ThalindaKKosre
ThalindaKKosre ThalindaKKosre
  • 10-06-2016
  • Mathematics
contestada

Identify the 27th term of an arithmetic sequence where a1 = 38 and a17 = -74.
-20.5
-151
-22.75
-144

Respuesta :

HomertheGenius
HomertheGenius HomertheGenius
  • 11-06-2016
Arithmetic sequence:
an=a1+(n-1)d
[tex] a_{17}= a_{1}+16d -74=38 + 16d 16d=-74-38 16d=-112 [/tex]
d=-112/16=-7
[tex] a_{27}=a_{1} + 26d=38+26*(-7)=38-182=-144[/tex]
Answer: D)-144
Answer Link
y2pnhh89rz y2pnhh89rz
  • 19-03-2021

Answer:

d) -144

Step-by-step explanation:

Answer Link

Otras preguntas

it is unethical to ask employees to clock out and have them work a little longer.true or false
a student is creating a poster for science fair and wants to use three differnt colors of construction paper, and four differnt colored pens to make the poster.
PLEASE HELP its urgent! Which conversion factors are used to convert 18 cm/s to meters per minute? Select each correct answer. A.) 60 s1/ min B.) 1 m
what is the word phrase for 3m
the difference of twice a number c and 10 is no more than 42
The graph of the equation (given below) will intersect the y-axis when y equals what value?
batu was the first muslim ruler to receive the title of sultan. true false
the first continental congress was held in 1774 in the city of: a. washington, d.c. b. new york c. philadelphia d. boston
the big bang theory of the formation and expansion of the universe is supported by the observed ____
890678340 in word form