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
Schach [20]
3 years ago
15

How do you evaluate 11 c 5

Mathematics
1 answer:
swat323 years ago
6 0
You have 11 items and you need to choose 5 of the 11.
There are 462 ways to choose them.
The formula is :
11! / (5!6!)
n!/(r!(n-r)!)
You might be interested in
A movie theater charges $9.50 for adults and $4.50 for children. For a recent showing of a movie, the theater sold 33 tickets an
choli [55]

Answer:

The  number of children's tickets sold was 31 and the number of  adult tickets sold was 2

Step-by-step explanation:

Let

x ---> the number of children's tickets sold

y ---> the number of  adult tickets sold

we know that

the theater sold 33 tickets

so

x+y=33 -----> equation A

the theater made a total of $158.50

so

4.50x+9.50y=158.50 ----> equation B

Solve the system by graphing

Remember that the solution of the system is the intersection point both graphs

using a graphing tool

The solution is the point (31,2)

see the attached figure

therefore

The  number of children's tickets sold was 31 and the number of  adult tickets sold was 2

5 0
3 years ago
Abeer bought a desk on sale for $363. This price was 34% less than the original price.
dezoksy [38]

Answer:

239.58

Step-by-step explanation:

363*0.34=123.42

363-123.42=239.58

7 0
2 years ago
Read 2 more answers
13. Solve 2/3 + 5/6 and put answer in simplest<br> form.<br> O A. 11/2<br> B.<br> c. 76<br> D.776
Tamiku [17]

Answer:

3/2 or 1 + 1/2

i havent done fractions in a long time but this is what i got from memory

you turn the 2/3 into 4/6 so they can easily be added together to get 9/6 which can be simplified to 3/2 or in proper form 1 + 1/2

8 0
3 years ago
(2x-1) (3x+5) -(2x-1) (x+4)
Veseljchak [2.6K]

Answer:

4x^2−1

Step-by-step explanation:

8 0
3 years ago
What is the factors of 27
Kaylis [27]

Answer:

1, 27, 3, 9,

Step-by-step explanation:

To find the factors of 27 you need to find which whole number times another whole number = 27

We know that 1*27 = 27

We also know that 3*9 = 27

The factors are all the numbers that are used in the multiplication.

In this example the numbers are: 1, 3, 9 and 27

6 0
3 years ago
Read 2 more answers
Other questions:
  • Banneker Middle School has 750 students. Lynn surveys a random sample of 50 students and finds that 27 of them have pet dogs. Ho
    6·1 answer
  • When a scatterplot is created from a table of values, which statement is correct
    8·2 answers
  • Please help me answer this
    9·1 answer
  • Here is a diagram that represents the pints of red and yellow paint in a mixture.
    12·2 answers
  • Which phrase represents 3y+9​
    11·2 answers
  • Select the correct answer from each drop-down menu.<br>Shape I is similar to shape II.​
    9·2 answers
  • The scores on a test are normally distributed with a mean of 78 and a standard deviation of 13. Find the score that is 2 standar
    15·1 answer
  • What is the product of 60?
    13·2 answers
  • Values for the area A of the rectangle shown are 12 ≤ A ≤ 36.
    9·1 answer
  • Daniel got 75 marks,72 marks and 63 marks in three tests what is his average
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!