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

The two giants of the non-alcoholic beverage industry are

You receive a raise at work and now or more money as a result your demand for bus travel decreases this shows that bus travel is a ___ good A. Normal B. Inferio

French help?? please

What is the first step the manager takes when a subordinate is having difficulty carrying out a delegated task?

What do you think may have happened had the Federal Reserve not taken extraordinary measures during the financial crisis in 2008?

Marilyn purchased 3,000 shares of stock for 36.48 per share. She sold them for 49.20 per share . Express her capital gain to the nearest tenth of a percent

if $400 is invested at the rate of 6% for one year, what will bet the total value of the investment (the amount)? A) $42.40 B) $424.00 C) $4,240.00

Which region contains the corpora quadrigemina?

Jacob, Kylie, and Manuel each bought a sandwich and drink. The total bill to $21, and each drink cost $2. Of each sandwich cost the same amount, what is the cos

Pictorialist photography in the us was influenced by