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3 years ago

Question 2

Mathematics

1 answer:

igomit [66]3 years ago

5 0

The annual rate of return of the investment that doubled in 15 years is 4.7%.
The annual rate of return of the investment that doubled in 8 years is 9 years.
The annual rate of return of the investment that doubled in 20 years is 3.52%.
The number of years it would take the investment to double is 9.97 years.

<h3>What are the annual rate of return?</h3>

The formula that can be used to determine the annual rate of return is:

g = (Future value / present value)^(1 / number of years) - 1

2^(1/15) - 1 = 4.7%

(1600 / 800) ^(1/8) - 1 = 9%

(200,00 / 100,000)^(1/20) - 1 = 3.52%

Number of years = (In FV / PV) / r

Where:

FV = future value
PV = present value
r = interest rate

IN2 / 0.0695 = 9.97 years

To learn more about number of years, please check: brainly.com/question/21841217

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The area of the remaining board is [(L × B) - (l × b)].

According to the statement

We have to find that the area of the remaining board.

So, For this purpose, we know that the

Area of rectangle is the region occupied by a rectangle within its four sides or boundaries. The area of a rectangle depends on its sides.

From the given information:

Suppose the bigger rectangle is labelled as ABCD and the smaller rectangle is labelled as PQRS.

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Consider that the length and breadth of the bigger rectangle are L and B respectively. And the length and breadth of the bigger rectangle are l and b respectively.

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Thus, The area of the remaining board is [(L × B) - (l × b)].

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A rectangle is removed from the middle of a larger rectangular shaped board. What is the area of the remaining board?

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