itsmadnessluv itsmadnessluv

09-10-2020
Mathematics

contestada

In how many ways can you select a committee of four students of a group of nine students?

Respuesta :

09-10-2020

Answer:

126

Step-by-step explanation:

n! / (r! (n-r)!)

In this case n = 9 and r = 4

9!/ (4! * (9-4)!)

9!/ (4! * 5!)

= 126

9! = 9x8x7x6x5x4x3x2x1

Answer Link

Otras preguntas

Which basic construction is shown here? A) bisect an angle B) bisect a line segment C) construct a parallel line D) copy a line segment

After an organism dies, what happens to its C-14 to C-12 ratio

what is the next term of the arithmetic sequence? -2,-4,-6

Describe the challenges that some Latin American nations face with increased urbanization. (Site 2)

4 questions. Please help. 1-5/6-1/3=? In simplest form. Explain 2-2/3-3/10=? In simplest form. Explain 3-5/8-1/2=? In simplest form. Explain 4-4/5-2/15=? In sim

Agricultural technology has improved people’s quality of life. Many of the products we use come from ranches and farms that are worked using machines. Which of

the condition of lacking or losing something that is needed or desired

The image shows a stream with two bends. Identify the locations on the image where erosion and deposition occurs, as well as where the water flow is the fastest

The selling price of lumber at Home Depot is $3,170, percent markup on cost is 30%. Calculate the actual cost. (Round your answer to the nearest cent.)

It would be appreciated if I could get some help on this thank you and have a good day