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eimsori [14]
3 years ago
6

There are 12 participants running in a 110m hurdles race. How many ways are there to award a gold, silver, and bronze medal?

Mathematics
1 answer:
prohojiy [21]3 years ago
8 0

Answer:

220 ways

Step-by-step explanation:

The order matters because there's going to be a first, second, and third place.

So, 12P3=12!/(12-3)!*3!=12!/9!*3!=12*11*10*9!/9!*3!=12*11*10/6=220

Therefore, 220 ways

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3 years ago
Una embarcación tenía 120 tripulantes al naufragar parece el 30% los sobrevivientes el 25% son casados¿ Cuántos de los sobrevivi
Wewaii [24]

Answer:

Solteros= 27

Step-by-step explanation:

<u>Entiendo que de los 120 tripulantes, sobrevivió el 30%. Y de los sobrevivientes, 25% son casados.</u>

<u></u>

Primero, debemos calcular la cantidad de sobrevivientes:

Sobrevivientes= 120*0.3= 36

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7 0
3 years ago
Which of the following is not a way of generating random numbers? A. random number tables B. using phone numbers selected at ran
tino4ka555 [31]

Answer:

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B: PHONE NUMBERS: well phone numbers are random so X out

C: USing the internet : totally X out

D: books of random numbers: X out

so none of the above i guess

7 0
3 years ago
The rule for being the nth item in a certain sequence is n(n+1)/2. what is the 4th term in this sequence ?
Lorico [155]

Answer:

a.) 4

Step-by-step explanation:

a.)4

7 0
3 years ago
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