misswellman misswellman
  • 04-05-2017
  • Mathematics
contestada

the fifth term of a geometric system is 112 and the ninth term is 1792. find the common ratio of the sequence

Respuesta :

irspow
irspow irspow
  • 04-05-2017
We can find the common ratio by setting up a ratio :P of the two given points...

Since any geometric sequence term is a(n)=ar^(n-1) and we have two terms we can say:

1792/112=(ar^8)/(ar^4)

16=r^4

r^2=4

r=2

So the common ratio is 2.
Answer Link

Otras preguntas

The silk road was a single road that extended from china to the roman empire.
what do we call a person who disagrees with a particular focus?​
Help history history help
if melissa buys 1/2 of a pound of boysenberries, how much will she spend?
PLEASE HELP FAST ILL GIVE BRAINLIEST How much wrapping paper is needed to wrap a cube shaped gift with an edge measuring 15 cm? 0 O A. 1350 cm squared B. 225 cm
a filing cabinet measures 5 feet high 18 inches wide and 2 feet deep. what is the volume of the filing cabinet ​
PLS HELP ME, PLS THIS IS DUE FIRST CORRECT ANSWER GETS BRAINLIEST​
What must an arithmetic sequence have? Question 2 options: common difference common ratio difference of two squares polynomials
identify the type of polygon presented by each of the following figures write your answer on a sheet of paper write regular or irrigular nonsense report​
The nose is divided into right and left halves called the __________.