sophapowsofie sophapowsofie
  • 12-06-2015
  • Mathematics
contestada

Determine the number of combinations of 7 things taken 4 at a time

Respuesta :

iloveonedirection
iloveonedirection iloveonedirection
  • 16-06-2015
[tex] _{7} C_{4} \\ \\ \frac{7!}{(7-4)!4!} \\ \\ \frac{7!}{3!4!} \\ \\ \frac{7*6*5*4*3*2*1}{3*2*1*4*3*2*1} \\ \\ \frac{7*6*5}{3*2*1} \\ \\ \frac{210}{6} \\ \\ 35[/tex]
Answer Link

Otras preguntas

The SI temperature scale used in science is the A. Fahrenheit. B. Kelvin. C. boiling point. D. Celsius.
how did education improve in the south during Reconstruction
An instrument that can detect the presence of an electric charge is a
how did coolidge's economic policies relate to harding's
The "Red Terror" is associated with the country of A. Germany. B. Russia. C. France. D. Austria.
Within an internal combustion engine, the can-shaped component that moves up and down the cylinder and is the main moving part in the engine is the A. connectin
Define the term aggregate. A. a single piece B. the whole, combined C. the largest part D. the smallest part
Which of the following is 2 less than 4 more than half itself? A) 1 B) 2 C) 4 D) 8
2.75 As a fraction in simplest form
Commodities are a. trade rules. c. goods with value for trade. b. methods of transportation. d. coins