Answer:
The magnetic is stronger when it is closer to the wires. the magnets rotates around the wire. she can determine the directions by telling if it is repelling or attracting objects that contain iron.
Answer:
yes they are proportional because they are in a line
Step-by-step explanation:
Answer:I’m guessing the 3rd one
Step-by-step explanation:
Answer:
-17
Step-by-step explanation:
We can use substitution for this system of equation.
Since x=-2y+9, we can replace x with -2y+9 in the top equation.
6y+(-2y+9)=-59
Simplify and solve.
6y-2y+9=-59
4y+9=-59
4y=-68
y=-17
Answer:12x
Step-by-step explanation:
3+4+5=12