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

what is the prime number ot 35,69,89,90

Answer questions please!Answer show all steps please (:

Solve by completing the square or by finding vertex form first: 1/2(y + 4) = (x - 7)^2

Who was the first to write about the connection between economic growth and capitalism? a. karl marx b. thomas malthus c. adam smith d. eugene debs

List the following elements in proper set notation. Place the elements in numerical order within the set. 0 1 123 4 34

How would you rewrite the sentence "Unaided if he had the strength."

pauletta detweiler is paid a salary of $325 a week plus 2 3/4% commission on weekly sales over $6500. her sales last week totaled $17400. what were her total ea

a child walks 35 meters in 7 seconds. calculate the child's speed.

The way that authors structure their sentences and use their words can affect the pace and mood of a text. How would you describe the pace of the following pass

Locus of control suggests that people either believe they control their own lives or believe their destinies are controlled by others or chance. TRUE or FALSE.