fosterjenna15 fosterjenna15

22-06-2017
Mathematics

contestada

Please in desperate

Evaluate C(20, 18).

Respuesta :

jdoe0001 jdoe0001

22-06-2017

[tex]\bf _nC_r=\cfrac{n!}{r!(n-r)!}\qquad \begin{cases} n=20\\ r=18 \end{cases}\implies _{20}C_{18}=\cfrac{20!}{18!(20-18)!}[/tex]

Answer Link

Otras preguntas

DUE TODAY SOMEONE HELP ME!!!!!!!!! When solving an equation with an exponent that is a variable can I ONLY distribute the number that is in the exponent BEFORE

Erikson’s stage in which people seek to resolve the crisis of __________________. The two extremes here are 1) experiencing fulfillment as they look back with s

solve this system of linear equations, separate the x- and y-values with a comma. -14x=-72-19y 9x=87+19y

Classify the following as an element, compound, homogeneous mixture, or heterogeneous mixture: salt water A. Element B. Compound C. Homogeneous mixture D.

The weather report says the temperature is 20*C and will drop 5*C

According to her interview in the Paris Review, what is the meaning of the statement, “Successful satire has got to be pretty good the day after tomorrow.”

What effect do inhalants have on the body?

James has a bicycle. Each wheel has diameter 45cm. James cycles his bicycle in a straight line in the playground. The front wheel makes 15 complete revolutions.

algebra applications: find the value of x and y

Which statement about natural selection is true? A. Environmental changes determine which animals survive. B. Environmental changes drive differential reproduct