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Lyrx [107]
3 years ago
14

GIVING ALL OF MY POINTS! HELP:

Mathematics
1 answer:
mojhsa [17]3 years ago
3 0

Answer:

B

Step-by-step explanation:

Apex

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Energy for both renewable and nonrenewable sources originally comes from
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d

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2 years ago
A wall with a height of 20 feet is braced with a support post that forms a 30 degree angle with the top of the wall. What is the
dexar [7]

The length of the support post is 40 ft.

<u>Solution:</u>

Given, the height of the wall is 20 ft; support post forms 30 degree

Refer the attached image

Let us name the triangle as ABC where AB is the wall (opposite side) of 20 ft and \angle A is 30 degree (\theta) and AC is the length of the post.

To find: The length of the post (AC)

we know the formula, sin\theta=\frac{opp}{hyp} (trigonometric formula)

On substituting the values we get,

\Rightarrow sin(30^{\circ})=\frac{20}{AC}

The value of sin 30 degree is 0.5

\Rightarrow 0.5=\frac{20}{AC}\rightarrow AC=\frac{20}{0.5}\rightarrow AC=40 ft

3 0
3 years ago
I need help with question 2
ella [17]
4 fiction to 1 nonfiction
(4 x 7 = 28) fiction to (1 x 7 = 7) nonfiction

Therefore, the required ratio is 28 to 7
7 0
2 years ago
1/2(8a+200b)<br><br> Is the answer 4a+100b?
kaheart [24]

Answer:

you are correct it is, 4a+100b

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
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