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What are equals 15 in addition?
8 and 7 6 and 9 10 and 5
Why can you use addition to check your subtraction?
Addition is the opposite of subtraction. For example, 24 - 9 = 15. If you want to check your answer, add 9 + 15. It equals 24, so your answer is correct.
What is 15 to the power of 2 equals?
15 to the 2nd power or 15 squared equals 15 * 15 which equals 225.
What equals 35 in addition?
15+20
What times itself equals 225?
15 times 15 equals 225.
What addition problems equals the sum of 17?
15+2
What addition problems equals the sum of 12?
11+1
Is 7 plus 15 equals 15 plus 7 a commutative addition or associative addition problem?
15 -7 = 8
What are equals 15 in addition?
8 and 7 6 and 9 10 and 5
What is the fact family for 8 plus 7 equals 15?
This is the identity property of addition.
Why can you use addition to check your subtraction?
Addition is the opposite of subtraction. For example, 24 - 9 = 15. If you want to check your answer, add 9 + 15. It equals 24, so your answer is correct.
Use addition or substitution to find the value of x for this set of equations for x - y equals 120 x plus y equals 150?
X = 135 and y = 15 Solved by addition and substitution
9 plus 7 equals?
yes addition is commutative so is multiplication but not subtraction
How do you solve these addition problems -987 plus 987 equals?
Any positive number added to it's negative is always = 0
123 plus 54 equals 15 71 plus 2 equals 10 33 plus 77 equals?
The answer is 20. In each addition, the individual digits are added together (1+2+3+5+4 = 15)
What is 15 to the power of 2 equals?
15 to the 2nd power or 15 squared equals 15 * 15 which equals 225.
15 increase by a number equals 27 what is answer?
The word increase means the problem is addition: 15 + x = 27. Reorder the problem so that it is subtraction: 27 - 15 = x and solve for x. X = 12.
