<span>(x^2+4)(x-2)(x+2)orx^4 - 16</span>
71 hundredths I'm not 100 % sure but I think so.
Hope it helps:)
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: 2.4 miles per hour
Step-by-step explanation: just do 7.2/3=2.4
or another way you could do this is do 2.4 x 3=7.2
Answer:
85.33%
Step-by-step explanation:
64/75=0.8533333...
x100 = 85.33%