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

A fast moving car is moving on a straight road with an acceleration of 2m/s2. How much time will it require to change the velocity from 20m/s to 40m/s. Please q
Determine, without​ graphing, whether the given quadratic function has a maximum value or a minimum value and then find the value. f(x)=6x^2+12x
Given: CD is an altitude of triangle ABC. Prove: a^2 = b^2 +c^2 = 2bccos A
why is men education more important than female education​
The idea that the universe began from a single point and expanded to its current size explains a large number of observations, including those in the table belo
Automobile airbags inflate due to the formation of nitrogen gas from the chemical reaction 2NaN3(s)—> 3N2(g)+2Na(s) Identify the number of each atom in the r
how do you calculate voltage drop
define cell and atom.....​
In order to solve a quadratic equation by completing the square, what does the coefficient of the squared term need to be? If the coefficient is not equal to th
Is x-3 a factor of x- 9x² - 14x + 24?