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Svetlanka [38]
3 years ago
11

Which of these is the answer please.

Mathematics
2 answers:
FinnZ [79.3K]3 years ago
6 0
Answer: the first one
kondaur [170]3 years ago
4 0

Answer: maybe the first one

Step-by-step explanation:sorry if im wrong

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One exterior angle of a regular pentagon has a measure of (2x). What is the value of x?
777dan777 [17]

x = 36

pentagon has 5 sides . The formula n/360 gives you the measure of each angle in a regular polygon. So in this case n ( stands for number of sides) is 5. Sum of exterior angle of a any polygon is 360. The measure of 1 exterior angle is given. It is 2x.

Now using ALGEBRAIC EXPRESSIONS we can write it as 5/360 = 2x

which is 72=2x

which is 72/2 = x

which is 36 = x

so x = 36.

6 0
3 years ago
Four less than the quotient of a number 2 and 5.
Papessa [141]

Answer:

2/5 - 4

Step-by-step explanation:

quotient means to divide

4 less means subtraction

8 0
3 years ago
Is Abc A right triangle? (HELP)
ollegr [7]
<h2>Hello There today we will solve your problem</h2>

<em>Response-</em>

<em>ABC is absolutely a right triangle</em>

<em>we can use the pythagorean theorem to solve this</em>

<h3><em>Definitions</em></h3>

Right Triangle - <em>A right triangle or right-angled triangle, or more formally an orthogonal triangle, is a triangle in which one angle is a right angle. The relation between the sides and other angles of the right triangle is the basis for trigonometry. The side opposite to the right angle is called the hypotenuse.</em>

Pythagorean Theorem - <em>In mathematics, the Pythagorean theorem, or Pythagoras' theorem, is a fundamental relation in Euclidean geometry among the three sides of a right triangle. It states that the area of the square whose side is the hypotenuse is equal to the sum of the areas of the squares on the other two sides.</em>

<em>_________________</em>

<em>To use to the Pythagorean Theorem it is</em>

A^2+B^2=C^2

For our equation A would be 12 B would be 5

<em>_________________</em>

<h2><em>Solve</em></h2>

12^2+5^2\\144+25\\169\\C^2=169\\C=13

Since we got C=13 this is a right triangle since it's what we had before.

3 0
3 years ago
Read 2 more answers
Given the following sets.
asambeis [7]

A = {0, 1, 2, 3}

C = {0, a, 2, b}

A ∩ C = {0, 2} → E)

A set of the same elements from the set A and the set C.

4 0
3 years ago
Can someone please help me?
charle [14.2K]

9514 1404 393

Answer:

  20%

Step-by-step explanation:

A pie chart is constructed so that the angle represents the ratio that sector has to the whole. Here, you want to know the fraction ...

  English/Class = 72°/360° = 0.20 = 0.20×100% = 20%

20% of the students chose English.

8 0
3 years ago
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