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olchik [2.2K]
3 years ago
5

I keep getting 13.4 which I'm not sure is right. ​

Mathematics
2 answers:
Alex17521 [72]3 years ago
6 0
Yes your answer is right
elixir [45]3 years ago
5 0

Answer:

Correct

also can u mark as brainliest Please I just need one moreeee

Step-by-step explanation:

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PLEASE HELP I NEED HELP WITH THIS ASAP. PLEASE show work, thank you. Will give branliest
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Step-by-step explanation:

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Alex is creating an outdoor structure out of two 12 foot boards. The boards must have an angle of elevation
Whitepunk [10]

Answer:

5.0 ft - 5.6 ft

Step-by-step explanation:

Given that the structure is to be made using two 12 foot boards, then we expect the total perimeter to be equal to (2*12)= 24 ft.

Using the angle of elevation, 40° and the width of 8 ft then you can apply the formula for tangent of a triangle where ;

Tan α = opposite side length/adjacent length

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Applying the cosine of an angle formula to find the length of the sliding side

Cosine β = adjacent length /hypotenuse

Cosine 40°= 8/ sliding side length

sliding side length = 8/cosine 40° =10.44 ft

Checking  the perimeter = 10.44 +8+6.71= 25.15 ft

This is more than the total lengths of the boards, so you need to adjust the height as;

24 - 18.44 = 5.56 ft ,thus the height should be less or equal to 5.56 ft

h≤ 5.6 ft

6 0
3 years ago
Helppppppppppppppppppp​
goldenfox [79]

Answer:

Encourage po

Step-by-step explanation:

7 0
3 years ago
Ben rode his bike 3 miles today. Tomorrow he plans to ride 13 times as far. In this equation, n represents the number of miles B
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Answer

n=45 miles

Step-by-step explanation:

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3 years ago
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