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quester [9]
2 years ago
8

In how many different ways can a badminton team with 2 members, be chosen from a group of 6 people?

Mathematics
2 answers:
jok3333 [9.3K]2 years ago
3 0

Answer:

15 ways

Step-by-step explanation:

We can choose in ⁶C₂ ways.

=> 6 x 5 / 2

=> 30/2

=> 15 ways

Nana76 [90]2 years ago
3 0

Answer:

15 ways

Step-by-step explanation:

We need 2 people from a group of 6.

Pick a random person from the 6, then group them with another person. We have 5 ways to do so.

Now, we will pick a person to group with the person who got grouped with the first person, except the first person themself. We have 4 ways to do so

Keep repeating, we will have 5 + 4 + 3 + 2 + 1 = 15 ways to choose 2 people out of 6.

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Factories 12x-30 please help me
Luden [163]

Answer:

6(2x - 5)

Step-by-step explanation:

The greatest common factor of 12x and 30 is 6.

12x - 30 = 6(2x - 5)

8 0
2 years ago
Read 2 more answers
CAN SOMEONE EXPLAIN HOW I DO THESE PROBLEMS? IM SO CONFUSED AND I HAVE A LOT TO DO PLEASE !!!!!!!
Georgia [21]

Answer:

well your asking a question that needs a graph

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Find the constant $a$ such that\[(x^2 - 3x + 4)(2x^2 +ax + 7) = 2x^4 -11x^3 +30x^2 -41x +28.\]
Colt1911 [192]

The value of constant a is -5

Further explanation:

We will use the comparison of co-efficient method for finding the value of a

So,

Given

(x^2 - 3x + 4)(2x^2 +ax + 7)\\= x^2((2x^2 +ax + 7)-3x((2x^2 +ax + 7)+4(2x^2 +ax + 7)\\= 2x^4+ax^3+7x^2-6x^3-3ax^2-21x+8x^2+4ax+28\\Combining\ alike\ terms\\=2x^4+ax^3-6x^3+7x^2-3ax^2+8x^2-21x+4ax+28\\= 2x^4 +(a-6)x^3+(15-3a)x^2-(21-4a)x+28\\

As it is given that

(x^2 - 3x + 4)(2x^2 +ax + 7) = 2x^4 -11x^3 +30x^2 -41x +28

In this case, co-efficient of variables will be equal, so we can compare the coefficients of x^3, x^2 or x

Comparing coefficient of x^3

a-6 = -11\\a = -11+6\\a = -5

So the value of constant a is -5

Keywords: Polynomials, factorization

Learn more about factorization at:

  • brainly.com/question/1414350
  • brainly.com/question/1430645

#LearnwithBrainly

4 0
3 years ago
In mrs.carters class there are 2.5 children. 14 of them were girls. what percent of the children in mr.carters class are girls
NeX [460]
Its impossible for there to be 2.5 children so im assuming you meant 25.
therefore
25= 100%
100/14=  7.1
7.1% of Mr. carters class were girls 
6 0
3 years ago
B. Write the following in exponential notation.then identity the base and the exponent.
Alchen [17]

Answer:

1. 8^5, base is 8 and exponent is 5

2. (-1)^7, the base is -1 and the exponent is 7

3. -2 * a^3, the base is a and the exponent is 3

8 0
3 years ago
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