4 and 9.
The two numbers that add up to thirteen are 5 and 8. In the sequence 163511, these are the only two digits that can be combined to reach the sum of thirteen.
yes
9 and 36
40
36 and 64
9 + 25
The two square numbers that add together to make 100 are 36 and 64. Specifically, (6^2 = 36) and (8^2 = 64). When you add them together, (36 + 64 = 100).
1 and 9
16 and 9
9 and 36
4 (the square of 2) and 36 (the square of 6) add up to 40.
27