whatRthose
whatRthose whatRthose
  • 26-05-2016
  • Mathematics
contestada

What is the missing term in the geometric sequence?
-6,24,?,384,-1536,...
?=
a.-204
b.-144
c.-96
d.-72

Respuesta :

windbust windbust
  • 26-05-2016
solution:
formula : an=a1(r)^n-1
n - number of term that is unknown
a1 - first term
r - second term divided by the first term
a1=-6
a2=24
a3=?
a4=384
a5=-1536

a3=-6(24÷-6)^3-1
a3=-6(-4)^2
a3=-96
therefore the 3rd term is -96 (c)

Answer Link

Otras preguntas

Which is one reason some people supported supply-side economics and others opposed it?
Franklin Roosevelt was more sympathetic to the Allied cause due to his friendly relationship with which leader? (4 points) Tojo Stalin Mussolini Churchill
A 3.8 kg object is lifted 12 meters. Approximately how much work is performed during the lifting? A. 588 J B. 45.6 J C. 446.9 J D. 372.4 J
PLEASE ANSWER ASAP! ANSWER MUST INCLUDE EXPLANATION IN ORDER TO RECEIVE 10 POINTS AND THE BRAINLIEST ANSWER! THANKS!!!
can you please help me so I can finish my homework
Which role of the president makes sure that the country is managed by appointing people to government positions, and enforcing the law?
True or false Purchasing restrictions is an advantage of franchises.
What is the equation to x-13=49?
You are standing in one big palace where a king and his 5 queens stay. Each queen has 5 rooms. In each room there are 5 big cats. Each big cat has 5 little ca
Solve for x: 1 over 3 (2x − 8) = 4. 2 6 10 10 over 3