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Naily [24]
2 years ago
13

I really am confuzzled.

Mathematics
1 answer:
slava [35]2 years ago
3 0

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

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Answer:

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  • interest: $6,184.15

Step-by-step explanation:

The future value can be computed using the formula for an annuity due. It can also be found using any of a variety of calculators, apps, or spreadsheets.

__

<h3>formula</h3>

The formula for the value of an annuity due with payment P, interest rate r, compounded n times per year for t years is ...

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<h3>calculator</h3>

The attached calculator screenshot shows the same result. The calculator needs to have the begin/end flag set to "begin" for the annuity due calculation.

__

<h3>a) </h3>

The future value of the annuity due is $66,184.15.

<h3>b)</h3>

The total interest earned is the difference between the total of deposits and the future value:

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