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lina2011 [118]
3 years ago
12

2. Determine the measure of the angles indicated by letters. Justify your answers with the

Mathematics
1 answer:
Makovka662 [10]3 years ago
3 0

Answer:

A= 50degree( linear pair )

B= 130degree( vertically opposite)

C= 50degree( vertically opposite )

d and g =50degree

c and f = 130 degree

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Brandon sights a helicopter above a building that is 200 feet away at an angle of elevation of 30 degrees. To the nearest foot,
Firlakuza [10]
The problem says that <span>Brandon sights a helicopter above a building that is 200 feet away at an angle of elevation of 30 degrees. So, you can calculate the height asked, by following this procedure:
</span>
 Tan(α)=Opposite leg/Adjacent leg

 α=30°
 Opposite leg=x
 Adjacent leg=200 feet

 When you substitute these values into the formula above (Tan(α)=Opposite leg/Adjacent leg), you have:

 Tan(α)=Opposite leg/Adjacent leg
 Tan(30°)=x/200
 
 You must clear "x":

 x=200xTan(30°)

 Therefore, the value of "x" is:

 x=115 feet
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 How high above the ground the is the helicopter?

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4 0
3 years ago
9x+16<br> 3<br> &lt;7<br> solve each inequality
Crazy boy [7]

Step-by-step explanation:

9+16×+3

28×<7

35x it's answer can I help

8 0
3 years ago
What is 86% of 40?????????
Zina [86]
To find what 86% of 40 is, first convert 86% to a decimal, then multiply that decimal by 40.

86% = 0.86
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So 86% of 40 is 34.4.
6 0
3 years ago
Solve for y: y÷1 7/9 = 3/4
skelet666 [1.2K]

Answer:

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Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
9.25x - 1201≥ 185 please help​
iVinArrow [24]

Answer:

x≥149.84

Step-by-step explanation:

solve for x the inequality

9.25x - 1201 ≥ 185

9.25x ≥ 185+1201

9.25x ≥1386

x ≥ 149.84

Learn More

Inequality: brainly.com/question/13508953

Keywords: inequality

#LearnwithBrainly

4 0
3 years ago
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