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 potential energy of a catapult was completely converted into kinetic energy by releasing a small stone with a mass of 20 grams. The velocity of the stone wh
What is the approximate circumference of a circle that has a diameter of 25 yards? C =
What happens to lady Macbeth in act 5?
What might Verne be saying about Harry if he has been "defeated" by the professor's scientific arguments? Harry is not very intellectual Harry doesn't respect
Sinkholes are often formed as a result of the actions of...
Use the substitution method to solve the system of equations. {y=5 xy=-15 A. (-3, 5) B. (3, 5) C. (5, -3) D. (5, 3)
An employee in this career produces instruction manuals & other supporting documents to communicate complex and technical information more easily. Computer
According to Erickson, personality develops throughout life in response to?
Which of these formulas uses only relative cell references?
What did Suleiman the Magnificent do to become known as "kunan" among the people of his empire