Answer:
x=20
Step-by-step explanation:
The line is a straight line, which is 180 degrees
x+100+3x = 180
Combine like terms
100+4x = 180
Subtract 100 from each side
100+4x-100=180-100
4x=80
Divide by 4
4x/4 = 80/4
x=20
Answer:
To add fractions there are Three Simple Steps:
Step-by-step explanation:
Step 1: Make sure the bottom numbers (the denominators) are the same.
Step 2: Add the top numbers (the numerators), put that answer over the denominator.
Step 3: Simplify the fraction (if needed)
Step-by-step explanation:
Below is an attachment containing the solution.
Step-by-step explanation:
The Pythagorean theorem is:

where c is the hypotenuse.
The two wires in the sketch are the hypotenuse so we just use the formula
let the wires=x
So:




feet