alyssadurant alyssadurant

23-03-2020
Mathematics

contestada

If a1 = 10 and an = 3an-1 then find the value of a6.

Respuesta :

Danboghiu66 Danboghiu66

23-03-2020

Answer:

a(6)=2430

Step-by-step explanation:

a(1)=10

a(n)=3×a(n-1)

This is a geometric sequence, with ratio=3

a(2)=3×a(1)=3×10

a(3)=3×a(2)=3²×10

a(6)=3⁵×20=(27×9)×10=243×10=2430

Answer Link

Otras preguntas

Jason pays a $100 installation fee and a $40 monthly service charge for his telephone. Which equation shows the amount that Jason pays for x months of telephone

Jason pays a $100 installation fee and a $40 monthly service charge for his telephone. Which equation shows the amount that Jason pays for x months of telephone

What are some sentences for the word conceal? Please give a few sentences

A meteorologist __________. a. makes maps b. plans city layouts c. surveys land for construction d. analyzes weather patterns and predicts weather events

how are some organisms able to survive without sunlight and photosynthesis

What did the battle of El Alamine reveal about hitler

3. How did the views of Native Americans and Europeans differ in terms of property ownership?

Which sound device(s) best describes this passage? PARALLELISM: repeating a grammatical structure or arrangement of words to create a sense of rhythm and moment

Which statement is not true of John Brown's raid? President Buchanan ordered General Lee and Stuart to Harper's Ferry. John Brown became a martyr for most South

Which of these is not measured in hertz? Select all that apply. a. period b. amplitude c. frequency d. wavelength