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
Maslowich
2 years ago
10

Count the possible combinations of 3 letters chosen from A, B, C, D. The possible combinations of 3 letters are __.

Mathematics
2 answers:
anygoal [31]2 years ago
8 0

Answer:

Step-by-step explanation:

We are given the letters:

2

We write the possible permutations of 3 letters from the given list:

3

Because order is not important in a combination we cross out the duplicate pairs:

4

siniylev [52]2 years ago
6 0

Answer:

4

Step-by-step explanation:

n! / r!(n-r)!

n = # of total objects

r = # grouped together at a time

4! / 3!(4-3)!

4

You might be interested in
Maya has 760 carrots. 27% of them went rotten. What number of the carrots ARE'NT rotten?
Alja [10]

Answer:

About 554 carrots aren't rotten.

Step-by-step explanation:

100% - 27% = 73%

73% = 0.73

760 x 0.73 = 554.80

3 0
2 years ago
Read 2 more answers
contestants in a dance-a-thon rest for the same amount of time every hour.a couple rests for 25 minutes in 5 hours.how long did
vladimir1956 [14]

Answer

Find out the how long did they rest in 8 hours.

To prove

As given

contestants in a dance-a-thon rest for the same amount of time every hour.

A couple rests for 25 minutes in 5 hours .

As

25 mintues = 5 hours

1\ hours = \frac{25}{5}\ mintues

1 hours = 5 mintues

Thus in 1hours a the dance -a-thon rest for 5 mintues.

Now for 8 hours.

8 hours = 8 × 5 mintues

           = 40 mintues

Therefore in 8 hours  a dance-a-thon rest for 40 mintues.




3 0
3 years ago
Read 2 more answers
Help please!!!!!!!!!
ozzi
The formula is 3x+14=32.
answer is 6
7 0
3 years ago
Read 2 more answers
What 2 numbers multiply to get 20 and add to negative 9
madreJ [45]
-5 and -4. 
-5 times -4 is 20 while adding -5 and -4 it equals -9. (don't be very harsh if i got this wrong)
8 0
2 years ago
Could someone Please give the answer to...<br><br> 112 greater than or equal to b+128
kotegsom [21]
112\geq b+128\\\\b+128\leq112\ \ \ \ |subtract\ 128\ from\ both\ sides\\\\\boxed{b\leq-16}\\\\b\in(-\infty;-16]
4 0
3 years ago
Other questions:
  • 0.143 divided by 0.55 step by step
    14·2 answers
  • 5x to the power of 2 =25x to the power of 2​
    13·2 answers
  • 23 please help thanks no link or i will report
    7·1 answer
  • Please answer correctly !!!!!!!!!!!!! Will mark Brianliest !!!!!!!!!!!!!!!!!!!
    5·1 answer
  • Use the equation √4x+15 - 3√x How many potential solutions are there? ​
    14·1 answer
  • Need help wit this problem
    15·1 answer
  • Find the mean, the median and the mode of 12, 13, 9, 8, 8, 7, 6, 8, 10​
    10·2 answers
  • Quizziz 9th grade help please
    5·2 answers
  • Here is a rectangle of area 8sq. cm. a) Draw 2 straight lines in this rectangle to divide it into 1 rectangle and to equal trian
    12·1 answer
  • (13x2+9x-4)-(12x2-2x+6)<br> add or subtract the polynomials
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!