Answer:
1. 14476.46
2. 25333.8
3. 19142.66
Step-by-step explanation:
Ok lets take this slow...
First, read the directions; they want you to find how much water the barrles will hold, also meaning how much space is inside the barrel? This can be a hint to find for the area of the barrles.
The formula for a cyliner is: A=2πrh+2πr^2
You already have the information to solve the formula so all you have to do is plug the amounts in, whitch would look like this.
A= 2(3.14) (72) + 2(3.14) (24) ^2
72 * 3.14 24 * 3.14
A= 2 (226.08) + 2(75.36)^2
452.16 + 2 (5679.1296)
452.16 + 11358.2592
A≈ 14476.46
You would do the same for barel B and get: 25333.8
now subtract Barral A by Barral B to find the diffrence
144476.46 - 25333.8
The diffrent of barrle A and B is 19142.66
Answer:
$20
Step-by-step explanation:
The large ones cost $4 more so what you would do is to subtract that $4 from the $24.
24-4=20
As you increase the subintervals the area will be closer and closer to the real value. In other words your approximation gets better.
As you increase the intervals, there will be more rectanagles and the added area of these rectangles are converging towards the actual area under the curve.
12.
13.
16.
is already in simplest form.
