mirandagray54 mirandagray54

02-07-2021
Mathematics

contestada

If the 5th term in a geometric sequence is 162, and the common ratio is 3. What is the first term in the sequence?

Respuesta :

reinhard10158 reinhard10158

07-07-2021

Answer:

2

Step-by-step explanation:

a2 = a1×3

a3 = a2×3 = a1×3×3

=>

an = an-1 × 3 =

[tex]a1 \times {3}^{n - 1} [/tex]

a5 = 162 = a1×3⁴ = a1×81

a1 = 162/81 = 2

Answer Link

Otras preguntas

How many atoms are in 4.6 mol K?

What are the first 10 multiples ( skip counting by that number ) for 5 and 6. I need this answer ASAP.

Bacteria and archaea function in the nitrogen cycle

Identify and describe two archetypes. For each archetype, give two examples of works in which the archetype is found, such as novels, myths, movies, television

Which of the following explains why it is important to store feed correctly?

What was the purpose of "The Negro Act of 1740"? A) It was designed to prevent cruel treatment and excessive punishments of slaves on South Carolina's plantatio

Jayce is a taxi driverM(n) models Jayce's fee(in dollars) for his nth drive on a certain day.WHAT DOES THE STATEMENT M(10)= K MEAN??

Ivin is a bright student but he procrastinates. He puts off writing term papers and gets incomplete grades which eventually become F's. Ivin's ________ therapis

In producing product AA, 6,300 pounds of direct materials were used at a cost of $1.10 per pound. The standard was 6,000 pounds at $1.00 per pound. The direct m

What should a family emergency plan include?