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2 years ago

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The expression 1000(1.1)^t represents the value of a $1000 investment that earns 10% interest per year, compunded annually for t

years. What is the value of a $1000 investment at the end of each period? 1) 2 years 2) 4 years

1 answer:

Dmitriy789 [7]2 years ago

6 0

The answer is : $2 ~Year: A=1000(1.1)^2 A=$1210 For 4 Year: A=1000(1.1)^4 A=$1464.10$

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Which equation shows a proportional relationship between x and y?

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Answer:

D. y=4x

Step-by-step explanation:

It asks for a proportional relationship between x and y

And is the only answer

because

When x and y is 1 the answer is

4/1

And when x and y is 2 the answer is

8/2

If you divide both of them are still 4

And this will always be the result no matter how many times you do it

like if you put it as 150

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Hope this helps!

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Answer:

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Step-by-step explanation:

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3 years ago

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3 years ago

Use the confidence interval to find the estimated margin of error. Then find the sample mean. A biologist reports a confidence i

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Complete Question

A biologist reports a confidence interval of (3.5,4.9) when estimating the mean height (in centimeters) of a sample of seedlings. What is the estimated margin of error and the sample mean?

Answer:

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Step-by-step explanation:

from the question we are told that

The upper limit is $k = 4.9$

The lower limit is $r = 3.5$

Generally the margin of error is mathematically represented as

$E = \frac{k - r}{ 2}$

$E = \frac{ 4.9 - 3.5 }{2}$

$E = 0.7$

Generally the sample mean is mathematically evaluated as

$\= x = k - E$

=> $\= x = 4.9 - 0.7$

=> $\= x = 4.2$

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2 years ago

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allochka39001 [22]

32/3.2 = 3.2c/3.2

c = 32/3.2

c = 10

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2 years ago