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Are division and subtraction commutative and associative?
No.Neither are commutative: a - b does not equal b - a, and a/b does not equal b/a.Neither is associative: (a - b) - c does not equal a - (b - c), and (a/b)/c does not equal a/(b/c).Examples of these are:4 - 2 does not equal 2 - 4.1/3 does not equal 3/1.(6 - 5) - 1 does not equal 6 - (5 - 1).(10/2)/2 does not equal 10/(2/2).
How is subtraction like division?
It's basically the same concept. Like subtraction is the opposite of addition, and division is the opposite of multiplication. Just the reverse. Kind of hard to explain.... ask your teacher!
If a plus b equals c what does a plus c equal?
A+c= 2a+b
Are the hypotenuses equal in two right triangles if the legs are equal?
Yes, because a^2 + b^2 = c^2, where a and b are legs and c is the hypotenuse. Therefore, if a and b are equal, so will c.
If a equal 105 and c equal 67 what is b?
To solve this you need more information about the relationship between a, b and c.
