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

If h = n + 4, and if n = 7, what is h? es )
I need help finding the volume
Until the 1950s, most people thought of sleep as a passive, dormant part of our daily lives. We now know that our brains are very active during sleep. Moreover
How do plants and fish impact the ph of a lake
Read the thesis statement below and answer the question that follows. The life of the typical college student is characterized by time spent in many different a
Check all that apply for House of Representative members * A. must be 25 years old B. 6 year term C. 2 year term D. is considered the lower-house E. Must live i
what is management in business administration
please help with c and d for brainliest i have few mins!!!!
What does "내 고추는 작다" translate to in English?
What is tan 11pi/6?