How many terms are in the arithmetic sum 15 + 18 + 21 + … + 99?

n = 1,653

n = 28

n = 27

n = 29

Question

24-05-2018
Mathematics

contestada

How many terms are in the arithmetic sum 15 + 18 + 21 + … + 99?

n = 1,653

n = 28

n = 27

n = 29

Respuesta :

Otras preguntas

A box contains red and blue chips. There are 2 more blue chips than red chips. If the number of red chips is tripled and the number of blue chips is double, the

what does 5.2E11 mean on a calculater

Help me, pls! Look at this picture!

A 50kg box is pulled on by a rope. The rope applies a horizontal force of 180 N to the box. What is the normal force exerted on the box by the floor?

Jerome is keeping track of how many books he and his friends have read during the first 100 days of school. To help Jerome present the data to his teacher, mak

5m - 2(m 2) = -(2m + 15)

A dragster in a race accelerated from stop to 60 m/s by the time it reached the finish line. The dragster moved in a straight line and traveled from the startin

Three chemistry students measured the length of a copper bar. The recorded lengths were 5.05 cm, 5 cm , and 5.1 cm, What is the average length of the bar by sho

name one purpose pf democratic constitution

sqdancefan sqdancefan · Answer 1 · 2018-05-24T18:54:58+02:00

sqdancefan sqdancefan

24-05-2018

The n-th term is
a(n) = 15 + 3(n-1)
Then the last term corresponds to the value n that satisfies
99 = 15 +3(n -1)
33 = 5 +(n -1)
29 = n

The appropriate choice is ...
n = 29

Answer Link

How many terms are in the arithmetic sum 15 + 18 + 21 + … + 99? n = 1,653 n = 28 n = 27 n = 29

Respuesta :

Otras preguntas

How many terms are in the arithmetic sum 15 + 18 + 21 + … + 99?

n = 1,653

n = 28

n = 27

n = 29