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

How are all mobile phones different from fixed telephones in the way that they transmit and receive voice messages?

Which of the following equations has both 2 and -4 as solutions

A bird travels 1.70 x 10^4 km south then turns around and travels 6.00 x 10^2 north. He then turns around again immediately and flies 1.44 x 10^4 km south. What

Answer each question in the negative. 1. Est-ce que tu prends souvent l’avion? 2. Est-ce que Sophie organiser son voyage? 3. Est-ce que tes amis vont te retrouv

Why did Columbus write "having trouble with the crew"?

what did southern states due to protect slavery

During the long afternoon, Daryl searched for his car keys. He searched under the bed, beneath the sofa cushions, and inside his trouser pockets In the second s

Which word is the subject of the sentence? Wash the clothes that are in the hamper. A. hamper B. clothes C. an understood you D. wash

what is the prefix for possibility to make it mean no chance

You buy 6 gallons of juice at 1.25 per gallon. what is the cost