ok so F (0) should be equaled to = 0
Let x be the number of square feet to be mowed
215 square feet take 22 minutes
x square feet take 12 minutes
Look carefully at the diagram. The shaded region represents 3/4 of the total area of the circle, which, in turn, is pi*r^2, or pi*(8 cm)^2.
Thus, the area of the shaded region is (3/4)*pi*(64 cm^2), or 48 pi cm^2.
Answer:
68
Step-by-step explanation:
2a
2x34(adding value of a)
68