0
What is the answer for 2 plus 4 plus 6 plus ... plus 96 plus 98 plus 100?
Wiki User
∙ 6y ago
1+2 = 3
1+2+3 = 6
1+2+3+4 = 10
1+2+...+ N = 1/2(N+1)N
if N = 50, 1+2+...+50 = 1/2 x 51 x 50 = 1275
Since 2+4+6+...+100 = 2 x (1+2+3+...+50) = 2 x 1275 = 2550
Wiki User
∙ 6y ago
Wiki User
∙ 6y agoIt is 2550.
Add your answer:
Earn +20 pts
What should be added to both sides of this equation to solve for the variable a plus 98 equals -2?
96
What is the median of 85 93 95 96 98 99 100 100?
The median for 85, 93, 95, 96, 98, 99, 100, 100 is 97. The number in the middle is 96, and 98. Add - 96 + 98 = 194 Divide - 194 ÷ 2 = 97
What is 98 plus 98?
It might be possible to work this in your head. Your 98 is 100 minus 2. This means 98 plus 98 is 100 plus 100 minus 2 minus 2. That's 200 minus 4 which gives 196 as the answer.
What is 2 plus 98 equals?
2 + 98 = 100
What is 100 plus 99 plus 98 plus 2 plus 1 plus 0.3?
100 + 99 + 98 + 2 + 1 + 0.3 = 300.3
What is 98 plus 2?
100
What should be added to both sides of this equation to solve for the variable a plus 98 -2?
96
What is 1 plus 2 plus 3 plus 4. plus 98 plus 99 plus 100?
5,050
What is sum of 1 plus 2 plus 3 plus . plus 98 plus 99 plus 100?
303
How do you add 1 to 99 without doing 1 plus 2 plus 3 plus 4 and etc?
1 + 99 = 100 2 + 98 = 100 3 + 97 = 100 4 + 96 = 100, etc untll you got to 49 + 51 = 100 There would be 49 of these "=100" answers (That would be 4,900) Plus, you would have 50 left over with nothing to match up to. So your total would be 4,950.
What is the GCF of 98 and 96?
The greatest common factor (GCF) of 98 and 96 is 2.
What mental math method will give you the correct answer to 136 plus 98?
Since 98 is 100 minus 2, you can think of this as 136 + 100 - 2, or 236 - 2, the answer being 234.
