shell47 shell47

02-06-2017
Mathematics

contestada

B= {5,7,9,11,14} what is n(B).

Respuesta :

mreijepatmat mreijepatmat

15-06-2017

This is an arithmetic progression with d=2 as common difference:
(7-5 =2; 9-7 =2; 11-9 =2, etc.) and with 1st term a₁ =5

a₈ = a₁ + (n-1)d (where n is the number/rank of terms
a₈ = 5 + 7x2

a₈ = 19

Answer Link

Otras preguntas

Which regulatory branch of the federal government has the greatest influence on policy for the mass media?

What difference might someone's belief about the origin of the universe make in how that person lives his or her life?

The basin system only supports one main crop because it is dependent on the annual flooding of the Nile. True or false?

What kinda food do people like?

Tenley made a square frame for her painting. she used 4 pieces of wood that were each 2.75 feet long. How much wood did Tenley use in all to make the frame

What is civics? What does civics include? Explain the role of citizens in civics.

An organism that can make its own food ia a

what are centimeters,kilometers,and millimeters

What would we observe on earth if the sun’s internal energy source suddenly shut off??

norma practices violin for 50 minutes every day how many minutes does norma practices violin in 7 days