michellewilliam michellewilliam

01-07-2016
Mathematics

contestada

find the sum of the first 3 terms of a geometric sequence with a=96 and r=1/4 the sum is____.

Respuesta :

olemakpadu olemakpadu

05-07-2016

For Geometric sequence, the next term is multiplied by the common ratio.

Common ratio, r = 1/4

1st term, a = 96

2nd term = ar = 96*1/4 = 24

3rd term = ar² = 96*(1/4)*(1/4) = 6

Sum of the first three terms = 96 + 24 + 6 = 126

Answer Link

Otras preguntas

Cutting of 11.25 by 15

Plsss answer:(❤️:(!!!!!!!!!

An ice cream cone is 4 in across and 6 in deep. A scoop of ice cream with a diameter of 4 inches is placed on top. If the ice cream completely melts, how much i

simplify 2x²y²÷m³×m²÷2xy

A young patient is short in stature, with his limbs and trunk in proportion. His mental development appears to be appropriate for his age. Determine and discuss

The average of 6,10,x,20 and 30 is 18. what is the value of x

Fred and Wayne are 4-year-olds. When they are together, they often wrestle, run, race, push, and shove each other. Although their activities often aggravate the

In this picture, the measure of angle theta is 1 radian. A. True B. False *please include an explanation for answer*

what happens to the respiratory system of a pilot who is in a power dive in supersonic plane.no links

A piano string of density 0.0050 kg/m is under a tension of 1,350 N. Find the velocity with which a wave travels on the string.