39+25=64
10 + 29 = 39 39 - 12 = 27 27 + 12 = 39 39 - 46 = -7 10 + 29 - 12 + 12 - 45 = -7
So you basically have, (27D-9)+3D = 29+(27D+1) 30D-9 = 27D+30 3D = 39 D = 13
39
The range of the given numbers is 14. To find the range, subtract the smallest number from the largest number in the set. In this case, the largest number is 39 and the smallest number is 25, so the range is 39 - 25 = 14.
39+25=64
21 + 39 + 45 + 25 = 130
10 + 29 = 39 39 - 12 = 27 27 + 12 = 39 39 - 46 = -7 10 + 29 - 12 + 12 - 45 = -7
So you basically have, (27D-9)+3D = 29+(27D+1) 30D-9 = 27D+30 3D = 39 D = 13
39
The range of the given numbers is 14. To find the range, subtract the smallest number from the largest number in the set. In this case, the largest number is 39 and the smallest number is 25, so the range is 39 - 25 = 14.
137.7
39
11
The answer is 218. Simply add the numbers together like you would for two plus two. To check your work, a calculator is the best option.
Lots of sums. 39 plus 28, for example.
25 + 14 = 39