TaedenK38114 TaedenK38114
  • 03-11-2022
  • Mathematics
contestada

A time traveler can take 4 books with him, and he has 86 books to choose from. How many differentways can the books be selected?

Respuesta :

KlowieN612309 KlowieN612309
  • 03-11-2022

Combination:

[tex]_nC_r=\frac{n!}{r!(n-r)!}[/tex]

n is the number of things to choose from, and r is the number of thing

Answer Link

Otras preguntas

To find a baseball pitcher's earned average (ERA), you can use the formula Ei=9r where E represents ERA, i represents the number of innings pitched, and r repre
The time to complete a project is inversely proportional to number of people who are doing the project. A certain project can be completed by 5 workers in 24 da
what does a comparison/contrast show?
Rename number 1,400 draw a quick picture
Which of the following is an example of a positive feedback loop? A) you feel hungry, so you eat a sandwich. After eating the sandwich, you are no longer hungr
Given the following functions f(x) and g(x), solve (f ⋅ g)(3) and select the correct answer below: f(x) = 4x2 + 12 g(x) = x − 1 A. 47 B. −47 C. 96 D. −96
como le dicen casa en diferentes paises
The lines below are perpendicular. If the green line has a slope of -2/3, what is the slope of the red line? Enter your answer as an integer or a fraction in lo
in order to draw a conclusion, scientists must_______ data from an investigation
The majority of immigrants from Asia have settled A.on reserves B.in Quebec C.in British Columbia D.along the Canadian Shield