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Natasha2012 [34]
2 years ago
11

You deposit $2000 in an account earning 4% interest compounded continuously. How much money will you

Mathematics
1 answer:
bazaltina [42]2 years ago
5 0

Answer:

$3,644.24

Step-by-step explanation:

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

A = Pe^{rt}

<em>P = principal amount</em>

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

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

<em />

First change 4% to its decimal form:

4% -> \frac{4}{100} -> 0.04

Next, plug in the values into the equation:

A=2,000e^{0.04(15)}

A=3,644.24

After 15 years, you will have $3,644.24

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A recent study of 26 city residents showed that the time they had lived at their present address has a mean of 10.3 years with t
svetlana [45]

Answer:

The 95% confidence interval is  9.15<  \mu < 11.45

Step-by-step explanation:

From the question we are told that

     The sample size is  n =  26

      The mean is  \= x =  10.3

       The standard deviation is  s =  3

From the question we are told the confidence level is  95% , hence the level of significance is    

      \alpha = (100 - 95 ) \%

=>   \alpha = 0.05

Generally from the normal distribution table the critical value  of  \frac{\alpha }{2} is  

   Z_{\frac{\alpha }{2} } =  1.96

Generally the margin of error is mathematically represented as  

      E = Z_{\frac{\alpha }{2} } *  \frac{\sigma }{\sqrt{n} }

=>   E =  1.96 *  \frac{3}{\sqrt{26} }

=>   E = 1.1532

Generally 95% confidence interval is mathematically represented as  

      \= x -E <  \mu <  \=x  +E

=>   10.3  -1.1532 <  \mu < 10.3  +  1.1532

=>    9.15<  \mu < 11.45

7 0
3 years ago
Look at the table of values below.
Eduardwww [97]

Answer:

y = 2x - 1

Step-by-step explanation:

1(2) - 1 = 1

2(2) - 1 = 3

3(2) - 1 = 5

4(2) - 1 = 7

3 0
3 years ago
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antoniya [11.8K]
The answer for <span>−n+(−4)−(−4n)+6 is 2

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Dmitriy789 [7]

Answer:

x^3 - 2x^2 + 9x - 18.

Step-by-step explanation:

The complex roots occur in conjugate pairs so there are 3 roots 2, 3i and -3i.

So we have:

P(x) = (x - 2)(x - 3i)(x + 3i)

= (x - 2)(x^2 - 9i^2)

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= (x - 2)(x^2 + 9)

= x^3 + 9x - 2x^2 - 18

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4 0
2 years ago
12 divided by 8587 step by step.
Kipish [7]

Answer:

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Step-by-step explanation:

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