michellewilliam michellewilliam
  • 01-07-2016
  • Mathematics
contestada

find the sum of the first 3 terms of a geometric sequence with a=96 and r=1/4 the sum is____.

Respuesta :

olemakpadu
olemakpadu olemakpadu
  • 05-07-2016
For Geometric sequence, the next term is multiplied by the common ratio.

Common ratio, r = 1/4

1st term, a = 96

2nd term = ar = 96*1/4 = 24

3rd term = ar² = 96*(1/4)*(1/4) = 6

Sum of the first three terms =    96 + 24 + 6 = 126
Answer Link

Otras preguntas

I really need this answer someone help
Volume of the cylinder isof the volume of the cone.​
To get an electrical current you have to have a ___ ____.
Explain different ways infections from different organisms can be treated?
Japan surrendered to the allies august 14 1945, T/F?
what is the Photic zone?
Is -2 +-2 A. Positive B. Negative C Both or D None of the above​
what is the solution to the system of equations? y=-5+3, y=1
Need help there is a picture :P
When a pendulum is held high and taut and then is released the pendulum begins to swing. What’s the correct order of the energy transformations in this example