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Verizon [17]
3 years ago
10

A regular polygon has an exterior angle of 18 degrees how many sides does it have

Mathematics
1 answer:
Ne4ueva [31]3 years ago
8 0
20 because for all regular polygons their exterior angles add up to 360, so 360\18 =20
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If DE ⊥ EF, then ∠DEF is a right angle, provide a counter example if false... help??
svp [43]

Answer: true

Step-by-step explanation:

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2 years ago
Set of integers x such that x - 5 ​
My name is Ann [436]

The set of integers that satisfy the inequality is x ∈ (-∞, 30) where x is an integer.

<h3>What is inequality?</h3>

It is defined as the expression in mathematics in which both sides are not equal they have mathematical signs either less than or greater than known as inequality.

The question is incomplete.

The complete question is:

Set of integers x such that x - 5 is less than 25​.

We have an inequality:

x - 5 < 25

Adding 5 both sides:

x - 5 + 5 < 25 + 5

x < 30

x ∈ (-∞, 30) where x is an integer.

Thus, the set of integers that satisfy the inequality is x ∈ (-∞, 30) where x is an integer.

Learn more about the inequality here:

brainly.com/question/19491153

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2 years ago
Hurry please!
Kryger [21]

Answer:

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Step-by-step explanation:

Now 4x+2y=12

=> 2y = 12 - 4x

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A line with a slope m and y-intercept c can be written as y = mx + c

In the case of y = -2x -...

3 0
2 years ago
Which of the following best describes the relationship between (x + 1) and the polynomial x2 - x - 2?
Viefleur [7K]

Answer:

C

Step-by-step explanation:

to factor x² - x - 2

consider the factors of the constant term which sum to give the coefficient of the x-term.

the factors are - 2 and + 1 since - 2 × 1 = - 2 and - 2 + 1 = - 1

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3 0
3 years ago
Read 2 more answers
I need help with this V-4=v+2+7v-42 ??
zubka84 [21]

Answer:

\boxed{\bold{v \ = \ \frac{36}{7}}}

Step-by-step explanation:

Subtract v from both sides

\bold{v-4-v=v+2+7v-42-v}

Simplify

\bold{-4=2+7v-42}

Switch sides

\bold{2+7v-42=-4}

Group like terms

\bold{7v+2-42=-4}

Subtract the numbers: 2 - 42 = -40

\bold{7v-40=-4}

Add 40 to both sides

\bold{7v-40+40=-4+40}

Simplify

\bold{7v=36}

Divide both sides by 7

\bold{\frac{7v}{7}=\frac{36}{7}}

Simplify

➤ \bold{v=\frac{36}{7}}

5 0
3 years ago
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