Answer:
<u>The volume of this figure is approximately 418.88 centimeters squared!</u>
Step-by-step explanation:
The volume for a right circular cone is V = (π)(r^2)(h/3)
Substituting known values is as follows:
V = (π)(r^2)(h/3)
V = (π)(4^2)(25/3)
V = (π)(16)(25/3)
<u>V ≈ 418.88 cm^3</u>
Answer:
a) 96% CI: 
b) If we estimate that the fraction of voters is 0.57, we can claim with 96% confidence that the error is equal or less than 0.06 from the estimated proportion.
Step-by-step explanation:
The proportion of the sample is

The standard deviation of the sample proportion is

For a 96% CI, the z-value is z=1.751.
Then, the 96% CI can be written as:

b) If we estimate that the fraction of voters is 0.57, we can claim with 96% confidence that the error is equal or less than 0.06 from the estimated proportion.
Answer:
$2125 interest accumulated at the end of 10 years .
Step-by-step explanation:
Formula

As given
An investor puts $2,500 into a life insurance policy that pays 8.5% simple annual interest.
Principle = $2500
Rate = 8.5 %
Time = 10 years
Putting all the values in the formula


Simple interest = $ 2125
Therefore the $2125 interest accumulated at the end of 10 years .
Answer:
he can drive for about 6 houres until his car runs out of gas
Step-by-step explanation:
10gallons=1.5×h
10=1.5×h
÷1.5 ÷1.5
6.6666666667=h
The answer is 1.35 dollars or $1.35