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

what are the zeros of x(squared) + 2x +3 in imaginary form
What is 89,659 rounded to the nearest hundred thousand?
m-4=2M find the solution
Find the angle formed by the hands of a clock at 11:40
a group of six friends spent a total of 120 dollars to purchase tickets to a concert use a verbal model to write and solve an equation to find what the cost of
What is the square root of 1.44 with a + and - on the outside of the radical?
How do You Get the answer to 5/8*12/25 by doing cross multiplacation
How are the factors of 36 related to the factors of 72?
What Is the square root of 16 over 25 with a negative outside of the radical?
What is cultural diffusion?