Dfomar Dfomar
  • 26-04-2019
  • Mathematics
contestada

Find a8 in the arithmetic sequence when a1=-9 and d=7

Respuesta :

sheilin475 sheilin475
  • 26-04-2019

What do you mean let me see a picture of the problem

Answer Link
jimrgrant1 jimrgrant1
  • 26-04-2019

Answer:

40

Step-by-step explanation:

The n th term of an arithmetic sequence is

[tex]a_{n}[/tex] = [tex]a_{1}[/tex] + (n - 1)d, hence

[tex]a_{8}[/tex] = - 9 + (7 × 7) = - 9 + 49 = 40

Answer Link

Otras preguntas

What is the partial quotient of 540 divaded by 36
Russia and great britain claimed that they had no imperialistic motives when they entered world war 2 true or false?
Photosynthesis and cellular respiration differ in which ways
if f(x)=2x/7+4, which of the following is the inverse of f(x)?
crate a acrostic poem
Which case with the Supreme Court here through its original jurisdiction
The tallest hotel in the world is $390 m tall. Using the conversion 1 foot = 30cm, state the height of the hotel in feet.
Y=2X-1 5x-4y=1 is (1,1) a solution of the system
Lena runs 7 miles in 60 minutes. At the same rate, how many miles would she run in 24 minutes?
You need to reduce the number of pills for this batch by 50. How much active ingredient do you need to have in the mixture?