Let the two numbers be x and y.
We know that:
x+y=72
x-y=12
Sum the two equations:
2x=84
Divide both sides by 2:
x=42
Plug this value for x in one of the two equations:
42-y=12 ---> y=42-12=30
√78 is between 8 and 9
∛101 is between 4 and 5
∛80 is between 4 and 5
√20 is between 4 and 5
∛600 is between 8 and 9
Answer:
the answer is D just click on it man or lovely woman
Step-by-step explanation:
Answer:
-x - 13
Step-by-step explanation:
5(x-4) + 3x - 9x + 7
First we use the distributive property to remove the parenthesis
5x -20 + 3x - 9x + 7
then we combine the like terms
-x - 13