18
The sum of 19 and 9 is 28.
The sum of 10 and 9 is 19.
The sum of 14 and 9 is 23.
-23 is the sum of -32 and 9
Yes, a number is a factor of 9 if the sum of its digits equals 9 or is a multiple of 9. This is based on the divisibility rule for 9, which states that a number is divisible by 9 if the sum of its digits is divisible by 9. Therefore, if the sum of the digits is 9, the number itself is divisible by 9.
The sum of 19 and 9 is 28.
The sum of 10 and 9 is 19.
The sum of 14 and 9 is 23.
The sum of fluorine is 9, as it has an atomic number of 9.
The sum of 1 + 8 is 9.
the sum is the answer to an addition problem e.g.4+5=9 9 is the sum
9+a.
The sum of 8, 11 and 9 is 28.
-23 is the sum of -32 and 9
Yes, a number is a factor of 9 if the sum of its digits equals 9 or is a multiple of 9. This is based on the divisibility rule for 9, which states that a number is divisible by 9 if the sum of its digits is divisible by 9. Therefore, if the sum of the digits is 9, the number itself is divisible by 9.
135 is the sum
the sum of 1 plus 9 is 10 because 1+9