olive2208 olive2208
  • 19-07-2016
  • Mathematics
contestada

what is the the value of the fourth term in a geometric sequence if a1=30 and r=1/2?

Respuesta :

septicnation2
septicnation2 septicnation2
  • 19-07-2016
30/2 = 15 = term 2 
15/2 = 7.5 = term 3
7.5/2 = 3.75 = term 4

the fourth term is 3.75
Answer Link

Otras preguntas

Who was the first person to fly alone across the Atlantic Ocean? Charles Lindbergh Wright brothers Dwight Eisenhower Colin Powell
I need help solving this math equation "Z-5=-8
circle the main verb in each sentence nick will eat spaghetti and meatballs for dinner tonight
the earth's inner core reaches temperatures that are at times greater than 9000 degrees fahrenheit what causes this layer to remain solid despite the high tempe
1.In what type of wave is the vibration perpendicular to the direction of travel of the wave. ____ 2.What type of wave vibrates p,arallel to the direction of tr
Simplify and state the excluded values: 12x^3 - 12x/ 28x^3-56x^2+28x
Which sequence represents the correct levels of organizations for multicellular organisms?
Solve the system of equations 4x+3y=13 y=-x+4
Determine if the sequence is geometric. If it is, find the explicit formula and recursive formula. 3,18,108,648
The ratio of the area of a circle to the circumference of the circle ([tex] \frac{A}{C} [/tex]) is [tex] \frac{7}{1} [/tex]. Find the circumference of the circl