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

Also who can help me in English 3&4 please add my sc nicoleliza24

In a production process, the probability of manufacturing a defective rear view mirror for a car is 0.075. Assume that the quality status of any rear view mirro

hey can someone help me with that

Solve the compound inequality n+2≤−5 and n+6≥−6 .

What’s A Sentence For Cirrhosis ?

i just don’t understand how you got the .9332

vAnswer: C) 11 Step-by-step explanation: write the equation, and solve, remember the order of operations -6^2 / 12 -2(-7) -36 / 12 + 14 -3 + 14 11

Jonah realize even though she’s crushing the cans in the amount of material in the can is unchanged which of the following describes the reaction that is taking

The President has the power to veto a law passed by congress. This is an example of

One week the music store sold 2 trumpets, 3 clarinets, and 5 violins for $1,240. The next week, they sold 3 trumpets, 1 clarinet, and 4 violins for $1,027. The