Answer:
Curved surface area of a cone =πrl.
3.142×8×15=377.04cm
Answer:

Step-by-step explanation:
Given

-- City C
--- City K
Required
Determine the 90% confidence interval
This is calculated using:

Calculating 




For a 90% confidence level, the z-score is 1.65. So:

Calculating the standard deviation 

So:


So:


Answer:
It's a whole number. It cannot be a mixed number. Anyways I would have to know the denominator.
284=2x+2(x+40)
284=4x+80
204=4x
51=x
dimensions 51 ft by 91ft
A (-5,0) B (0,-2) C (-3,-4)