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Debora [2.8K]
3 years ago
13

Haben knows that the angle of elevation from the top of a rock formation to a stake in the ground 50 feet from its base is 42°.

What is the height of the rock formation?

Mathematics
2 answers:
Leno4ka [110]3 years ago
7 0

Answer:

45

Step-by-step explanation:

Murrr4er [49]3 years ago
4 0

Answer:

The height of the rock formation is 45.02\ ft

Step-by-step explanation:

see the attached figure to better understand the problem

we know that

tan(42\°)=h/50

solve for h

h=50*tan(42\°)=45.02\ ft

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rodikova [14]

$10.71

Explanation

Step 1

you can easily solve this by using a rule of three.

Let

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the proportion is the same

then

\frac{7.14}{42}=\frac{x}{63}

Step 2

solve for x

\begin{gathered} \frac{7.14}{42}=\frac{x}{63} \\ 63\cdot7.14=42x \\ x=\frac{63\cdot7.14}{42} \\ x=\frac{449.82}{42} \\ x=10.71 \\  \end{gathered}

I hope this helps you

5 0
9 months ago
Two similar triangles are shown.
Evgen [1.6K]

Answer:

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8 0
2 years ago
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Apple would like to estimate the web browsing battery life of the iPad. The following data represents the battery life, in hours
umka21 [38]

Answer:

12.5 hours

Step-by-step explanation:

The data which represents the battery life, in hours, experienced by six users is given below:

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Mean=\dfrac{10+14+14+16+13+8}{6} \\\\=\dfrac{75}{6} \\\\=12.5

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8 0
3 years ago
I am working on a test review. How can I write -1 <= 2x+7 <21 as two inequality statements? How do I join them with and/or
Tanya [424]

Answer:

( - 1 > 2x + 7)(2x + 7 < 21)

Not sure about the and/or statement

6 0
3 years ago
Please show your work
Crank

Answer:

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Step-by-step explanation:

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6 0
3 years ago
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