Answer:
80 square m
Step-by-step explanation:
We are given that
Mean=150 m
S.D=4 m
We have to find the variance of the total length of the wire in the coils.
Let X1, X2,X3,X4 and X5 are random variable of sample space of coil are choosing.
Var for all i=1 to 5
Let X be the total length of coils
Hence, the variance of the total length of the wire in the coils=80 square m
Answer:
C - 19.43
Step-by-step explanation:
first you need to find how much 1 pound of jelly beans costs. to find that you do 14.74 ÷ 5.5 to get 2.68. Then you times that by 7.25 to get the answer, 19.43
Answer:
A = f(1), which is the first term of the sequence, so there's no need for a formula to find A. When finding B, we can use the formula f(n) = f(n − 1) + B. n =
Step-by-step explanation:
is this it ?
A large because 4 dollars is the difference for 3 inches