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slega [8]
3 years ago
9

From a group of 10 people, 5 are selected at random to participate in a game show. In how many ways can the 5 people be selected

? A. 120 B. 252 C. 30,240 D. 100,000
Mathematics
2 answers:
diamong [38]3 years ago
6 0

Answer:

A) 120

Step-by-step explanation:

For this question you will need to use factorials

5! =5×4×3×2×1

which equals to 120

therefore the 5 people can be selected in 120 different ways

hope this helps

sergeinik [125]3 years ago
3 0

Answer:

The correct option is B. 252

Step-by-step explanation:

Total number of peoples in the group = 10

Number of peoples needed to be selected from the group of 10 peoples = 5

We need to find the total number of ways in which we can select the 5 peoples.

\text{So, Number of ways of selecting the 5 people out of 10 = }_5^7 \txterm{C}

\text{So, Number of ways of selecting the 5 people out of 10 = }\frac{10!}{5!\times 5!}

\text{So, Number of ways of selecting the 5 people out of 10 = }252

Hence, Total number of required ways = 252

Therefore, The correct option is B. 252

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Simplify the expression <br><br> 12x^-6y^10X3x^7y
harkovskaia [24]

Answer:

12xy₁₁x₃

Step-by-step explanation:

4 0
3 years ago
Need help with these two question!!??
lawyer [7]

The measure of x in both parts is: 120°

Step-by-step explanation:

Part A:

We can clearly see that the figure in part a has six equal sides. So the given figure is a hexagon.

A hexagon has six equal sides in six equal interior angles.

Sum of interior angles of hexagon is 720°

So,

Measure\ of\ one\ agnle=\frac{Sum\ of\ interior\ angles}{number\ of\ angles}\\=\frac{720}{6}\\=120

Part B:

The figure is a Dodecagon with 12 sides.

The Dodecagon has 12 equal sides and angles.

The sum of internal angles of Dodecagon is 1440°

So,

Measure\ of\ one\ angle=\frac{Sum\ of\ angles}{Number\ of\ angles}\\=\frac{1440}{12}\\=120

The measure of x in both parts is: 120°

Keywords: Polygons, Hexagon

Learn more about polygons at:

  • brainly.com/question/8358304
  • brainly.com/question/8540796

#LearnwithBrainly

6 0
3 years ago
Can someone help me I taking a test right now no links please​
Allisa [31]
I think the answer is 12
8 0
2 years ago
Triangle ABC is similar to triangle DEF. how long is EF?<br> A) 4<br> B) 10<br> C) 14<br> D) 12
Andrej [43]

Answer:

The answer is D) 12

Step-by-step explanation:

Multiple 4 by 3

8 0
3 years ago
Substitution Method<br>2x+5y=-1<br>y=3x+10​
Grace [21]
Substitution for both equations is (-3,1)
8 0
3 years ago
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