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

Two asteroids are 100,000 m apart. One has a mass of 3.5 106 kg. If the force of gravity between them is 1.05 10-4 N, what is the mass of the other asteroid?
How can you tell if someone has wet gangrene?
Which verb form correctly completes this command that Eva says to her friend Lupe? Lupe, ¡__________ las patatas! comen come comes coma
Where did jesus begin his public ministry?
HELP PLEASE WITH THIS PROBLEM !!!!
What is a vascular effect of histamine released from mast cells?
The front ends of the first seven pairs of ribs attach directly to the sternum via ________cartilages. These seven ribs are called _________.
Can you hunt on your own land in colorado
A line has a slope of 1/2 and a run = 50. Find the rise of the line. Type a numerical answer in the space provided.
Given the equation 2x+2/y =4w+2 what is the value of x