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adelina 88 [10]
3 years ago
8

Calculate the balance of your account after 15 years. Round your answer to the nearest hundredth.

Mathematics
1 answer:
Nookie1986 [14]3 years ago
5 0

Answer:

$13,054.13

Step-by-step explanation:

You are going to want to use the continuous compound interest formula, which is shown below.

A = Pe^{rt}

<em>A = total</em>

<em>P = principal amount</em>

<em>r = interest rate (decimal)</em>

<em>t = time (years)</em>

<em />

First, lets change 7.25% into a decimal:

7.25% -> \frac{7.25}{100} -> 0.0725

Now, plug the values into the equation:

A=4,400e^{0.0725(15)}

A=13,054.13

Your balance will be $13,054.13

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Solve for D <br><br><br><br><br><br> Thanks!!
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Answer:

The answer is d = C/pi.

Step-by-step explanation:

To solve this equation for the variable d, we must isolate it on the right side of the equation.  It is currently being multiplied by pi, so to reverse this action, we should divide both sides of the equation by pi.

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Hope this helps!

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3 years ago
A hotel charges $90 per day for a double room $80 per day for a single room. If a total of 80 single and double rooms are occupi
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Answer:

the number of single room is 27 and the number of double room  is 53

Step-by-step explanation:

Let x is the number of single room

Let y is the number of double room

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x + y = 80 <=> x = 80 -y (1)

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Substitute (1) in (2) we have:

80 (80 - y) + 90y = 6930

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4 0
3 years ago
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