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svlad2 [7]
3 years ago
13

I need help with this problem. (I'll put a picture of the problem with the answers'.)

Mathematics
2 answers:
Marizza181 [45]3 years ago
6 0
21 students i think, but im not completely sure. 
klasskru [66]3 years ago
5 0
The picture is cut-off. Could you post a bigger version? I just need to see more.
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How do I solve for the measures of the the interior angles of a polygon
Leni [432]

Answer:

Step-by-step explanation:

To solve for the interior angles for a polygon,

subtract 2 from the number of sides then multiply with 180

i.e, (n-2)180

e.g, in the case of a triangle, (3-2)180 = 1*180 = 180

As for square, (4-2)180 = 2*180 = 360

Hope u understand.

Mark as the brainliest

7 0
3 years ago
2x+6=-72 <br> what does x equal
shepuryov [24]

Answer:

- 39

Step-by-step explanation:

Step 1:

2x + 6 = - 72         Equation

Step 2:

2x = - 78      Subtract 6 on both sides

Step 3:

x = - 78 ÷ 2         Divide

Answer:

x = - 39

Hope This Helps :)

8 0
4 years ago
Read 2 more answers
4+ 2 sin x=14-8 sin x for 0° &lt; x &lt; 180°
Neporo4naja [7]

Answer:

x = 90° or π/2 rad

Step-by-step explanation:

4+ 2 sin x=14-8 sin x

2 sin x + 8 sin x  = 14 - 4

10 sin x = 10

sin x = 1

Using a calculator

x = sinsin^{-1}1

x = 90° or π/2 rad

3 0
3 years ago
Read 2 more answers
Can anyone help me with this pleaseeee :(
vovikov84 [41]
Alternate angles are equal so x-5=60
x=65
6 0
3 years ago
X^2-6x+1=0 solve by completing square
Harrizon [31]
The answer is x= +- 2 square root of 2 + 3
5 0
2 years ago
Read 2 more answers
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