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nadezda [96]
2 years ago
10

In how many ways can a music teacher arrange 24 students in 3 rows

Mathematics
2 answers:
Olenka [21]2 years ago
8 0

Answer:

The answer is 2024

Step-by-step explanation:

The number of 3 different rows chosen from the set of the 24 students

It comes from doing the combinatorial:

C^{3}_{24}   = 2024

Klio2033 [76]2 years ago
6 0
The answer can vary depending on how many chairs are in each row.
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Jerrad has a 3-day vacation, Max has a 6-day vacation, and Wesley's vacation is 12 days
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3 years ago
If a classroom has 7 students with black hair and there are 24 students in the
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Answer:

  29.2%

Step-by-step explanation:

The fraction of students with black hair is 7/24. To convert that to a percentage, multiply by 100%.

 7/24×100% = 29.1666(repeating)% ≈ 29.2%

3 0
3 years ago
Solve each expression using the correct order of operations,<br>7- 5 + 3 x 10<br>​
Lynna [10]

Answer:

28 is your answer

Step-by-step explanation:

you start with multiplication and continue with addition and then go to subtraction

5 0
3 years ago
Read 2 more answers
Together, teammates Pedro and Ricky got 2682 base hits last season. Pedro had 282 more hits than Riley. How many hits did each p
pickupchik [31]

Pedro had 1482 hits and Riley had 1200 hits.

Step-by-step explanation:

Given,

Number of base hits = 2682

Let,

Number of Pedro's hits = x

Number of Riley's hits = y

According to given statement;

x+y=2682    Eqn 1

x = y+282    Eqn 2

Putting value of x from Eqn 2 in Eqn 1

(y+282)+y=2682\\y+282+y=2682\\2y=2682-282\\2y=2400

Dividing both sides by 2

\frac{2y}{2}=\frac{2400}{2}\\y=1200

Putting y=1200 in Eqn 2

x=1200+282\\x=1482

Pedro had 1482 hits and Riley had 1200 hits.

Keywords: linear equation, substitution method

Learn more about substitution method at:

  • brainly.com/question/9532142
  • brainly.com/question/9381080

#LearnwithBrainly

4 0
3 years ago
The three sides of a triangle are n, 4n−8, and 2n+8. If the perimeter of the triangle is 63 feet, what is the length of each sid
svlad2 [7]

Answer:

  9 ft, 28 ft, 26 ft

Step-by-step explanation:

The perimeter is the sum of side lengths, so ...

  P = a + b + c

  63 = n +(4n -8) +(2n +8) . . . . fill in the given side lengths

  63 = 7n . . . . . . simplify

  9 = n . . . . . . . . divide by 7

  4n -8 = 36 -8 = 28 . . . . second side length

  2n +8 = 18 +8 = 26 . . . . third side length

The side lengths are 9 ft, 28 ft, 26 ft..

8 0
2 years ago
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