rjrieck5666 rjrieck5666
  • 12-09-2022
  • Mathematics
contestada

Suppose you have n items from which you choose r at a time. Explain why you must divide the number of permutations n! / (n-r)! by r! to find the number of combinations n! / r!(n-r)!

Respuesta :

Otras preguntas

1. ¿Meriendas mucho durante el día? ¿Qué comes? ¿A qué hora?
Finches living on the Galapagos Islands were critical for Darwin to develop his ideas
Solve for y. =7(y-4)-4=-2(8y+9)-5y
Determine whether the graphs of the two equations are perpendicular x-7y=4 and 21x+3y=11
Please answer this correctly
Help please! Solve for x. –9<4x+3≤27
Lesson Check (4.0A.A.2)1. Sari has 3 times as many pencil erasers asSam. Together, they have 28 erasers. Howmany erasers does Sari have?​
Solve for x. 12x + 14 1 + 5x 76
PLEASE HELP HELP WITH QUESTION 1 and 2⁉️
2. Which names the opposite and absolute value of 12? A -12, 0 (C12, +12 B -12, 12 D – 12 – 12