melissa65
melissa65 melissa65
  • 01-12-2016
  • Mathematics
contestada

Find the Nth term of the following sequence...

7, 27, 47, 67, .....

Respuesta :

wizard123
wizard123 wizard123
  • 01-12-2016
Arithmetic series which we are adding 20 to get next term.

Explicit formula for arithmetic series is:
[tex]A_n = A_1 + d(n-1)[/tex]
d =20
a1 = 7
Answer Link
jarens
jarens jarens
  • 01-12-2016
Use the formula an=a1+d(n-1).
an=20n-13
Answer Link

Otras preguntas

The measures of the three of the interior angles of a quadrilateral are 60°, 110°, and 90°. What is the measure of the fourth angle of this quadrilateral? A 20
if 140% of X is 56, then what is X?
Which sentence correctly conveys the same meaning as this sentence? eres ansioso. tienen ansiedad. tiene ansiedad. tengo ansiedad. tienes ansiedad.
Which structure is composed of the filaments actin and myosin? A. Sarcomere B.Muscle fiber C. Myofibril D. Fascicle
Good morning ! I am already stuck :)
How does the position of the decimal changes in a quotient as you divied by 10 100 1000
Should Boo Radley have been locked away in a mental institution when he was a teenager? Why or why not?
Which best describes what a bibliography includes?
can 20/35 be simplified
describe how the structure of fats and oils differ from the structure of carbohydrates?