I just did on a calculator, I hope it helped a littler
Answer:
8.80
Step-by-step explanation:
(S. D.)^2=summation(x-mean)^2/(n-1)
S. D.=sqrt(388/5)
S. D.=8.80
Sorry kid but no one gives a f go get a life how old are u 2
Answer:
153.86
Step-by-step explanation:
3.14*7^2=153.86
Answer:
No solutions
Step-by-step explanation:
6x+2y=20
-3x-y=-4 (by rewriting)
So
6/-3 = 2/-1≠20/-4
-2=-2≠-5
So it has no solutions