veronica177 veronica177

02-06-2021
Mathematics

contestada

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

Respuesta :

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

Differentiate between an organic combustion reaction and an inorganic combustion reaction.

373646351636646475753626266374747574884x848484893990299149440505944330309877=?

373646351636646475753626266374747574884x848484893990299149440505944330309877=?

In how many ways can a person order one ice cream cone with 3 different flavors of ice cream if there are 14 flavors to choose from and it matters to the person

All are true about the American Revolution EXCEPT Many soldiers died from cold and disease at Valley Forge. The colonists did not receive any foreign aid during

Maria is going to purchase cranberry juice and lemon-lime soda for a new fruit punch recipe. The recipe calls for 3.5 times as many bottles of lemon-lime soda a

Five times a number decreased by 2 is 4, find the number.

Solve each equation. |x+5|=-3

In how many ways can a person order one ice cream cone with 3 different flavors of ice cream if there are 14 flavors to choose from and it matters to the person

Angle ABC is taken by a dilation with centerpoint, P and scale factor of four to angle A’B’C’ the measure of angle, BCA is 75° what is the measure of angle B’C’