true or false? A regular polygon is one in which all angles are congruent and all sides are congruent.

1 answer:

8 0

A regular polygon is one where all angles are exactly the same and all sides are the same length.

congruence = exactly the same.

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Use substitution to solve each system of equations Y=2x-2 Y=x+2

Alik [6]

Y = 2x - 2 ⇒ 2x - y = 2 ⇒ 2x - y = 2
y = x + 2 ⇒ x - y = -2 ⇒ 2x - 2y = -4
 3y = 6
 3 3
 y = 2
 2x - 6 = 2
 +6 +6
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 2 2
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It is pretty much About 4

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Answer:

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Step-by-step explanation:

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3 years ago

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ZA and ZB are complementary angles. If mZA = (7x + 23)° and

Marat540 [252]

Answer:

ZB= 39°

Step-by-step explanation:

complementary angles are angles that add up to equal 90

equation: 7x + 23 + 5x + 19 = 90

add like terms: 12x + 42 = 90

subtract 42 from both sides: 12x = 48

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2 years ago

Use perfect square factoring patterns y^2 + 16y + 64 = 0

Pepsi [2]

Arrange your given equation to resembles the form
a^2 +2ab+ b^2 because this equals (a+b)^2

So we get:
y^2+16y+8^2=0

Now compare
y^2+16y+8^2 to a^2 +2ab+ b^2

So we got
y^2+2•8 y+8^2=0 which equals (y+8)^2

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3 years ago