ehdgyahq1242 ehdgyahq1242
  • 23-04-2021
  • Mathematics
contestada

Find the 7th term of the arithmetic sequence 3, 15, 75, ...

Respuesta :

unicorn3125
unicorn3125 unicorn3125
  • 24-04-2021

Answer:

         a₇ = 46 875

Step-by-step explanation:

15:3 = 5  and  75:15 = 5

so this is a geomertic sequence with common ratio of 5

a₁ = 3,  r = 5

aₙ = a₁ rⁿ⁻¹

a₇ = 3(5)⁶ = 3(15 625) = 46 875

Answer Link

Otras preguntas

What’s two major events that occurred outside of the United States during Andrew Jackson’s presidency?
Charlie is hoping to earn an A (90%) average on his tests, but also wants to earn at least a B (80%). His first three test scores are 80, 85, 95. What is the lo
Mark sees Anna moving eastward at 2.50 x 10^8 m/s. At the same time, Anna sees Rachel moving eastward at 2.50 x 10^8 m/x. What is Rachel's speed as measured by
How does the palace of Versailles reflect the rule of king Louis XIV of France??
16) 28 What is the correct simplification of the division problem, written as a decimal?
Give the charge on the transition metal of each of the following compounds: A. Au2SO4 B. Fe2(CrO4)3 C. Zn(OH)2 Enter your answer as +1, +2, etc. Au type your an
Languages can change when which of the following activities occur? i. When two or more languages merge together to form a new language. ii. When one language br
This table displays the height of water as a pool is being Use the table to interpret the rate of change. filled. What is the change for each consecutive input?
What is 1 and 2/3 divided by 4/5
is he disturbing you change into passive voice​