cgsc7h6adekathenguy cgsc7h6adekathenguy

24-12-2016
Mathematics

contestada

HELP PLEASE
What is the common ratio of the geometric sequence whose second and fourth terms are 6 and 54, respectively?
a.1
b.2
c.3
d.4

Respuesta :

HomertheGenius HomertheGenius

26-12-2016

a 2 = a 1 · r = 6
a 4 = a 1 · r³ = 54
6 / r = 54 / r³
6 r³ = 54 r / : r
6 r² = 54
r² = 54 : 6
r² = 9
r = √ 9 = 3
Answer:
C ) 3

Answer Link

Otras preguntas

When you park on a hill, think about which way _____. A. is the nearest police car B. your vehicle would roll if an object fell on the accelerator C. is the

Mr Gomez builds a path. He uses 22 pieces of slate that are 1.3 meters long each, and one piece of slate that is 2.5 meters long. How many meters long is the pa

Do you think the modern-day crisis of detention centers can be compared to the concentration camps of the holocaust

Use the fact that the length of an arc intercepted by an angle is proportional to the radius to find the arc length given the circle area a equals 25 pi centime

Compute the Federal Income Tax for a married couple with two children making $127,800.

A car has a mass of 8000 kg and a kinetic energy of 24,000 J. What is its speed?

What was the impact of Muslim rule on Europe?

A bus makes a stop at 2:30, letting off 16 people and letting on 3. The bus makes another stop ten minutes later to let off 2 more people. How does the number o

Which is not a contributing factor to the European discovery of lands in the Western Hemisphere?

What word describes : Columns filled with pairs of numbers that have the same ratio