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uysha [10]
3 years ago
14

an initial investment of $9000 grows at an annual interest rate of 5% compounded continuously. how long will it take to double t

he investment?
Mathematics
1 answer:
tino4ka555 [31]3 years ago
8 0

Answer:

20 years

Step-by-step explanation:

9000/ 100= 900 = 10%

900/2= 450

450 x 2= 900

900 x 10= 9000

Now we multiply 10 by 2 because we doubled the value of our 450 into a 900 and now we get 20.

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A laptop is on sale for 45% off the regular price. If the sale price is $299.75, what was the original price?
Wewaii [24]

The original price of the laptop is calculated as $545

<h3>How to find the original Price?</h3>

We are given;

Sales Price of Laptop = $299.75

Now, the laptop is on sale for 45% off regular price.

If original price is x, then we can express that;

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Thus;

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x = $545

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6 0
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Yis inversely proportional tox.Wheny=50,x=4Work outywhenx=8
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Step-by-step explanation:

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Ebony's bank balance 1st reached $400 on Day 4. The last day her balance was $400 was Day 8.
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Ebony’s bank balance is $400 was Day 8 and this can be explained below.

<h3>How to explain the information?</h3>

Jade cannot be true because for every transaction made during withdraws, a little amount of money is collected and as such the amount will never remain $400.

Note that the scenario for the above to occur is:

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