cheyennetori123 cheyennetori123

01-05-2017
Mathematics

contestada

what is the 4th term in a geometric sequence for which a1=10 and r=.5

Respuesta :

mreijepatmat mreijepatmat

01-05-2017

First term a1=10 & r=0.5 & n=4

The formula to find the term =a(n) = a(1)*(r)^(n-1)

a(4th)=10*(0.5)^3 =1.25

proof:

a1=10

a2=10*0.5=5

a3= 5*0.5 = 2.5

a4= 2.5*0.5=1.25

Answer Link

Otras preguntas

Underground, carbon can be stored in ____, which humans ___.

What command can be used to export an nps backup file named npsconfig.xml that can be used to restore nps configuration on another server?

The last anwser to 2 is 83.6..... can anyone help with 1 or 2 please it’s urgent

Solve 11−12y=3+6x for y.

Which of the following beach conditions would most likely indicate the presence of low-energy waves? High tidal zones Smaller pieces of sediment Existence of

__________ percent of pedestrian fatalities in 2009 resulted from persons improperly crossing the roadway or intersection, walking, playing or working in the ro

Is pouring a drink from a bottle physics chemistry or biology

I don’t get it. Use the net to find the lateral area of the prism.

m - 2 < -8 or m/8 >1

The table shows the scores given to a figure skater by the judges. The skater receives a final score of 5.7. Find the score given by the fourth judge.