If xy=0
assume that at least x or y=0
3(x-3)=0
therefor
3=0 or x-3=0
3=0 is false
therefor
x-3 mus equal zero
x-3=0
add 3 to both sides
x=3
Answer:
C.
Step-by-step explanation:
The correct answer is 1.7 times 10^3.
Answer:
B
Step-by-step explanation:
10 + (-42)
10 - 42
-32
Answer: Its in the pic below
Step-by-step explanation: Hope this helps have a brilliant day- Lily ^_^