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

Morgan found a stone arrowhead. He measured it three times. He measured it as 2 inches to the nearest inch, to the nearest 1/2 inch, and to the nearest 1/4 inch
What's a good slogan for a dietitian (have dietitian in it) ?
Newtons third law of motion is also known as the law of ?
What sorts of signals does the brain use to communicate sensations, thoughts and actions?
how is the expression of sex linked genes both  similar to and different from the expression of autosomal genes?
sam cut a pie into equal parts.There are 3 slices left.The angle measures for 3 slices is 72.how many slices did he cut?
A number cube is rolled 24 times and lands on 2 four times and on 6 three time. Find the experimental probability of not landing on a 6
State two ways in which a single-celled organism, such as amoeba, and a human body are alike?
Which of the following is formed at a collision zone?Continental rift valleyVolcanic island chainMountain rangeDeep-ocean trench
Which is the same as 0.08? A) 80% B) 80/100 C) 8% D) 0.8