Seudónimo Seudónimo
  • 02-01-2015
  • Mathematics
contestada

Find the 22nd term of the arithmetic sequence with a1 = -6 and a common difference of d=3

Respuesta :

naǫ
naǫ naǫ
  • 02-01-2015
[tex]a_n=a_1+d(n-1) \\ a_1=-6 \\ d=3 \\ a_n=-6+3(n-1)=-6+3n-3=3n-9[/tex]

The nth term of the sequence is 3n-9.
Now replace n with 22.

[tex]a_{22}=3 \times22-9=66-9=57[/tex]

57 is the 22nd term of this sequence.
Answer Link

Otras preguntas

which equation shows y +1/5=3x in standard form A.15x+5y=-1 B.15x-5y=1 C.5x-15y=1 D.15x-5y=-1
What urban problems discussed in your textbook does riis touch upon in this passage?
Could someone please help me. Thanks!!! 12 points!
The three major substances removed from the blood by the kidneys are: Sugar Carbon dioxide Salt Excess Water Protein
An integer is 1 less than twice that of another. If their sum is 20, find the integers
Read the following excerpt and solve the problem below. You know on the basis of a priori knowledge that dinner is eaten in the evening, not the morning; there
Which angle is the included angle for MP¯¯¯¯¯¯ and MN¯¯¯¯¯¯¯ ? ∠M ∠N ∠P
Which describes a significant difference between the North and the South in the years leading up to the Civil War? ____________________________________________
What is true about a pseudoscientific idea? It can be replicated and verified. It is improved with new information. It ignores parts of the method within an
Simon took the length width and height of his textbook. the measurements were 26 cm, 23 cm, and 3cm respectively. what is the volume of his book