roajenifuja19 roajenifuja19

10-10-2020
Mathematics

contestada

Show that 3 · 4n + 51 is divisible by 3 and 9 for all positive integers n.

Respuesta :

kultheanshuman kultheanshuman

10-10-2020

Answer:

4^1 + 17 = 21 , which is divisible by 3. 4^k + 17 and 3 * 4^k are both divisible by 3, so 4^k + 17 + 3 * 4^k is divisible by 3 as well. 3 * (4^n + 17) would be divisible by 9

Answer Link

Otras preguntas

Sumer was located in a region called _____. Mesopotamia, North Africa India, Southeast Asia

in a parking lot, some cars have 1 spare tire and other have no spare tires. All togeather, there are 43 tires and 9 cars. how many cars have a spare tire?

What's 0.924 in word and expanded form

81/100 simplest form

The mass of a textbook is about 1.25 kilograms.About how many pounds is this?

Public opinion is of most value when people with an educated opinion voice that opinion.

Which of the following was NOT a use for some of the sharper tools made by early humans?

A historian using the historical thinking skill of exami historiography might

what is the mass of a car that has a speed of 30 m/s and a momentum of 45,000 kg, m/s

What are the constitutional restrictions on the power of the staes to set voting qualifications?