fsmithf3 fsmithf3
  • 12-01-2020
  • Mathematics
contestada

what is the sum of the arithmetic series of odd numbers below 1+3+5+...+27

Respuesta :

kenlingdad kenlingdad
  • 12-01-2020

Answer:

196

Step-by-step explanation:

1+2+3+4+......+25+26+27 = (1+27) + (3+25) + (5+23)+(7+21) + (9+19) + (11+17) + (13+15)

= 28 x 7 = 196

It's like area of trapezoid of bases: 1, 27 and height of 14

Answer Link

Otras preguntas

What is the correct path of sperm cells through the male reproductive system? Epididymis, seminiferous tubules, urethra, vas deferens Seminiferous tubules, ep
constant rate of change defenition​
Which of the following is an essential characteristic of an index fossil? the fossil organism lived only in a specific type of environment the fossil organism l
the values of a and b​
umm . . . what ?????????
Can someone explain to me how to do this
In 1831, French explorer Jules Dumont d’Urville proposed dividing the Pacific Island region into three groups based on geography and culture. The island groups
First african american to win a nobel peace prize for mediating the arab israeli truce
What type of weather does low pressure bring?
Angles of elevation and depression-SOMEONE HELP ME