queenbeemoon11oyifps queenbeemoon11oyifps

12-12-2018
Mathematics

contestada

What is the 9the term of the sequence?

3,-12,48,-192

A. 196,608
B. 786,432
C. -196,608
D. -786,432

Respuesta :

Аноним Аноним

12-12-2018

Answer

A. 196,608

Step-by-step explanation:

-12/3 = -4

48 / -12 = -4 and -192 / 48 = -4

This is a geometric sequence with common ratio -4.

an = a1 r^(n -1) so:-

9th term (a9) = 3*(-4)^(9-1)

= 196,608

Answer Link

calebrector calebrector

12-12-2018

Answer:

A. 196,608

It's not hard.

Answer Link

Otras preguntas

An ecological pyramid A. maps out feeding patterns in a food chain. B. illustrates trophic levels in an ecosystem. C. describes biogeochemical cycles.

Solve for x. 12x=20 140 110 10 40

which of the following is equivalent to √-50a) 5√2b) 5i√2c) 5√2i d) -5√2

Identify the sentence that uses commas correctly. Though they know it is close, many people, do not realize how close Miami, Florida is to Cuba. Though they

example of plural word but singular in meaning

Match each area of a circle to its corresponding radius or diameter. area: 63.585 square meters area: 28.26 square meters area: 120.7016 square meters area: 12.

Which adjective best describes you at work? unique orderly *which adjective best describes you at work? motivated interesting *which adjective best describes yo

Change the following singular nouns to plural or change from plural to singular. las casas

If you are asked to describe a character’s emotions, what is the related literary question?

organic milk costs $2.52 per gallon. at this rate, how can the price of 4 gallons be determined?