Answer:
C.
Step-by-step explanation:
Circumference=PI*diameter
Circumference=3.14*19.5
Circumference=61.23 rounds to 61.2 so the answer is C
Answer:
A 67 is the correct answer sure
Answer:
m = 1.8
Step-by-step explanation:
Given data is as follows :
x 1 2 3 4 5 6
f 1 4 7 m 6 3
We need to find the value of m if the mean of the data is 3.8.
Mean = sum of observations/no. of observations
So,

So, the value of m is equal to 1.8.
Answer:
No solution
Step-by-step explanation:
Distribute
5x+45 = 3x+24+ 2x
Combine terms
45=5x-5x
45=0
This statement is not true so it is no solution
they are all quadrilateral s
hope this helps ;)