Answer:
The approximate circumference is 62.8 mm
Step-by-step explanation:
Circumference is basically the perimeter of the circle
Circumference is given by

Here the diameter is 20 mm, so the radius will be half of diameter = 10 mm
Substituting the given values, in above equation, we get -
Circumference =
mm
The approximate circumference is 62.8 mm
The answer for this is 8.
Answer:
Job A=40 hours=73.50 job=B=50hours=120.40
Step-by-step explanation:
1) True. In a function, each x value has exactly one y value.
2) False. For example

is a function, but is not linear. It is represented by a parabola.