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katovenus [111]
3 years ago
5

Juan has invested $3500 in a stock transaction. He later sold the stock and received $4553.50. What was Juan's return on investm

ent (ROI)?
A.) about 23.1%

B.) about 130%

C.) about 76.9%

D.) about 30.1%
Mathematics
1 answer:
denis-greek [22]3 years ago
3 0
Basic ROI formula = (Gain - Cost)/Cost

ROI = (4553.50 - 3500)/3500
ROI = 0.3010

The total ROI for Juan's investment is approximately 30.1%, the answer should be D.  

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Find the volume of the cone. Use 3.14 for π. Round to the nearest tenth.
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Volume\,\,of\,\,cone=1527.1\,\,cm^3

So, Option C is correct.

Step-by-step explanation:

We need to find Volume of cone.

We are given:

π = 3.14

Length = 27 cm

Diameter = 15 cm

The formula used to find Volume of cone is:

Volume\,\,of\,\,cone=\frac{1}{3}\pi  r^2h

We are given diameter but we need radius in the formula

So, Radius = Diameter/2 = 15/2 = 7.5 cm

We need to find height of cone.

Using Pythagoras theorem:

h^2=p^2+b^2\\ (27)^2=p^2+(7.5)^2\\729=p^2+56.25\\p^2=729-56.25\\p^2=672.75\\Taking\,\,square\,\,root:\\p=25.93

So, Height of cone = p= 25.93

So, r= 7.5 and h= 25.93 and π = 3.14

Putting values in the formula:

Volume\,\,of\,\,cone=\frac{1}{3}3.14*(7.5)^2*25.93

Volume\,\,of\,\,cone=1526.62

Rounding off to the nearest tenth:

Volume\,\,of\,\,cone=1527.1\,\,cm^3

So, Option C is correct.

Keywords: Volume of cone.

Learn more about Volume of cone at:

  • brainly.com/question/12497249
  • brainly.com/question/6443737

#learnwithBrainly

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Answer:

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