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
ankoles [38]
2 years ago
10

A stack of 10 different cards are shuffled and spread out face down. If 3 cards are turned face up, how many different 3-card co

mbinations are possible?
Mathematics
1 answer:
Advocard [28]2 years ago
5 0

Answer:

<h3>120 different ways</h3>

Step-by-step explanation:

Using the combination formula as shown;

nCr = n!/(n-r)!r!

If a stack of 10 different cards are shuffled and spread out face down. If 3 cards are turned face up, the number of different ways 3cards combinations are possible is expressed as;

10C3 = 10!/(10-3)!3!

10C3 = 10!/(7)!3!

10C3 = 10*9*8*7!/7!*3*2

10C3 = 10*9*8/3*2

10C3 = 720/6

10C3 = 120 different ways

Hence there are 120 different card combinations

You might be interested in
If the radius of the wheel below is 4.2 inches. What is the area of the wheel? Round to the nearest tenth place value.
zepelin [54]

Answer:

A = 55.4 in^2

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Find the amount of 30000 naira 5 and half years at 7%​
Nataly_w [17]

Answer:41550

Step-by-step explanation:

30000×.07=2100

2100×5.5=11550

11550+30000=41550

5 0
3 years ago
A store recorded the number of sweatshirts sold on several days throughout the year. The
Sholpan [36]

Answer:

C. 50

Step-by-step explanation:

I would say it looks more like 60 and 50 is the closest

6 0
2 years ago
Read 2 more answers
Use distributive property to simply 2(4+9w)
valina [46]

Answer: 8+18W

Step-by-step explanation:

1. First multiply the 4 by 2, equalling 8.

2. Then multiply the 9W by 2, equalling 18W.

3. 8 and 18W are unlike terms, so they can not be added together.

4. The answer would stay as 8+18W.

5 0
3 years ago
1
NikAS [45]

9514 1404 393

Answer:

  1.0 N

Step-by-step explanation:

When the length increases by the factor 120/80 = 3/2, the force required is multiplied by the inverse of this: 2/3.

The required force is ...

  (2/3)(1.5 N) = 1.0 N

5 0
3 years ago
Other questions:
  • Solve for the given length. The length of a rectangle is 3m longer than its width. The area of the rectangle is 154^2. What is t
    7·2 answers
  • Last year a website had 40,000 visitors and this year it had 37,000 visitors.What is the percent change in the number of visitor
    8·1 answer
  • What is the answer to 5+5=
    7·2 answers
  • Graph g(x)= 1/3x^2 and f(x) =x^2
    14·1 answer
  • there are 6 girls and 7 boys in a class. a team of 10 players is to be selected from each class. how many different combinations
    15·1 answer
  • What is the value of x
    14·1 answer
  • Find the value of x.
    5·1 answer
  • A political scientist wants to know how college students feel about the Social Security system. She obtains a list of the 3456 u
    9·1 answer
  • 3. Two balls are drawn in succession without replacement from an urn containing 4 red balls and 3 blue balls. Find the probabili
    9·1 answer
  • Find the value of x so that FED ~ZYZ <br> need help asap
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!