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the sum of 1 plus 9 is 10 because 1+9

You add 1 plus another one and you get 2

No it equals 2 10 plus 1 equals 11

1 plus 1 equals 1 (in Boolean logic) 1 plus 1 equals 10 (in base 2)

No, silly! You forgot to "carry the 1" from the sum of .4 + .6! The correct total = 11.0

1 + 2 + 4 + ... + 2n = 2n+1 - 1

6+1 equals 7. Plus 3 equals 10. Plus 4 equals 14.

1 + 10 = 11 One plus ten equals 11

1 plus 1 is 2. Plus 1 is 3. Plus 1 is 4. Plus 10 is 14. 14.

1/10+1/2 is the same as 1/10+5/10 which equals 6/10 and can be simplified to 3/5

The answer is 100.

(2, -1)

Anything multiplied by zero is zero - no matter how complex the sum !

10

It equals 28. ,

96

It equals 10

1 plus 19 equals 20 2 plus 18 equals 20 3 plus 17 equals 20 4 plus 16 equals 20 5 plus 15 equals 20 6 plus 14 equals 20 7 plus 13 equals 20 8 plus 12 equals 20 9 plus 11 equals 20 10 plus 10 equals 20 1 times 20 equals 20 2 times 10 equals 20 4 times 5 equals 20

5 plus 25 equals 60. Need to solve for 5 plus 25 equals ?: 2 plus 10 equals 24 is equivalent to 2 × (1 plus 5) equals 2 × (12); and 3 plus 15 equals 36 is equivalent to 3 ×(1 plus 5) equals 3 × (12); thus 5 plus 25 equals ? is equivalent to 5 × (1 plus 5) equals 5 × (12); thus ? = 5 × 12 = 60.

No it does not, one plus one equals two.

(1, 9)

(4, -1)

The sum of -9 and -1 is -10.

3x + 6x +1 = 10 9x = 10 - 1 9x = 9 x = 1

Example in Java: int total = 0; int i = 1 while (i <= 10) { total += i; i++; } System.out.println("The sum of the first ten numbers is " + total);