The 3rd one is the right one!!!!!!!!!!!!!!!!!!
if we name that part x, then we can say
1/x = 1/a + 1/b
Answer:
The circumference of a circle is not the same as the area of the circle because the circumference represents the distance around the circle while the area represents the amount of space within the circle. Hope this helps.
Answer:
All three chose a valid first step toward solving the equation.
All approaches are algebraically correct
-x + 4 + 20x = 156
19x + 4 = 156
- 4. -4
19x = 152
19. 19
X = 8