annaamarylkri annaamarylkri

30-06-2016
Mathematics

contestada

ten runners are in a race. how many different ways can they finish in 1st, 2nd and 3rd place?

Respuesta :

30-06-2016

The order of selection matters, therefore we need to find permutations:
The number of ways is found from 10P3.
[tex]10P3=\frac{10!}{7!}=10\times9\times8=720\ ways[/tex]

Answer Link

Otras preguntas

In Jane Eyre by Charlotte Brontë, which statement best explains why Jane admires Helen? Helen is the prettiest girl in school. Helen holds noble views. Helen is

Employee only meals Meals with clients Total meals expensed must not exceed allowed expenses based on given rates

WHICH LUBRICATION SYSTEM RECEIVES OIL FROM THE OIL SUPPLY TANK, PRESSURIZES THE OIL, SENDS THE OIL THROUGH THE FILTER AND DELIVERS THE OIL TO THE BEARINGS

Lorne subtracted 6x3 Ă˘â‚¬"" 2x 3 from Ă˘â‚¬""3x3 5x2 4x Ă˘â‚¬"" 7. Use the drop-down menus to identify the steps Lorne used to find the difference. 1. (Ă˘â‚¬""

Which is a factor that causes language to change? I will give the correct answer the brainliest

Tara placed $1200 in a savings account which compounds interest continuously at a rate of 1.4%. How much will she have in the account after 3 years? Round your

can someone help me with this math problem

Muriel told shana that one of the products in the table was incorrect. Which value in the table is incorrect? what is the value shana should have written?.

If you cross two organisms that are heterozygous for a trait, what percent of the offspring would you expect to express the recessive phenotype?

Which best describes the Renaissance? (Standard WHG 4. 3. 5 renewal of wars against Turks in the Holy Land to open trade with the east creation of a new style o