Answer:
x
=
d/
C
+
r/
C
Step-by-step explanation:
The "/" means fraction
Mark me as brainliest please
Answer:
18 meters
Step-by-step explanation:
The circumference is given by
C = pi *d
18 pi = pi *d
Divide each side by pi
18 pi / pi = pi * d/pi
18 =d
Answer:
yes. I did subscribe to skeppy. good luck with the chart.
Answer:
2424.5
904.16
Step-by-step explanation:
the mean = ∑frequency /n
∑f = 5+17+36+115+125+81+47+45+22+7 = 500
∑xf = 1212250
∑x²f = 3347037625
sample mean = 1212250/500
= 2424.5
variance = 1/500-1[3347037625 - 1212250²]
= 815710.02
standard deviation is = √variance
standard deviation = √815710.02
= 904.16