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Elina [12.6K]
3 years ago
10

Suppose that $80000 is invested at 8% interest. Find the amount of money in the account after 3 years if the

Mathematics
1 answer:
Sophie [7]3 years ago
4 0

Answer:

Compounded Annually: $100,776.96

Compounded Continuously: $101,699.93

Step-by-step explanation:

First, you are going to want to use the normal compound interest formula, which is shown below.

A=P(1+\frac{r}{n} )^{nt}

<em>P = initial balance</em>

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

<em>n = number of times compounded annually</em>

<em>t = time</em>

Change 8% into a decimal:

8% -> \frac{8}{100} -> 0.08

Now, plug in the values into the equation:

A=80,000(1+\frac{0.08}{1})^{1(3)}

A=100,776.96

--------------------------

To find the interest compound <u>continuously,</u> use the following formula:

A = Pe^{rt}

Now, plug in the values:

A=80,000e^{0.08(3)}

A=101,699.93

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3 years ago
Which function is a quadratic function? F(x) =2x^2, g(x) =5x^3,k(x)=-x,b(x)=-9x^4
Katen [24]

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F(x)=2x^2

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3 years ago
647.6 ÷ what = 0.6476
pshichka [43]

Answer:

.001

Step-by-step explanation:

You see it is the same numbers just it was moved 3 places to the left.

So the you would multiply it by .001 <------ there are 3 decimal places.

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3 0
3 years ago
Read 2 more answers
Algebra 1
SVETLANKA909090 [29]

Answer:

-3/7

Step-by-step explanation:

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8 0
3 years ago
What’s the answer to n
Ksju [112]
Hello there!

I see you got some work done already, but I guess you just wanted to double check! :)

3n + 8 = 20

3n = 20 -8 (Subtract 8 on both sides).

3n = 12 (Combine like terms).

n = 4 ( divide both sides by 3)

There you have your answer! :D

Hope this helped!

---------------------

DISCLAIMER: I am not a professional tutor or have any professional background in your subject. Please do not copy my work down, as that will only make things harder for you in the long run. Take the time to really understand this, and it'll make future problems easier. I am human, and may make mistakes, despite my best efforts. Again, I possess no professional background in your subject, so anything you do with my help will be your responsibility. Thank you for reading this, and have a wonderful day/night!
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