Answer:66.7%
Step-by-step explanation:
Multiply -6 by x and -6 by eight.
Ex. -7(x+2)
-7*x + -7*2
-7x -14
Answer:
2.42
Step-by-step explanation:
standard deviation= sqrt(variance)
Variance=E[X2] - E[X]2
E[X] = sum(X)/n=35/9, so E[X]2 = 1225/81
E[X2] =sum(X2)/n = 189/9 = 170/81
Variance= 476/81
Standard deviation = sqrt(476/81) ~2.42
Answer: 31.4
Step-by-step explanation:
The circumference formula is 2πr
In this case, the r is equal to 5
5×2 is 10
10π
Plug that into a calculator
31.4