15
no 11 is not a perfect number because when u add the factors the don't add up to 11
143
187
The 11 interior angles add up to 1620 degrees
The two numbers that multiply to 24 and add up to -11 are -3 and -8. When multiplied, -3 × -8 equals 24, and when added, -3 + -8 equals -11.
no 11 is not a perfect number because when u add the factors the don't add up to 11
31
it means that you add it up and it equals 11
-11
143
17
187
Factors multiply, like 1 x 11. Addends add, like 5 and 6.
11 and 3
Factors are multiplied, not added. The question needs to be something like, "Which two factors of thirty add up to 11?" The answer would then be 5 and 6.
137 and 11 are two prime numbers that add up to 148.
The 11 interior angles add up to 1620 degrees