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enyata [817]
3 years ago
14

How long does it take $6,000 to quadruple if it is invested at 9.1% interest compounded annually?

Mathematics
1 answer:
Elza [17]3 years ago
7 0

Answer:

1. 15.9 years

Step-by-step explanation:

You must solve this equation:

6000 \cdot 1.091^n > 24000

So 1.091^n > 4

Take the log left and right:

\log 1.091^n > \log 4

use the log property that you can put the exponent in front:

n \cdot \log 1.091 > \log 4

n > \frac{\log 4}{\log 1.091}

n > 15.917

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Step-by-step explanation:

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3 years ago
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ollegr [7]

The answer is a = 0, b = -5, and c= 39.

<u>Step-by-step explanation</u>:

<u>step 1</u> :

A quadratic equation means that it should have at least one squared term.

<u>step 2</u> :

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<u>step 3</u> :

The solution to the quadratic equation is usually written in the form

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<u>step 4</u> :

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3 years ago
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Vladimir79 [104]

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7 0
3 years ago
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nasty-shy [4]

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Step-by-step explanation:

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