Start at -150, then add 3(-5), then add 122.2. -150 + 3(-5) + 122.2 = -45.3
Divide it up by 5 because 9+6=15
Or u could divide it up by 3
Answer:
Add the area of the rectangle with the semicircle.
10x4 + 0.5(3.14)(25)
40+39.25
79.25
So the answer is C. 79.
Let me know if this helps!
Answer:
c
Step-by-step explanation:
im not for sure but i think its c
Answer:
0.4494
Step-by-step explanation:
Given :
marks number of students
20-29 8
30-39 12
40-49 20
50-59 7
60-69 3
The range Coefficient is obtained thus :
Range Coefficient = (Xm - Xl) / (Xm + Xl)
Where ;
Xm = Mid value of highest class = (60+69)/2 = 64.5
Xl = Mid value of lowest class = (20+29)/2 = 24.5
Range Coefficient = (64.5 - 24.5) / (64.5 + 24.5)
Range Coefficient = 40 / 89 = 0.4494
