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
adelina 88 [10]
3 years ago
15

How many ways can 4 student ma be chosen from a class of 30 students is ?

Mathematics
2 answers:
snow_tiger [21]3 years ago
6 0
If the order doesn't matter then you have to apply the combination formula:

³⁰C₄ = (30!)/(4!)(30-4)! = 27,405 WAYS

andre [41]3 years ago
3 0
That's we can solve by using a combination algorithm: C^4_{30}=\frac{30*29*28*27}{4*3*2*1} = 27405
You might be interested in
If the side lengths of a cube are 16 feet, what is the correct way to write the expression to represent the volume of the cube i
Dmitriy789 [7]
The answer would be B
6 0
3 years ago
PLSSS I NEED THE ANSWER
BabaBlast [244]

Answer:

1. 6.4 meters of streamers left to make pompoms

2. He will be able to make 8 pompoms

Step-by-step explanation:

1.

4 x 1.6 = 5.6 meters were used to make decorations.

Then we do 12 - 5.6 = 6.4

2.

per one pompom it takes 0.8 meters of streamers.

6.4 is the left over so we do

6.4 divided by 0.8 = 8 pompoms you can make

6 0
3 years ago
5+5 divded by 6 multiplied by 100 divded by 25 +1000 - 3456 multiplied by 60 and divded by 23 = what
Paladinen [302]

Answer:-9,015.23 i think plz dont come at me if wrong

Step-by-step explanation:

5+5=10/6=1.6*100=166.6/(25+1000=1025)=0.16-3456=-3,455.84*60=-207,350.4/23=-9,015.23

3 0
3 years ago
Write the ratio 3 differnt ways AND give 3 equivalent ratios. five horses to seven dogs​
Triss [41]

Answer:

5:7

5/7

5 to 7

10:14 --> 10x2=20 14x2=28

20:28 --> 20x2=40 28x2=56

40:56

7 0
3 years ago
Which section of the function is decreasing?
Allisa [31]

Answer:

A

Step-by-step explanation:

A section is decreasing

8 0
3 years ago
Other questions:
  • Write the equation for the following relation. E = {(x, y): (2, 15), (5, 30), (8, 45), . . .}
    6·1 answer
  • Solve each proportion 1.5/6=10/p p=?
    13·1 answer
  • Using the two functions listed below, insert numbers in place of the letters a, b, c, and d so that f(x) and g(x) are inverses.
    7·1 answer
  • I need the answer for 1-10
    12·1 answer
  • Will give brainliest
    13·2 answers
  • Juarez scored 32 points in a basketball game. He scored twice as many baskets worth 3 points than baskets worth 2 points. How ma
    10·2 answers
  • 10.
    5·1 answer
  • Order the following numbers from least to greatest: -5.6, -1.25, -7.8,9<br>​
    11·1 answer
  • Find the area of the rectangle. ​
    7·2 answers
  • How I can answer this question, NO LINKS, if you answer correctly I'll give u brainliest!
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!