Answer:
XZ
Step-by-step explanation:
The intersection of the 2 planes is along the line XZ
Answer:
x=-7
Step-by-step explanation:
5x-2x+1=3x-6-x first combine like terms
3x+1=2x-6 combine like terms by subtracting 2x from both sides
x+1=-6 subtract 1 from both sides
x=-7
Answer:
Johnny is wrong.
Step-by-step explanation:
Johnny is wrong.
A better definition would be: is the set of all elements that belong to at least one A or B.
So, the elements that belong to both A and B, like c and d in this exercise, also belong to .
So:
Answer:
-1
Step-by-step explanation: