 17.5.
4, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120
The Least Common Multiple (LCM) for 15 20 120 is 120.
60, 120 and 18060 , 120 , 180
The smallest number that 8 or 12 or 20 will all go in to is 120 120 = 20 x 6 = 12 x 10 = 8 x 15 as there is then no number that goes into 6 and 10 and 15 equally.
60, 120 and 180
The LCM of 8, 10, and 15 is 120.Multiples of 8 are 8, 16, 24, 32, 40, 48, 56, 64, 72, 80, 88, 96, 104, 112, 120, and so on.Multiples of 10 are 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, and so on.Multiples of 15 are 15, 30, 45, 60, 75, 90, 105, 120, and so on.So the LCM of 8, 10, and 15 is 120.The Least Common Multiple (LCM) for 8 10 15 is 120.
120
4, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120
LCD(8, 20, 15) = 120
The composite factors of 120 are 4, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120
The factors of 20 are 1, 2, 4, 5, 10, and 20. The factors of 120 are 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, and 120. The common factors of 20 and 120 are 1, 2, 4, 5, 10, and 20. Therefore, the least (smallest) common factor is 1.
25
10 by 50, 15 by 45, 20 by 40.