If the second term in a geometric sequence is 20 and the fourth term is 11.25, what is the common ratio

Question

04-08-2017
Mathematics

contestada

If the second term in a geometric sequence is 20 and the fourth term is 11.25, what is the common ratio

Respuesta :

Otras preguntas

Not so fast! If a force of 2500 N is used over the course of 3 seconds to bring a car from rest to a speed of 5 m/s, calculate the mass of the car! A.4166 kg B.

........................................

Find the GCF. 18c3 and 24c3

Suppose all the rabbits are killed by a disease. Explain how the absence of rabbits might affect the numbers of two other organisms in the food web. 1. Name of

Our teacher madeus _______homework and_______it to himlast night

Given f (x) = 1/2x+8, which equation represents the inverse, g (x)?

1. Which of the following is the type of communication where you send Information over a network? My Path O = digital Points O = broadband Need Help? - telecom

4.06 Question 3 A bicycle manufacturing company makes a particular type of bike. Each child bike requires 4 hours to build and 4 hours to test. Each adult bike

draw the structure of the alkyl bromide from which the alkyl acetate shown below was made by sn2 reaction.

balindawmcdotlzzo balindawmcdotlzzo · Answer 1 · 2017-08-04T14:44:55+02:00

balindawmcdotlzzo balindawmcdotlzzo

04-08-2017

So between the second and fourth term, you are multiplying by r².
20 * r² = 45/4
r² = 45/80
r² = 9/16
r = √(9/16)
r = ± (3/4)

So there are two possible common ratios:
r = -3/4
or
r = 3/4

Answer Link