3 years ago

How long will it take for an investment of $2000 to double in value if the interest rate is 7.25%

Mathematics

1 answer:

lesya692 [45]3 years ago

3 0

Answer:

t = ln2/0.075

t = 9.24 years.

hope this helps

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A sample of n = 9 college students is used to evaluate the effectiveness of a new Study Skills Workshop. Each student’s grade

forsale [732]

Answer:

B) μD = 0.60 ± 0.10(1.397)

Step-by-step explanation:

The confidence interval is given by:

$MD±t_{\alpha/2, n-1} \frac{s}{\sqrt{n} }$

Where

MD=60

n=9

df=n-1=8

$t_{\alpha/2, n-1}=1.397$

$s=\sqrt{0.09} =0.3$

Then the confidence interval is

μD=0.60±1.397*(0.3/√9)

μD=0.60±0.10*(1.397)

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3 years ago

What is the slope of line segment AB? A) 2/3 B) 3/4 C) 4/3 D) -3/4

Lunna [17]

For this case we have that by definition, the slope of a line is given by:

$m = \frac {y_ {2} -y_ {1}} {x_ {2} -x_ {1}}$

Where:

$(x_ {1}, y_ {1})$ and $(x_ {2}, y_ {2})$ are two points through which the line passes.

According to the image we have:

$(x_ {1}, y_ {1}): (-5,3)\\(x_ {2}, y_ {2}): (3, -3)$

Substituting we have:

$m = \frac {-3-3} {3 - (- 5)} = \frac {-6} {3 + 5} = \frac {-6} {8} = - \frac {3} {4}$

Thus, the slope of the line is:

$m = - \frac {3} {4}$

Answer:

$m = - \frac {3} {4}$

3 0

4 years ago

Read 2 more answers

This is my last question someone please help and plz make sure it’s right will mark brainiest:)

Andreyy89

Answer:

130.3 lbs

Step-by-step explanation:

Just plug in the 5.35 into the x and solve. Hope this helps :)

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2 years ago

When factoring 8x + 12y - 24, the biggest factor will be 4? True or False?

podryga [215]

True, the biggest factor will be 4 :)

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3 years ago

7. Perform the indicated operations: PLEASE HELP

Andrej [43]

A. 5 5/8
b. 5/8
c. 31 1/4
d. 1 1/4
e. 10.38
f. 7.62
g. 19.04
h. 3.36134454
i. 21.899
j. 3.46
k. 0.08
l. 0.5

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2 years ago