1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Semenov [28]
2 years ago
11

There are 20 students in a math class. Thirty percent of the

Mathematics
1 answer:
Mekhanik [1.2K]2 years ago
3 0

Answer:

Step-by-step explanation:

20% of 30 is 6 are randomly selected.

30 choose 6 = 30! / (30-6)! 6!

                 = 30! / 24!6!

                 = 30 * 29 * 28 * 27 * 26 * 25

                   --------------------------------- <-- 24! cancels

                    6 * 5 * 4 * 3 * 2 * 1

                 = 29 * 28 * 27 * 26 * 25

                  ---------------------------------- <--- 30 = 6 * 5 cancels

                      4 * 3 * 2 * 1

                = 29 * 7 * 9 * 13 * 25   <--  4 cancels 28, 3 cancels 27, 2 cancels 26

               = 593775

You might be interested in
Pls help will give brainliest
Firdavs [7]
1st one is 3/17
2nd is 4
3 0
3 years ago
Read 2 more answers
Helpppppppppppppppppppp
vagabundo [1.1K]

Answer:

the cyan one b is greater than or equal to -16

Step-by-step explanation:

okay so b is at least (at least being the keyword) -16, at least means that -16 is the minimum

hope this helps:)

4 0
3 years ago
If you divide my number by "-5 and add -2, the result is -4. What's my number?
zepelin [54]

Answer:

10

Step-by-step explanation:

10/-5 = -2

-2+-2 = -4

6 0
3 years ago
Read 2 more answers
Barry and Robin walk to Dunkin' Donuts each Saturday to meet for coffee and donuts. Barry walks the 2 miles from his house in 30
lbvjy [14]

Answer:

Barry travels 4mph. Robin travels 5mph. Therefore Robin is walking faster.

Step-by-step explanation:

2x2=4

36/60=0.6

0.2=1

0.2x5=1

1x5=5

6 0
2 years ago
How many times does 32 go into 82
pav-90 [236]
More specifically 32 goes into 82, 2.5625 times.
5 0
3 years ago
Other questions:
  • Find the domain of the equation
    5·1 answer
  • Can someone help me Determine the intercepts of the line.
    5·1 answer
  • Solve 34x17 using an area model
    12·1 answer
  • Converting with Decimals, Percent, and Fractions.<br><br> Please help me ASAP!
    6·1 answer
  • Write a point-slope form equation of each line given the slope and y-int.
    9·1 answer
  • Box is 24 square feet, width is 2/3 of length
    6·1 answer
  • Which property justifies the statement below?
    11·2 answers
  • Find the surface area of the cylinder. Use 3.14 for P.
    11·1 answer
  • What is the product of −2/5 and −0.8? Select all that apply.
    8·2 answers
  • Line p intersect lines a and b
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!