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Alex
3 years ago
10

An investor has an account with stock from two different companies. Last year, her

Mathematics
1 answer:
lara [203]3 years ago
6 0

Answer:

4.5%

Step-by-step explanation:

800(1-0.01)=\color{green}{792}

800(1−0.01)=792

6180(1-0.05)=\color{blue}{5871}

6180(1−0.05)=5871

Last Year This Year

Stock A 800 792

Stock B 6180 5871

Total 6980 6663

\text{Find overall decrease:}

Find overall decrease:

6980(1-r)=6663

6980(1−r)=6663

\frac{6980(1-r)}{6980}=\frac{6663}{6980}

6980

6980(1−r)

​

=

6980

6663

​

1-r=0.954585

1−r=0.954585

-r=-0.045415

−r=−0.045415

Subtract 1

r=0.045415

r=0.045415

Divide by -1

\text{Final Answer: }4.5\%

Final Answer: 4.5%

Multiply by 100 and round to nearest 10th

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Answer:

1.) Tan C = \frac{12}{5}

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3.) Cos A = \frac{15}{17}

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Step-by-step explanation:

Let's keep in mind that;

Sin = \frac{opposite}{hypotenuse}

Cos = \frac{adjacent}{hypotenuse}

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Hope this helps!

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Neporo4naja [7]

Answer:

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Step-by-step explanation:

Remark

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Step-by-step explanation:

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