25
18 and 25
To write this algebraically: 2x+18>25 and solve: 2x>25-18 x>7/2 Therefore x (a number) must be greater than 7/2.
The sum of -18 and 39 is 21.
20, is the sum of 18 and 2.
25
25 and 18 are a factor pair of 450 whose sum is 43.
18 and 25
To write this algebraically: 2x+18>25 and solve: 2x>25-18 x>7/2 Therefore x (a number) must be greater than 7/2.
You can't, a SUM is the amount obtained as a result of adding numbers (18+7=25)18x7 is asking you to MULTIPLY the two numbers. This is call the PRODUCT of the two numbers (18*7 = 126).
The sum of 16 and 18 is 34.
The sum of -18 and 39 is 21.
20, is the sum of 18 and 2.
The mean = The sum of all the values ÷ The number of values. 18 + 15 + 22 + 18 + 25 + 19 + 23 = 140 : Number of values = 7 Mean = 140 ÷ 7 = 20
The sum of 18, 6 and 6 is 30. That is, 18 + 6 + 6 = 30.
18 + 12 = 30
The sum of the first 25 prime numbers is 1,060.