X | y
----------
-3 | 3.5
-2 | 3.25
-1 | 2.5
1 | 5.5
2 | 4.75
3 | 4.5
----------
-3 | 3.5
-2 | 3.25
-1 | 2.5
1 | 5.5
2 | 4.75
3 | 4.5
Refer to Table 20-3.A
1 answer:
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Answer:
Volume = 42.8 cubic centimeters
Step-by-step explanation:
The volume of right circular cone is:
Where
r is the radius
h is the height
We are given height of 9.1 cm
h = 9.1
We aren't given radius explicitly, we are given circumference of 13.3, so we need to figure out radius from that. Lets do this:
So,
r = 2.12
Now, substituting in cone formula, we get the volume to be:
Rounded to nearest 10th is 1 decimal place, so
<u>Volume = 42.8 cubic centimeters</u>
Observe the given figure.
Given:
To prove:
Statement
1.
Reason: Given
2.
Reason: Substitution
3. are alternate interior angles.
Reason: Definition of alternate interior angles
4.
Reason: If alternate interior angles are equal, then the lines are parallel.
Answer: 8%.
Step-by-step explanation:
To find this answer, use the compounding interest rate formula, or an exponential function:
Where A is the amount of money after t years, using P (principal) dollars as the investment and r as the rate.
We are trying to solve for r, so substitute the correct values for the other three variables:
Solving for r, we find that r to the ninth power equals 2.
Simplifying this, r is equal to 2^(1/9), or 1.08~. The interest rate was 8 percent.