bbarneClerSCamee bbarneClerSCamee

07-09-2016
Mathematics

contestada

what is the algebraic expression that best describes the sequence 3, 6, 9, 12, ...?

Respuesta :

Mathsman Mathsman

07-09-2016

The general formula is : An = A1 + (n-1) d
So, A1 = 3, d = 3
An = 3 + (n - 1) *3 = 3 + 3n - 3 = 3n.
When n = 1: A1 = 3; When n = 3: A3 = 9

Hope that helped!

Answer Link

Otras preguntas

effects of gravitational force

Tony walks at an average speed of 70 m/min from his home to school. If the distance between his home and the school is 2100 m, how much time does it take for To

PLS HELP ASAP TRUE OR FALSE

find the period of the graph shown below

Pls help ASAP!!!!! Find the average rate of change from d=4 to d=11 for the function f(d) = 5(1.02)^d. Describe the process and steps he used and explain what t

When does chromatin form into chromosomes?

Nouvelle-Aquitaine Railroad is comparing two separate capital structures. The first structure consists of 405,000 shares of stock and no debt. The second struct

my friend said,"where are they staying" change into indirect speech.

Rate each question from 1 to 5 ❑How much do you depend on natural ecosystems that you use for recreation (camping, fishing, hunting, hiking, swimming, boating)?

Q10. Which of the following animal names should be present in the Red Data book? Indian Monkey, Cow, Black bug, deer, Asiatic lion