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galben [10]
3 years ago
12

Find the complement of each angle. 7) 59° (8) 84° 9) 12° 10) 40°

Mathematics
1 answer:
patriot [66]3 years ago
8 0

Answer:

all work is pictured and shown

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The value of a book is $150 and decreases at a rate of 4% per year. Find the value of the book after 12 years
nevsk [136]
If it decreases at 4% every year, then its value becomes:

100% - 4% = 96% = 96/100 = 0.96

At the end of the 1 year its value becomes:  150*(0.96)

At the end of the 2 years its value becomes:  150*(0.96)*(0.96) = 150*(0.96)²

At the end of the 3 years its value becomes:  150*(0.96)*(0.96)*(0.96) = 150(0.96)³

So similarly at the end of 12 years, its value becomes 150*(0.96)¹²

=50*(0.96)¹²    simplify with calculator.

<span>≈ 91.91

Value at the end of 12 years becomes ≈ $</span><span>91.91

I hope this helps.
</span>
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2 years ago
Find the tangents of the acute angles in the right triangle. Write each answer as a fraction,
julia-pushkina [17]

Answer:

Following are the solution to these question:

Step-by-step explanation:

Please find the complete question in the attachment file.

Formula:

\to \tan \theta= \frac{Perpendicular}{Base}

\to \tan R = \frac{45}{28} \\\\ \to \tan S = \frac{28}{45}

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3 years ago
What is the area of a circle whose radius is 4 ft?
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It would be 50.24 ft
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In Math: <span>the process of making known one's thoughts or feelings.
Not Math: </span><span>the look on someone's face that conveys a particular emotion.</span>
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Well  I Think it is 4 because it says round off 
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