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
Mice21 [21]
3 years ago
12

There are 5 people in a raffle drawing. Two raffle winners each win gift cards. Each gift card is the same. How many ways are th

ere to choose the winners?
Decide if the situation involves a permutation or combination, and then find the number of ways to choose the winners.

A.
Permutation; number of ways = 20
B.
Combination; number of ways = 20
C.
Permutation; number of ways = 10
D.
Combination; number of ways = 10
Mathematics
1 answer:
RoseWind [281]3 years ago
6 0

Answer:

D.

Combination; number of ways = 10

Step-by-step explanation:

Permutation is when order matters

Combinations is when order doesn't matter.

Since there are two identical gift cards, it doesn't matter who  gets the first gift card and who gets the second gift card, so this is a combination

There are 5 people choose 2

n!

--------

r!(n − r)!

where n is the number of items and r is how many we choose

5!              5*4*3*2*1

--------    = ------------------  = 10

2! (5-2)!      2*1  ( 3*2*1)

D.

Combination; number of ways = 10

You might be interested in
How do I solve this with explanation?
kakasveta [241]

Answer:

x = 106°

Step-by-step explanation:

You must understand the picture to answer the question correctly.

The angle to the right has measure 68°.

The angle to the left has measure x, an unknown number.

Notice that 174° is written in gray, not black, and notice that the curve is also in gray. That means the entire angle made up of 68° and x measures 174°.

x + 68° = 174°

Subtract 68° from both sides.

x = 106°

7 0
2 years ago
Someone please help.​
brilliants [131]

Answer: 3,19 which is larger than the original

Step-by-step explanation: if you consider that the original average is 3 you can say that all 25 students have 3 siblings so the average is 3, if you add another students with 8 siblings and do some math (25*3+8)/26 its 3,19

8 0
2 years ago
What is the product?
Dmitriy789 [7]

Answer:

D

20s^3 + 50s^2 + 32s+6

Step-by-step explanation:

hope this helps

7 0
3 years ago
Read 2 more answers
a cube has sides with the following number: 3,3,6,9,,7,8. what is the probability of getting a factor of 9 when rolled?
muminat

Answer:

The probability of rolling a factor of 9 is 1/2, or 50%.

Step-by-step explanation:

The number 9's factors are 1, 3, and 9. Three of the six sides of the cube have a factor of 9. Therefore 3/6 of the sides are factors of nine.

Simplify 3/6 to 1/2 to get a probability of 50%.

5 0
2 years ago
Which graph represents a function?<br> X
gayaneshka [121]
If you added more context then I would probably answer your question
5 0
3 years ago
Other questions:
  • I PROMISE BRAINLIST; 5-STARS; THANKS!! IT'S VERY SIMPLE; BELIEVE ME!!!!!
    10·1 answer
  • If a migrating hawk travels m mph in still​ air, what is its rate when it flies into a steady headwind of 3 3 ​mph? what is its
    12·2 answers
  • An alloy composed of nickel, zinc, and copper in a 4:1:2 ratio. How many kilograms of each metal are needed to make 35 kg of thi
    6·2 answers
  • Find the area of a plane figure bounded by lines
    10·1 answer
  • What is the solution to this system of linear equations? y − 4x = 7 2y + 4x = 2 (3, 1) (1, 3) (3, −1) (−1, 3)
    13·2 answers
  • On a coordinate plane, an absolute value graph starts at (0, 0) and goes up and to the left through (negative 4, 2). The functio
    5·2 answers
  • -5x - 1 help people
    9·1 answer
  • Do these ratios form a proportion?
    8·1 answer
  • F(r-2)=6(r-2)+7=6r-12+7
    8·1 answer
  • What is the correct transformation shown!?
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!