neeneeb93 neeneeb93

03-08-2021
Mathematics

contestada

Find the sum of the first 100 terms of the sequence below:
-19, -15, -11, -7, -3, ...
S100

Respuesta :

Аноним Аноним

03-08-2021

Answer:

17900

Step-by-step explanation:

First term a = -19

common difference d = -15-(-19) = 4

number of terms, n = 100

sum of first 100 terms,

n/2(2a+(n-1)d)

= 100/2(2×(-19)+(100-1)4)

= 50×(-38+99×4)

= 50×358

= 17900

Answer Link

Otras preguntas

When you write a class assignment, is it a good idea to consider the values and beliefs of teacher ? Should you also consider what arguments and what kinds of s

PLEASE HELP ASAP TIMED Patients with arrhythmia typically receive which treatments? 1.an ICD or a pacemaker 2.a CABG or a pacemaker 3.an ICD or a stent 4.a sten

2. Provide a definition for the Reconstruction period.

How did Jesus teach people? He created new laws. He wrote letters to friends. He instructed through parables. He established religious schools.

What is liabilities and give three examples/ any examples you want/

each polygon may have more than one name

PART A: In the first half of the story, what does Adam find most annoying about Eve, and why is it significant?

What type of object is pietured below? O A. Point B. Line O a Ray O D. Segment

If 2 ibs. Of ribs eye steak costs $7.50, how many ibs of rib eye steak can be bought for $30.00 ?

How many ways can 4 students sit in a row of 14 chairs for a photograph