Answer:
When they get their hair cut it will be 69 inches long. It would take 23 months for both.
Step-by-step explanation:
1x3=3
3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57,60,63,66,69
Answer: All polygons follow a rule that the sum of their exterior angles will equal 360 degrees.
40
look at the picure for step by step explanation
The variance of these investment returns is 74
Given:
Series = 10, 30, 15, 5, 20
To Find:
variance of a series = ?
Solution:
The variance of the series =
Now
=
= 36 + 196 +121 + 1+ 16
= 370
= 74
You answered it correctly :)