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liraira [26]
4 years ago
7

How many teams of 3 students can be chosen from a group of 12 students?

Mathematics
2 answers:
3241004551 [841]4 years ago
7 0

Answer:

4

Step-by-step explanation:

3x1 + 3x1 +3x1 +3x1 will get you 12 so it is basically 4

elixir [45]4 years ago
3 0

Answer:

1320

Step-by-step explanation:

12!/12-3!

I think thats it..

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A family has 4 children: Ariel, Bob, Chris, and Diana. Assuming that all birth orders are equally likely.
sattari [20]

Answer:

A) 0.5

B) 0.375

C) 0.375

D) 0.167

Step-by-step explanation:

Let's call

a: Ariel

b: Bob

c: Chris

d: Diana

There are 4*3*2*1 = 24 total combinations to order the 4 children

A) Ariel is older than Diana in the following 12 cases:

a b c d

a b d c

a c b d

a c d b

a d b c

a d c b

b a c d

b a d c

b c a d

c a b d

c a d b

c b a d

Then, the probability is 12/24 = 0.5

B) The condition "Ariel is older than Diana, if it is given that Ariel is older than Bob" is satisfied in the six first cases and last three cases of before.

Then, the probability is 9/24 = 0.375

C) Ariel is older than Diana, if it is given that Chris is older than Diana, in the following cases:

a b c d

a c b d

a c d b

a d c b

b a c d

b c a d

c a b d

c a d b

c b a d

Then, the probability is 9/24 = 0.375

D) Ariel is older than Diana, if it is given that Diana is older than Bob, in the following cases:

a c d b

a d b c

a d c b

c a d b

Then, the probability is 4/24 = 0.167

7 0
3 years ago
Read 2 more answers
I giveeeeee brainlilst
frosja888 [35]

Answer:

C' (-9 , 3)  D' (6 , 3)  E' (-9 , 6)

Step-by-step explanation:

Dilation Factor: 3           Origin: (0,0)       (x,y) ---> (3x,3y)

C' (-9 , 3)

D' (6 , 3)

E' (-9 , 6)

6 0
3 years ago
Can somebody help me with this?
Igoryamba
C. 35, it would otherwise be seen as 35/1
Hope this helps
3 0
4 years ago
Volume = 4,410 yd<br> 30 yd<br> radius =
Y_Kistochka [10]

Answer:

Radius = 11.85yd

Step-by-step explanation:

Volume of a Cone formula: V = πr²(h/3)

We know that;

V = Volume

r = radius

π = pi (this is a sign located on your calculator)

h = height

We are given that;

V = 4,410

r = unknown

h = 30

Let's substitute the values in:

=> V = πr²(h/3)

=> 4,410 = πr²(30/3)

=> 4,410 = πr²(10)

=> 4,410 / 10 = πr²

=> 441 = πr²

=> 441 / π = r²

=> 140.37 = r²

=> \sqrt{140.37} = r

=> 11.85 = r

Therefore, <u>the radius of the cone = 11.85yd</u>

Hope this helps!

8 0
3 years ago
Name the operation you should preform first
Colt1911 [192]
1. 4 times 6
2. 8 divided by 2
3. 4 squared 2
3 0
4 years ago
Read 2 more answers
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