12x =
Just added 3 and 4 and 5 to get twelve
Answer:

Step-by-step explanation:

Answer:

Step-by-step explanation:
The swing of the tip of pendulum is creating an arc. The question is actually asking for the length of this arc. The length of an arc is given by
, where
is the radius of the circle and
is the angle of the arc.
In this problem, we're given:

Substituting given values, we get:

Answer: it is D
explanation: the higher the weight is the higher the cost is