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
Rudiy27
1 year ago
6

6.) Alan, Becky, Jesus, and Mariah are four students in the chess club. If two of these students will be selected to represent t

he school at a national convention, how many combinations of two students are possible? Your answer Please fill out this field.
Mathematics
1 answer:
Artist 52 [7]1 year ago
3 0

Let's begin by listing out the information given to us:

There are four students: n = 4

Number of students to be selected: r = 2

To calculate the combination of 2 students to be chosen, we use:

\begin{gathered} ^4C_2=\frac{n!}{(n-r)!}=\frac{4!}{(4-2)!}=\frac{4!}{2!} \\ ^4C_2=\frac{4\cdot3\cdot2\cdot1}{2\cdot1}=\frac{4\cdot3}{1}=12 \\ ^4C_2=12 \end{gathered}

Therefore, there 12 possible combinations from these

You might be interested in
Simplify 5^4/5. ~Please Hurry !!
lisov135 [29]

Answer:

125

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Help me pls i need this right neow
faust18 [17]

Answer:

136

Step-by-step explanation:

A = (b1 + b2)h/2

A = (22 cm + 12 cm)(8 cm)/2

A = 136 cm^2

3 0
3 years ago
What is the equation 9-x2=9
mart [117]
X = O, because  9-2*0 equals 9
3 0
3 years ago
Translate the word phrase into a math expression.
mote1985 [20]

Answer:

its d cuz im a big brain :)

7 0
3 years ago
Read 2 more answers
PLEASE I HAVE 10 min TO FINISH THIS I NEED HELP
Brut [27]

Answer:

Is an acute angle. Acute angle should be 90 degrees

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Other questions:
  • A local hamburger shop sold a combined total of 633 hamburgers and cheeseburgers on Tuesday. There were 67 fewer
    6·1 answer
  • You can walk 2 miles in 25 minutes. How long would it take you to walk 6 miles? What is the proportion you would solve to find t
    13·1 answer
  • A line that includes the points ( 1 , g ) and ( - 3 , - 2 ) has a slope of - 1. What is the value of g ?
    12·1 answer
  • EXPERTS/ACE PLEASE HELP!!
    12·1 answer
  • 12 is 50% of what number
    6·2 answers
  • What kind of angles are angle 1 and angle 2?
    14·1 answer
  • What is the product of the fractions below? 5/2 · 3/4
    12·2 answers
  • The ratio of boys to girls in a classroom is 7 to 11. If there are a total of 49 boys in the classroom, then how many boys and g
    11·2 answers
  • Brainliest Help me it’s easy
    8·2 answers
  • Mia had 11/15 pounds of flour. She makes a cake with 2/25 pounds of flour.how much flour is left? Write as a fraction in simples
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!