0
Set up the prolem as x + 9 = 16 (with x representing the unknown number) and solve:
x + 9 = 16 (then subtract 9 from each side of the equation to solve for x)
x = 7
Prove the answer by substiting 7 for x:
x + 9 = 16
7 + 9 = 16
16 = 16
Wiki User
∙ 14y ago
Add your answer:
Earn +20 pts
What is the smallest square number that is the sum of two square numbersfind two squares numbers whose sum is a square number?
25 is a square number, and the sum of 9 and 16 is 25. 9 and 16 are also square numbers.
The sum of a number and 9 is -30. find the number?
39
If 9 is subtracted from two-thirds of a number the result is 7. Find the number.?
⅔ a number - 9 = 7 → ⅔ a number = 7 + 9 = 16 → the number is 16 × 3/2 = 24.
What is the divisibility rule for 9?
If you add up the digits, and the sum is divisible by 9 or a multiple of 9.* * * * *For really big numbers you may need to find the digital root (sum of digits) of the digital root.The divisibility rule for 9 is that the sum of the digits of a number must add up to 9 or a multiple of 9.For example, is 81 divisible by 9? Lets find out! 8+1=9. Then it is divisible by 9.
What is the sum of 7 and 9?
2
The sum of a number and 9 is 16 Find the number?
7
What is the smallest square number that is the sum of two square numbersfind two squares numbers whose sum is a square number?
25 is a square number, and the sum of 9 and 16 is 25. 9 and 16 are also square numbers.
What is a two number have a difference of 2 and a sum of 16?
9 + 7 = 16 9 - 7 = 2
Is the sum of 9 and 7 irrational?
No because 9+7 = 16 which is a rational number
The sum of a number and 9 is -30. find the number?
39
Sixteen minus a mystery number equals half the sum of 16 and 2 What is the mystery number?
The sum of 16+2=18, and half of that is 9, so the question would be 16 minus what equals 9. So, the answer would be 7.
The sum of two numbers is 9 and their difference is 16 What is the smaller number?
-3.5
What is the smaller number If sum of two numbers is 9 and their difference is 16?
-3.5
The sum of a number and its square is ninety find the number?
Find the answer by substituting number into the equationX + X2 = 90and you will find thatX = 9
Is 25 the sum of number of 2 square numbers?
Yes 16+9=25
There is a numbers which is very peculiarthis number is 3 times the sum of itsdigitscan you find the number?
The number is 9.
What is the smallest square number that can be written as the sum of 2 different square numbers?
25 is the sum of 9 and 16. (52 = 32 + 42)
