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RoseWind [281]
2 years ago
15

If the Math Olympiad Club consists of 15 students, how many different teams of 5 students can be formed for competitions?

Mathematics
1 answer:
seropon [69]2 years ago
4 0

Answer:

  • 3003

Step-by-step explanation:

Teams of 5 from the total of 15 students.

<u>Combination of 5 is:</u>

  • nCr = n!/(n-r)!*r!
  • 15C5 = 15!/10!5! = 15*14*13*12*11/(2*3*4*5) = 3003 teams
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At an auditorium, 3 1/2 sections are filled with people watching a play. Exactly 3/5 of the people watching the play are parents
worty [1.4K]

Answer:

Fraction[Total number of sections filled filled with parents] = 2¹/₁₀ section

Step-by-step explanation:

Given:

Total number of sections filled = 3¹/₂ = 7 / 2 sections

Number of fraction parents watching play = 3/5

Find:

Fraction[Total number of sections filled filled with parents]

Computation:

Fraction[Total number of sections filled filled with parents] = Total number of sections filled x Number of fraction parents watching play

Fraction[Total number of sections filled filled with parents] = [7/2] x [3/5]

Fraction[Total number of sections filled filled with parents] = 21 / 10 sections

Fraction[Total number of sections filled filled with parents] = 2¹/₁₀ section

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3 years ago
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Answer:

x  = 7  ± √73   / 2



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Find the two intersections of the lines. The value of x of the intersections will satisfy the system of equations.
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Step-by-step explanation:

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