08-07-2020
Mathematics

contestada

A – If P(n,4) = 20 × P(n,2), determine the value of n.

Respuesta :

mani82ebra mani82ebra

08-07-2020

Answer:

P(n,4)÷P(n,2)

= (n-2)(n-3)

20 = 4 × 5 (two consecutive numbers)

(n-2)(n-3)=5×4

n-2=5

n=7

Answer Link

Otras preguntas

Why must you use a console connection to initially configure the switch? why is it not possible to connect to the switch via telnet or ssh?

Ray and Lilli are designing their own shoes. They have 4 color options for the base and 6 color options for the accent. They can also pick between 2 fonts for t

this weekend you're going to go kayaking down the Colorado River. the rental shop charges $13.00 to rent a kayak with paddles plus $5.00 per hour. if you go kay

There are 7 tigers at the zoo. Each year, the number of tigers increases by 10%. There are 15 eagles at the zoo. Each year, 2 new eagles join the zoo. Part A:

Split-brain procedures demonstrated that the different brain _____ have somewhat unique and independent functions.

Which is the correct order in the scientific process?

What is a subduction zone? a. A place where one plate is pushed down under another, such that it melts into the mantle b. A place where two plates collide and m

I thought D was right but idk plzzz help me!!!

What do the department of corrections do?

Traditional indian literature was written in