zsczuqjtnupmmhsguh zsczuqjtnupmmhsguh

23-05-2020
Mathematics

contestada

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

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

Respuesta :

Persona180 Persona180

23-05-2020

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

Answer Link

Otras preguntas

The "A" Europe's second longest river forms a border between Romania and "B" before it drains into the "C" Sea. "A" Options Rhine, Vardar, Elba, Danube "B" Opti

Vocabulary workshop level b pages 42-49

The diagram shows several planes, lines, and points. Which statement is true about line h? O Line h intersects line fat two points, A and B. Line h is the inter

There are 177 south animals in a zoo.That is 45 more than half the number of African animals in the zoo. enter an equation you could use to find n, the number o

Which is the correct counting for this rhythm? 1 2 | 1-2 | 1 & 2 | 1 2 1 2 | 1-2 | 1 2 & | 1 & 2 1 2 | 3-4 | 1 & 2 | 3 4

What main political groups existed in the colonies in the 1970s

Find the Mid point of (-5,-9) (-7,-4)

In a triangle the length of two sides are 1.9m and 0.7m. What is the length of the third side, if you know that it should be a whole number?

Needing help here don’t have a clue

find the equation of the line that has a slope of -1 and a y interception of -6 write your answer in y=mx+b form