themmings7903 themmings7903
  • 02-04-2021
  • Mathematics
contestada

Given the arithmetic sequence of 21,
6, 9, 24,
find an explicit rule for the nth term.

Respuesta :

DWRead
DWRead DWRead
  • 02-04-2021

Answer:

Step-by-step explanation:

The sequence you gave is not arithmetic.  I'm assuming the sequence is

21, 6, -9, -24.

d is the common difference between adjacent terms.

a₂ = a₁ + d

6 = 21 + d

d = -15

nth term = a₁ + (n-1)d = 21 - (n-1)15

Answer Link

Otras preguntas

Progressive and conservative Republicans disagreed on which of the following in the early 1900s?
why does drinking large volumes of plain water after exercising may affect the salt balance in the body?
Meetings of Federal Reserve officials occur in Boston New York Washington, D.C. Chicago
Describe the motion of an object which has balanced forces acting on it
Which verb agrees with its subject? Many passengers who ride on the bus __________ to music through headphones. A. listening B. listen C. was listening D. liste
To what extent was the US Constitution a radical departure from the Articles of Confederation?
what valuable resources are located in the taiga?
The width of a rectangle is 7 meters greater than its length. If the area of the rectangle is 170 square meters, write the quadratic equation in standard form f
Identify the case of the pronoun in the following sentence: I ate the entire pizza. A. Nominative B. Objective C. Possessive
Members of which of the following phyla have the most species that parasitize humans? a.Porifera b.Mollusca c.Echinodermata d.Platyhelminthes