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
kari74 [83]
3 years ago
13

there are 20 students in chess club. two students are to be selected for representing the club in a school meeting. in how many

ways can a pair of students be selected from the chess club?
Mathematics
1 answer:
Murljashka [212]3 years ago
8 0

first way is play a match between all of them and select first Palace and second to be selected in the meeting

You might be interested in
The ratio of boys to girls in a class is 2:3 There are 6 more girls than boys in the class. How many girls are in the class?
kolbaska11 [484]

Answer:

4

Step-by-step explanation:

ratio= 2:3

2   :    3

B   :   G

0    :   6

3*2=6

2*2= 4

7 0
3 years ago
Read 2 more answers
The diameter of a circle is 4 kilometers. What is the circle's circumference?
scZoUnD [109]

Answer:

12.57 km

Step-by-step explanation:

Radius = 4 / 2 = 2 km

Circumference = 2πr = 2π(2) = 4π = 12.57 km

6 0
3 years ago
Read 2 more answers
Please help ill mark brainliest
posledela

Answer:

x = 3

Step-by-step explanation:

since it's hitting 3 on the x axis and just goes up and down where 3 is, all the points have an x of 3 and nothing else. making the equation x = 3

7 0
3 years ago
Which is the mode of this data?<br><br> 12, 19, 22, 17, 15, 18, 15, 14, 16
Snezhnost [94]
Answer: 15
REMEMBER: The mode is the value that appears most frequently in a data set.
4 0
3 years ago
Evaluate each expression 3 1/2 - 4 2/3
Kruka [31]

Answer:

-7/6

Step-by-step explanation:

To evaluate this, start by turning each into improper fractions.

3 1/2 - 4 2/3

7/2 - 14/3

Now give both common denominators and complete the operation.

7/2 - 14/3

21/6 - 28/6

-7/6

5 0
3 years ago
Other questions:
  • Helphelphelphelphelphelphelphelphelp mememememem​
    6·1 answer
  • Traffic flow is defined as the rate at which cars pass through an intersection
    6·1 answer
  • Solve x;<br> x- 2 (divided by) -8 = 0<br><br> --Please Help! Due in for tomorrow! Xx
    10·1 answer
  • Lilly has 25/2 josh has 36/23 how much is there all together
    10·1 answer
  • Can someone explain step by step to me
    13·1 answer
  • This Question: 1 pt
    10·1 answer
  • F (x) = x - 5. Find f'(x) and its domain.
    15·1 answer
  • PLS HELP ASAP!!!!! Match the verbal expression (term) with its algebraic expression (definition).
    15·2 answers
  • Select the correct answer. what is the solution set of y = x2 2x 7 and y = x 7? a. {(0, 7), (-1, 6)} b. {(0, 7), (-7, 0)} c. {(0
    9·1 answer
  • Need help with AP CAL
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!