anthonystupid
anthonystupid anthonystupid
  • 10-03-2021
  • Mathematics
contestada

can someone tell me the common ratio? math help pls

can someone tell me the common ratio math help pls class=

Respuesta :

nicholas6629
nicholas6629 nicholas6629
  • 10-03-2021

common ratio is equal to ar^n-1.

a=-1/2, r=?

T2=-1=ar^n-1

n=2

-1/2*r ^2-1=-1

r=1

Answer Link

Otras preguntas

What structure controls the movement of chyme from the small intestine to the large intestine?
Which roman contribution to political theory was adapted by the founding fathers
Which example best shows that Macbeth has become power hungry and will do anything to keep the throne? A. Macbeth is too upset to take the dagger back to Duncan
what is the answer to this question 2/100+3/10=
You are creating a rectangular banner for a school pep rally. You have 100ft^2 of paper and you want 15ft. longer than the width. What should the dimensions of
THIS IS URGENT! Please answer number four.
How many is? with procedure and testing PLEASE 3x - 8 = x + 4
When performing the push-up test, what angle should your elbows be at? 45 degrees 60 degrees 90 degrees 180 degrees
Letter in Spanish about a country visited
In the scale used on a blueprint, 1/4 inch represents 3 feet. On the blueprint, what is the length of a room with an actual length of 24 feet.