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3 years ago

Which is a measure of the efficiency of an investment? return rate return on investment efficiency coefficient

Mathematics

2 answers:

yawa3891 [41]3 years ago

7 0

<h2>Answer:</h2>

The measure of the efficiency of an investment is:

Return on investment (ROI)

<h2>Step-by-step explanation:</h2>

Return on investment (ROI)--

Return on investment is a kind of a performance measure that measures the efficiency of an investment or compare efficiency of different investments.

The formula to calculate ROI is given by:

$\text{ROI}=\dfrac{\text{Benefit\ or\ return\ on\ investment}}{\text{Cost\ of\ investment}}\times 100$

Hence, the answer is:

Return on Investment (ROI)

balandron [24]3 years ago

3 0

"return on investment" is the best measure of the efficiency of an investment, but it should be noted that there are other indicators of how well an investment is doing.

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what is the equation of the line that passes through (-9,12) and is perpendicular to the line whose equation is y=1/3x+6

BabaBlast [244]

Y=kx+b
line is perpendicular y=1/3x+6⇒ k=- $\frac{1}{ \frac{1}{3} }$ =-3

so line y=-3x+a
this line that passes through (-9,12)⇔x=-9, y=12, so 12=-3(-9)+a
12=27+a
a=12-27
a=-15
y=-3x-15

P.s.picture<span> to test solutions <span>in the application</span></span>

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3 years ago

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thomas buys a cardboard sheet that is 8 by 12 inches. let x be the side lenghth of each cut out. create an equation for the volu

nikitadnepr [17]

Hi there!

Lets dive into the problem, starting with the equation for volume; length x width x height.

If it's 8 x 12 inches, That means the height is 8 and the length is 12. The side, or width, would be x.

The equation should be 8 times 12 times x, or (8)(12)(x).

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3 years ago

Suppose we take two different random samples from the same population of test scores. The population mean and standard deviation

Leto [7]

Answer:

The 95% confidence interval obtained with a sample size of 64 will give greater precision.

Step-by-step explanation:

We are given the following in the question:

A 95% confidence interval is calculated with the following sample sizes

$n_1 = 25\\n_2 = 64$

The population mean and standard deviation are unknown.

Effect of sample size on confidence interval:

As the sample size increases the margin of error decreases.
As the margin of error decreases the width of the confidence level decreases.
Thus, with increased sample size the width of confidence level decreases.

If we want a confidence interval with greater precision that is smaller width, we have to choose the higher sample size.

Thus, the 95% confidence interval obtained with a sample size of 64 will give greater precision.

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MatroZZZ [7]

114 is the answer hope this helps good luck and god bless!

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andrew-mc [135]

Answer:

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