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

what is population of nepal

1. Draw a quadrilateral with 2 parallel sides. It should have 2 pairs of perpendicular lines.

100 POINTS IF U GET THIS RIGHT!

A math class consists of 20 female students and 12 male students. Two students are selected at random to participate in a probability experiment. Compute the fo

Please help me I need help with solving this equation worth 30 points

In the experiment shown below, which is greater, the force of gravity on the pith balls (Fg) or the electrostatic force between them (Fq)?

Which part of the cell does this illustration represent? Calvin cycle center mitochondria cytoskeleton endoplasmic membrane system

what is 90 plus 60 plus 7x-12

NO LINKS! What are the definitions of initial horizontal velocity and initial vertical velocity? Please help! This like is my 10th time asking this question bec

y varies jointly as x and z. If y = 12 when x = 4 and z = 3, find y when x = 9 and z = 8.