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RUDIKE [14]
3 years ago
5

Answer all four and I’ll give BRAINLIEST...(Supplementary angles, Complementary angles, or Adjacent angles)

Mathematics
2 answers:
a_sh-v [17]3 years ago
8 0

Step-by-step explanation:

FCG=66°

BCD=125°

FCB=114°

ACG=156°

andre [41]3 years ago
4 0

Answer: Answers and explanations down below.

Step-by-step explanation:

1. 90- 24= 66

<u>m<FCG= 66 degrees</u>

2. 24+31=55

180-55= 125

<u>m<BCD= 125 degrees</u>

3. 90+24=114

<u>m<FCB=114 degrees</u>

4. 90+66=156

<u>m<ACG=156 degrees</u>

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HELP ME PLZ I WILL GIVE BRAINLY AND 50 PTS!!
a_sh-v [17]

Answer:

  • B. -23

Step-by-step explanation:

<u>I assume it is:</u>

  • |5| - 4(3² - 2)

<u>Simplifying in steps:</u>

  • 5 - 4(9 - 2) =
  • 5 - 4(7) =
  • 5 - 28 =
  • -23

Correct choice is B

7 0
2 years ago
Read 2 more answers
If the circumference equals 40 pi inches, what is the radius?
Taya2010 [7]

Circumference = 2πr

40π = 2πr

r = 20 in

4 0
3 years ago
Find the area simplify your answer
Alex787 [66]

Answer:

6x^2-8x-64

Step-by-step explanation:

the answer for solving a quadrilateral

is base times height

so the base is 2x-8 and the height is 3x+8

(2x-8)(3x+8)

expand

6x^2-8x-64

Hope that helps :)

Please give brainliest

3 0
3 years ago
Susan and Mark are standing at different places on a beach and watching a bird. The angles of elevation they make are 20º and 50
Mandarinka [93]

Answer:

The bird is 2.44km high

Step-by-step explanation:

Hello,

To solve this question, we need to understand how they are and we can only get this with a correct pictorial diagram.

See attached document for better understanding.

From the first diagram, we understand that the bird is between them and also on top of them.

Assuming Susan, Mark and the bird all form a triangle at each other and the bird at the top, we can divide the the triangle into two equal parts.

But before then, we should know that sum of angles in a triangle is equal to 180°

Therefore,

20° + 50° + b° = 180

70° + b = 180

b = 180° - 70°

b = 110°

Dividing angle b into two equal parts = 55° on each side.

See the last attached document for better illustration.

Using SOHCAHTOA, we can find the adjacent of the triangle which corresponds to the height of the bird.

We have opposite = 3.4km and we're looking for adjacent. We can use tangent of the angle to find the adjacent.

Tanθ = opposite / adjacent

Tan 55° = 3.5 / adj

Adjacent = 3.5 / tan55

Adjacent = 3.5 / 1.43

Adjacent = 2.44km

The height of the bird is 2.44km

7 0
3 years ago
What is the actual height of the building shown in the model?
julsineya [31]

Answer:

The actual height is 150ft

Step-by-step explanation:

Given

Width : Height = 2cm : 5cm

Actual\ width = 60ft

Required

Determine the actual height

Substitute 60ft for width in: Width : Height = 2cm : 5cm

60ft:Height =2cm:5cm

Express as fraction

\frac{60ft}{Height} =\frac{2cm}{5cm}

\frac{60ft}{Height} =\frac{2}{5}

Make height the subject

Height = \frac{5}{2} * 60ft

Height = 5 * 30ft

Height = 150ft

7 0
3 years ago
Read 2 more answers
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