choululu
choululu choululu
  • 21-10-2021
  • Mathematics
contestada

Find the sum of the first twelve terms of the sequences 3, -6, 12, -24,..
Show your work.

Respuesta :

novastar9
novastar9 novastar9
  • 21-10-2021
if we look at the pattern, we have

let x = 3

x, -2x, 4x, -8x etc


which means what we need is

x + 4x + 16x + 64x, 256x, 1024x - 2x - 8x - 32x - 128x - 512x - 2048x

This is equal to -4113.
Answer Link
bayan00
bayan00 bayan00
  • 21-10-2021

Answer:

3, -6, 12, -24, 48, -96, 192, -384, 768, -1536, 3072, -6144...

×-2

Geometric sequence

Answer Link

Otras preguntas

The equation for the circle is: x2+y2+14x+10y−7=0 . What is the center of the circle? Enter your answer in the boxes.
what is a covalent bond? a. a bond in which electrons are transferred b. a bond in which electrons are destroyed c. a bond in which electrons are created d. a
How to find the vertices of the hyperbole
Simplify the expression 3x(x-12x)+3x^2-2(x-2)^2.which statements Are true about the process and simplified product check all that apply
the area of a quadrilateral is 14 in and 8.6 In what is the area?​
Find the slope and y-intercept of the line that is perpendicular to y= -1/3 x+5 and passes through the point (-3,-7)
please help thank you
Chemistry help please. a-d order​
1. The purpose of the Dodd-Frank Wall Street Reform Act was to: Select one: a. encourage banks to engage in more risk-taking. b. give banks the choice to re
Which of the following represents the range of the graph below? A) x>0 B) y>0 C) x<0 D) All real numbers