Brookesvillage
Brookesvillage Brookesvillage
  • 25-02-2022
  • Mathematics
contestada

3. What are the first three terms of the Arithmetic Sequence a, = 12 - 2(n - 1)?
11, 10,9
1,2,3
12,10,8
0 10 20​

Respuesta :

semsee45
semsee45 semsee45
  • 25-02-2022

Answer:

12, 10, 8

Step-by-step explanation:

Substitute n = 1, n = 2 and n = 3 to find the 1st, 2nd and 3rd terms of the sequence:

[tex]a_n=12-2(n-1)[/tex]

[tex]\implies a_1=12-2(1-1)=12-2+2=12\\\\ \implies a_2=12-2(2-1)=12-4+2=10\\\\ \implies a_3=12-2(3-1)=12-6+2=8[/tex]

Answer Link

Otras preguntas

Which of the following would be used to measure pressure?A) gramB) newtonsC) kilopascalsD) kilograms
help pleaase i dont understann
The diagram shows a circle, centre O . Points A , B , C and D lie on the circumference of the circle. E D F is a tangent to the circle. Angle A B C = 8
Which part of a fatty acid is hydrophilic?
Part A: According to this excerpt from Douglass's autobiography, what point of view did he develop from his reading? O an appreciation for the actions of his ma
Theresa is setting up tables for a feast each table can sit 9 people. a total of 74 people are coming tot the feast, how many tables are needed for everyone to
PLEASE HELP (Giving Good Points!) What value of q makes the equation true? 1/2(q+4)=10
Graph each integer or set of integers on a number line The question: -8 Don’t mind the other questions pls
How can nitrogen from the air enter the soil? A. Lightning and rainfall B. Photosynthesis C. Sunlight D. Respiration
1.Kawana knows that the sandwich she eats for lunch will give her energy for lacrosse practice that afternoon, but she wonders exactly how the food will reach h