alexisjill06 alexisjill06
  • 13-08-2020
  • Mathematics
contestada

Given a geometric sequence with a1 = 3 and a4 = 24, find a2.

Respuesta :

eunice1234
eunice1234 eunice1234
  • 13-08-2020

Answer: 6

Step-by-step explanation:

ax/ay=r^(x-y)

in this case it will be

a4/a1=r^(4-1)

24/3=r^3

8=r^3

r=2

----------------------------------

an=a1×r^(n-1) ⇔ geometric sequence formula

a2=3×2^(2-1)

a2=3×2^1

a2=3×2

a2=6

Answer Link

Otras preguntas

write 1000 in exponential form (e.g., 100=10 to the2 power.
Is the square root of 40 a rational number or an irrational number?
in spanish, which letter sounds like s when it is followed an i or e?
what do scientists already know about the bottom of the ocean?
I need help with this
a number divided by sixsix is 270. what is the number
A theif steals an ATM card and must randomly guess the correct six -digit pin code from a 5-key keypad. Repetition of digits is allowed. What is the probability
what is ten times greater than 563,626
Tanya is buying a skateboard for $42.38,a helmet for $17.60,and a set of elbows an nee pads for $12.89.She estimates the total cost to be about $71.Is her estim
What is the functional group in Sucrose?