katyadams0225 katyadams0225
  • 04-08-2017
  • Mathematics
contestada

Find a6 of the geometric sequence: a1=4 and a3=36

Respuesta :

apologiabiology
apologiabiology apologiabiology
  • 04-08-2017
geometric sequence

an=a1(r)^(n-1)
so

given
a1=4
and a3=36

36=a3=4(r)^(3-1)
36=4(r)^2
9=r^2
3=r


an=4(3)^(n-1)
a6 is
a6=4(3)^(6-1)
a6=4(3)^5
a6=4(243)
a6=972

a6=972
Answer Link

Otras preguntas

Two cars start from the same point and move in a straight line, one east at a speed of 60 km per hour and the other west at a speed of 80 km per hour. After wha
Please look at picture
Which statement best describes the author points of view
Identify the pair of angles shown in the picture
Why are cocoa beans fermented?​
HELP ME PLEASE!!!!!!!!!!Read this reason Jacob wants to include in his argument. An essay item tests higher-level thinking, challenging students to apply concep
Jenny peddled her bike 30 miles in 40 minutes. If she traveled at the same speed, how far would she travel in 3 hours?
4.) Resolva por x: x + 3x + 2 = 0
carney needs $60 to buy her mother a gift. She has saved 25% of that amount so far. Bow much has she saved so far
The water-balloon weighs 4.9 N. gravitational field strength = 9.8 N/kg Calculate the mass of the water-balloon