Answer:
the answer is 9 :)
Step-by-step explanation:
Answer:
Standard Deviation = 5.928
Step-by-step explanation:
a) Data:
Days Hours spent (Mean - Hour)²
1 5 61.356
2 7 34.024
3 11 3.360
4 14 1.362
5 18 26.698
6 22 84.034
6 days 77 hours, 210.834
mean
77/6 = 12.833 and 210.83/6 = 35.139
Therefore, the square root of 35.139 = 5.928
b) The standard deviation of 5.928 shows how the hours students spend outside of class on class work varies from the mean of the total hours they spend outside of class on class work.
Answer:
its B
Step-by-step explanation:
she went deeper than 21 feet so greater than 21
Answer:
=5x^2y+15
Step-by-step explanation:
16x^0+5x^2*y-1=
16x0+5x2y−1
Combine Like Terms:
16+5x2y+−1
=(5x2y)+(16+−1)
=5x^2y+15
Hope this helps!!! If you ever need more help just ask in the comments or somewhere.
