Suppose the circumference of a crop circle is 150.7968 hectometers (hm). what's the radius of the circle? (use π = 3.1416.)
a. 24 hm
b. 96 hm
c. 48 hm
d. 16 hm

  A.  24  hm

Step-by-step explanation:

The formula for the circumference of a circle is ...

  C = 2πr

Fill in the given values and solve.

  150.7968 hm = 2×3.1416×r

  (150.7968 hm)/6.2832 = r = 24 hm . . . . . divide by 2π

The radius of the circle is 24 hm.

muyb ajo

step-by-step explanation:

jegosu

- "runner b is moving at a slower rate."

- "the graphs shown are graphs of distance(km) against time(min).

the slopes of this graphs are are given by:

slope = (change in y)/(change in x)

= (change in distance)/(change in time)

this is the formula for finding the speed. so, the slope of these graphs represent the speed of the runner.

taking each division in the graph to represent 1 on both axis:

runner a ⇒ speed = (2-0)/(1-0)

= 2/1

= 2 km/min

runner b ⇒ speed = (3-0)/(3-0)

= 3/3

= 1 km/min

this shows that   runner b is moving at a slower rate."