Answer:
Answer
Correct option is
D
all of the above
For any two rational numbers a and b,
(a+b),(a−b),(b−a) & (a×b) are all rational numbers.
Thus, rational numbers are closed under addition, subtraction and multiplication.(for the first one)
Answer:
The sum of x and y is a rational number
Step-by-step explanation:
X+Y or 5+7=12
A rational number is any number that can be divided without going on and on forever. ( for the 2nd one)
X=6
Isolate the variable by dividing each side by factors that don’t contain variable
I believe the least common denominator is six.
Answer:
do you have a picture of the problem as well?
Step-by-step explanation:
Answer:
respuesta el joven tiene 15 y el padre 30