am2esshawrianPal am2esshawrianPal

08-11-2016
Mathematics

contestada

What is the sum of the arithmetic sequence 6, 14, 22,
if there are 26 terms

Respuesta :

nobillionaireNobley nobillionaireNobley

12-11-2016

Sum of nth term of arithmetic sequence is given by Sn = n/2[2a + (n - 1)d]
Here, a = 6, n = 26 and d = 14 - 6 = 8
S26 = 26/2[2(6) + (26 - 1)8] = 13[12 + 25(8)] = 2,756

Answer Link

Otras preguntas

An athlete eats 45g of protein per day while training. How much protein will she eat during 15 days of training?

What is another term for an indictment issued by a grand jury?

In creative design, what is the main difference between brainstorming and free association?

What does the line "Britannia droops the pensive head" imply?

PLEASE HELPPPP 8 4/5−5 1/10

PLEASE HELP I NEED TO RAISE MY GRADE!! WILL REWARD BRAINLIEST ANSWER!!! Refer to Explorations in Literature for a complete version of this story. How is Lizabe

What sum or difference is equivalent to the following expression 5-3x/5 A 1+3/5 B 1+3x/5 C 1-3x/5 D 25-15x

In Ms. Hendricks class, there are 10 boys and 12 girls. What is the ratio of boys to girls? Express your answer as a fraction in simplest form.

What is the equation in point-slope form for the line parallel to y = 5x - 4 that contains P(-6, 1)? Select one: a. x - 1 = -5(y + 6) b. y + 1 = 5(x + 6) c. y -

When molecules cannot move through a cell membrane passively, the cell uses a process called what?

good job