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pashok25 [27]
2 years ago
11

Interior and Exterior Angles of Polygons -

Mathematics
2 answers:
ANTONII [103]2 years ago
7 0

Answer:75

Step-by-step explanation:

180-64 gives you the angle not labelled which is 116 then to work out size of angle formula is 180(n-2) n being sides so 180(6-2) = 720 so 720 minus all the angles = 75 I think lol

Novay_Z [31]2 years ago
6 0

Answer:

x = 75

Step-by-step explanation:

180-64 = 116

Since this is a hexagon (6 vertices), the angles all add up to 720

116 + 121 + 155 + x + 90 + 163 = 720

x + 645 = 720

x = 75

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Likurg_2 [28]

Answer:

f(x)= x^2 - 2, the one in red.

Step-by-step explanation:

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6 0
3 years ago
What is the value of x in the equation 2(x – 3) + 9 = 3(x + 1) + x?
Lana71 [14]

Answer:

Given the equation: 2(x-3)+9=3(x+1)+x

Distributive property of multiplication states that when a number is multiplied by the sum of the two numbers, the first number can be distributed to both of those numbers and multiplied by each of them separately i.e,

a \cdot (b+c) = a\cdot b+a\cdot c

Now, using distributive property to LHS and RHS, we get

2x-6+9=3x+3+x

Combine like terms on RHS;

2x-6+9 = 4x+3

or

2x+3 = 4x+3

Subtract 3 from both sides of an equation;

2x+3-3 =4x+3-3

Simplify:

2x = 4x

or

4x-2x =0

2x = 0

⇒ x =0

Therefore, the value of x in the given equation

2(x-3)+9=3(x+1)+x is 0.




8 0
3 years ago
Read 2 more answers
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Answer:

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