ahjfeol ahjfeol
  • 15-05-2017
  • Mathematics
contestada

What is the common ratio of the sequence 3, 21, 147, … ?

Respuesta :

irspow
irspow irspow
  • 15-05-2017
The common ratio is a constant found in geometric sequences, denoted r in the equations for geometric sequences, when any term is divided by the term preceding it.  In this case the common ratio is:

147/21=21/3=7=r

So 7 is the common ratio.
Answer Link
kaylaamberd kaylaamberd
  • 23-03-2019

Answer:

next question is

a1 = 3; an= an-1 x 7

question after that is

a4= 1029

a5= 7203

Answer Link

Otras preguntas

Unpackaged prepared food that requires no additional preparation before service may be:
Why should you have three to six months' salary saved?
If m and n are natural numbers such that √(7+√48) = √m + √n then m² +n² equalsa)25b)37c)29d)40Step by step answer please​
In what way is the brain like a muscle?
How do you solve: -5x-9=-3x-9
Sources of social change a) cultural lag b)values and beliefs c) technology d) physical environment
What effect did the slave trade have on Africa? ​
Consider the bank account transactions shown. Which transaction will create the biggest change in the bank account balance? • A withdrawal of $60. • A deposit o
Pls help... quickAccording to the details in paragraph 4, how were the Phoenicians able to convince the people of France and Belgium to come over to the Islands
Given the following equation: Zn + 2HCI → H2 + ZnCl2 How many moles of HCl are needed to react with 0.50 moles of Zn?