Haywooha Haywooha

19-03-2015
Mathematics

Answered

12 people have entered a chess tournament. Each person is scheduled to lay every other person once. How many games are scheduled for the tournament?

Answer :

19-03-2015

12 * 12 equals 144. Each person plays every other person.

Answer Link

sugarmate sugarmate

19-03-2015

(12 * 11)/2 = 66 games

C(12,2) --> combination of 12 taken 2 at a time = 66

Answer Link

Other Questions

Compute the value of the discriminant and give the number of real solutions to the quadratic equation: 3x^2 - 7x + 9 = 0

State whether the following statements are true or false. Justify.(i) For an arbitrary binary operation * on a set N, a * a = a , for all a * N.(ii) If * is a

Please answer:If a stadium holds 60000 people.1. If the stadium is 2/3 full, how many people are there?2. If the stadium is 3/4 full, how many people are there?

Guess the mystery number.The number is greater then 10 and less then 18. The number is the sum of two identical odd numbers. What is the number? Show how you fo

Describe a pattern in the sequence of numbers. Predict the next number. 1) 1, 2, 6, 24, ___ 2) 0, 3, 8, 15, 24, ___

Which characteristic is shared by sonnets and haiku?

Add these fractions (Lowest Terms) a) 1/6 + 1/6 b) 1/4 + 3/8 c) 2/3 + 5/6 d) 9/21 + 4/7 e) 1 3/5 + 1/10 f) 1 1/4 + 11/12 g) 1 2/3 + 2/3 h) 1 5/6 + 3 2/5

Convert the general form of the circle given into standard form. 2x^2 + 2y^2 - 20x - 8y + 50 = 0

find the point on the y-axis that is equidistant from (6,1) (-2,-3)

where did japan first expand its empire after 1930