Sean1peters Sean1peters

17-05-2017
Mathematics

contestada

What is the 20th term of the following arithmetic sequence?
1/2 , 1 , 3/2, 2

Respuesta :

ghanami ghanami

17-05-2017

hello :
the common diffrence is : 2-3/2 =3/2-1 = 1-1/2 =1/2
an = a1 +(n-1)d (general term) a1 =1/2 d=1/2
an = 1/2+(n-1)(1/2) = 1/2n
if n =20 a20 = (1/2)(20) = 10

Answer Link

Otras preguntas

Based on the data shown in the graph, which of the following best describes how ecologists could determine when this ecosystem is approaching a climax communit

In the most recent referendum on the issue, nearly ___ of voters favored independence for Quebec A. 30% B. 40% C. 50%

What is the value of p?

Does the movement of air masses make weather prediction harder or better? Here is some text 2 help u with the question: The reason is they must take into accou

One molecule of glucose is recycled into ____________ molecules of carbon dioxide during cellular respiration.

379 fewer than t is 22

~ The movement of early people in search of food resulted in

Suggest why the coast near Grimsby has notbeen affected by erosion.

The Moon's repeated pattern of movement and changes in appearance is known as the revolution .It is due to the Moon?

is amoungously a word