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 :

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

According to Paragraph 7 of "April Showers," which of the following is not the name of a work created by Kathleen Kyd?

Consider the equation: x^2-51=14x Rewrite the equation by completing the square and what the solution to the equation.

Evaluate the following if a = 3,b= -2 and c = 1 a3 - 2bc +5ac

Find an equation of the plane that is parallel to the line of intersection of the planes ( x + 3y + z = 3 ) ( 3x - y - z = 0 ) and pass through the origin and p

Changes in internal controls

Pls help me!! Pls pls

Lucy is buying a shirt that is on sale for 20% off. If the regular price of the shirt is $30, how much will Lucy pay for the shirt?

x is an odd number and the sum of the next two consecutive even numbers is less than 90. By forming an inequality in terms of x, find the largest possible odd n

Sarah and Tony both investigated the properties of different minerals. Take a look at the table with their observations. What was the difference in the two sets

3 members of a teen hiking group hiked a section of the trail. the hikers stopped at a rest area and equally shared 3/4 gallon of water. how much water did each