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

The dry-summer ______ Climate is sometimes referred to as a Mediterranean climate.
2x+5y=20. , -2x+20y=-90. one solution. infinity many ir no solution. use elimination to find your answer​
____ agua es un recurso natural muy importante. A. La B. El C. Un D. Una
Sole tales, a shoe manufacturer in puerto rico, shipped its entire production to san francisco and brought it back to its home country to market it as "made in
How do I solve 26=6j-28
I need help w this asap
Find the value of the angle x in the triangle below
Which is most likely the meaning of the following word? isochromatic having the same color having a false color having the same shape having the same measurem
a rocket is launched from 180 feet above the ground at time t=0. the function that models this situation is modeled by h(t)=-16x^2+96x+180, where t is measured
What was one result of the cuban missile crisis? A. Khrushchev won many Americans supporters. B. Khrushchev became a more powerful leader. C. Khrushchev decline