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

A species of frog slowly dies off because it cannot compete with the toads and lizards that share its ecosystem. This is an example of
Un huesped es una persona que _
_____ refers to changes in existing ways of thinking understanding or behaving in response to new stimuli or events
Terrell needs the total weight of his backpack water jug and sleeping bag to be less than 11 kilograms. His backpack wights 9580 garms, his water jug is 1.25 ki
Mary wants to create a brochure for her new canoe rental business. What type of application software should she use? A. Word processing software B. Java applet
Calculate the momentum of a 1 kg ball that is moving eastward at 12 m/s.
Explain how dadaism and surrealism reflected economic and political developments after world war 1
How fast should the ant walk to go around the rectangle in 4 minutes? The ant should walk ???? inches per minute. l l l
x+y=a, x-y= What does x and y equal
What does the phrase kill the Indian save the man mean