Two consecutive integers whose sum is 19 is 10 & 9; 10+9 = 19.
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For 6 sided dice, there is only 1 way to get a 2: (1,1). There are 36 outcomes rolling 2 dice; so the probability of rolling two numbers whose sum is 2 is 1/36.
1, 4 and 7
The two dice sum of 4: 1,3 2,2 3,1 = 3 in 36 = 1 in 12
Let x = 1st even number. x+2 = 2nd even number. x+ (x+2) = 54; 2x+2 = 54; 2x = 52; x = 26. Therefore x+2 = 28. 26 + 28 = 54.
If you roll a pair of six sided number cubes the probability of rolling two numbers whose sum is 6 is 5/36 or 0.1389. There are 5 ways to get 6: 1,5 & 5,1 & 4,2 & 2,4 & 3,3. There are 36 outcomes for a roll of 2 dice.