ashleam1010 ashleam1010
  • 14-07-2017
  • Mathematics
contestada

How many different selections of 4 books can be made from a bookcase displaying 12 books?

Respuesta :

musiclover10045
musiclover10045 musiclover10045
  • 14-07-2017

(12 x 11 x10 x9) / (4 x3 x 2 x 1) = 495

there are 495 different ways to select 4 books

Answer Link

Otras preguntas

A circuit is made up of a resistor, inductor, and capacitor (and nothing else) connected by wires. The capacitor has a capacitance of 1.2 μ F, the inductor has
uses of manesium.......................................................................////////////////////////////////////////////////////?????????????????????
How is the new theory of addiction different from the old theory of addiction? Explain how drugs are different from natural reinforcers.
A bag of trail mix weighs 2 lbs. by weight. 18% is oats what is the percent proportion used to find weight of oats in trail mix what is the weight of the oats i
What is the volume of this prism? All angles are right angles. 4 yd. 18 yd. Submit 14 yd. 6 yd.. cubic yards 4 yd. 10 yd. 7 yd.​
Determine the exact values of x for x^2 - 8x - 5 = 0 using COMPLETING THE SQUARE
The last question. I give all my points !!! Traduction: Calculate the perimeter of the polygon where a= 58° b=C A= 24.6 Options A) 100.2 m B) 96.4 m C) 78.9 m
If I made a solution with 50g KI and 25g I2 dissolved in 500ml H2O and I used a 100ml of the 500ml solution, what is the molarity of the 100ml?
Please help urgent I am lost thank you all
Question is in the picture. And if you decide to answer, please explain said answer with all the steps and what not.