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Ghella [55]
2 years ago
5

Plzzz help me i can not find it nowhere

Mathematics
1 answer:
ratelena [41]2 years ago
6 0

Answer: D. 50

Step-by-step explanation:

the sum of opposite angles of a cyclic quadrilateral are always 180 degrees

80 +2x= 180

2x= 180 - 80

x= 100/2

x= 50

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A group contains n men and n women. how many ways are there to arrange these people in a row if the men and women alternate?
Kobotan [32]

A group contains n men and n women. 2n! number of ways are there to arrange these people in a row if the men and women alternate. Arrangement is known as permutation.

A permutation of a set in mathematics is, broadly speaking, the rearrangement of its elements if the set already has an ordered structure into a sequence or linear order. The act or procedure of altering the linear order of an ordered set is referred to as a "permutation."

When the order of the arrangements counts, a permutation is a mathematical technique that establishes the total number of alternative arrangements in a collection. Choosing only a few items from a collection of options in a specific sequence is a common task in arithmetic problems.

Learn more about permutation here

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5 0
1 year ago
PLS HELP ASAP ill give brainliest!! At a conference for 500 people, 30% of the participants are French, 15% are Americans, 5% ar
Arada [10]

Answer:

150

Step-by-step explanation:

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6 0
3 years ago
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Find the hypotenuse of a right triangle if side a=3 and side b=4​
Slav-nsk [51]

Answer:

5 units

Step-by-step explanation:

By Pythagoras theorem:

(hypotenuse)^2 = a^2+ b^2\\\therefore hypotenuse = \sqrt{a^2+ b^2} \\\therefore hypotenuse = \sqrt{3^2+ 4^2} \\\therefore hypotenuse = \sqrt{9+ 16} \\\therefore hypotenuse = \sqrt{25} \\\therefore hypotenuse = 5\: units

4 0
3 years ago
PLZZZZZ heLp me AN swer this questin!!!!!<br><br> 1+1x2+3=<br><br> PLZZZZZ
jonny [76]

Answer:

6

Step-by-step explanation:

Pls mark brainliest.

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Answer:

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Step-by-step explanation:

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