V(t) = 32t
when t = 3 seconds,
V = 32*3
V = 96
So velocity will be 96 units/s after 3 seconds.
Answer:
a)B)9π
b)G)16π in²
Step-by-step explanation:
according to the question


as we know
C/d=π
C=dπ
Therefore
C=9π
Answer: The variance of their weights = 9,752,155,009 kg.
Step-by-step explanation:
- The variance is the square of the standard deviation . it measures the spread between data values in a data set.
So if standard deviation of 10 subjects = 98753 kg
Then, variance = 
Hence, the variance of their weights = 9,752,155,009 kg.
Answer:
352
Step-by-step explanation:
(216-128)*(4)
(88)*(4)
352