veronica177 veronica177
  • 02-06-2021
  • Mathematics
contestada

Find the 8th term of the arithmetic sequence - 2x + 7,4x + 1, 10x – 5, ...

Respuesta :

jcherry99
jcherry99 jcherry99
  • 03-06-2021

Answer:

Step-by-step explanation:

a1 = -2x + 7

d = 4x + 1 - (-2x + 7)

d = 4x + 1 + 2x - 7

d = 6x - 6

n = 8

a8 = -2x + 7 + (n-1)*d

a8 = -2x + 7 + (8 -1 ) * (6x - 6)

a8 = -2x + 7 + 7 * (6x - 6)

a8 = -2x + 7 + 42x - 42

a8 = 40x - 35

Answer Link

Otras preguntas

is 4m equal to 400dm?
Which phrases accurately describe the Roman Republic? Choose ALL answers that are correct. A. loss of territory and power in the Punic Wars B. dependent on fore
What was the most influential religion in the Songhai Empire?.
modern sea star larvae resemble some primitive vertebrate larvae.this similarity may suggest that primitive vertibrates
What was Cecil Rhodes argument for imperialism
Why do u think each letter in a polygon's name can be used only once
How did Union forces eventually defeat Vicksburg?a) They dammed the Mississippi River.b) They prepared four frontal assaults.c) They laid siege to the city for
what layers contain the densest materials
Plato A. tutored Alexander the Great B. condemned to death by poison C. thought philosopher-kings should run the government C!?
Increase £1.20 by a quarter(1/4)