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

Which form of entertainment is shown in the image?

The force field analysis model states that stability is achieved only when the driving forces for change subside and are replaced by restraining forces acting i

According to A. de Grey we cannot predict when humans would start to live over 200 hundred years of age. However, we can say with scientific certainty that the

Find the missing side QG. Round answer to nearest tenth.

How do the rivers in South Africa affect the people who live there

A cosmic ray electron moves at 7.50×106 m/s perpendicular to the Earth’s magnetic field at an altitude where field strength is 1.00×10−5 T . What is the radius

Brandy and Teri are competitors in the bakery business in a small wealthy upscale resort town. Brandy recently negotiated a contract with a supplier for really

What is the square root of 5?

Can someone help me with 14,15,16 and 27 thank you

what is the source of all electromagnetic waves?