shell47
shell47 shell47
  • 02-06-2017
  • Mathematics
contestada

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

Respuesta :

mreijepatmat
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

Match each event from a story with the correct element of plot.
I am so confused. Need help.
Which equation describes a line parallel to y= 4x+ 5 through point (-2, 1)?​
__________ is an area where one plate has moved under another. A) A rift B) Divergent C) Convergent D) A subduction zone E) Asthenosphere
Calculate the electric current produced when 5 microcouloumb charge flows in 0.02 seconds.​
Copy and Complete the SentenceWhen something happens energy is ______________ or _____________
An analyst for a new company used the first three years of revenue data to project future revenue for the company. The analyst predicts the function f(x)=-2x^5+
Read the sentence. When I walked out of the house, I made sure I locked the door this time. Is the sentence a run-on sentence? OA. yes ОВ. no
the landylady aha moments
33. What steps can you take to minimize your risks from air pollution?