18144 18144
  • 01-12-2020
  • Mathematics
contestada

the nth term of a sequence is n^2+20
work out the first 3 terms

Respuesta :

jimrgrant1 jimrgrant1
  • 01-12-2020

Answer:

21, 24, 29

Step-by-step explanation:

To calculate the first 3 terms, substitute n = 1, 2, 3 into the rule, that is

a₁ = 1² + 20 = 1 + 20 = 21

a₂ = 2² + 20 = 4 + 20 = 24

a₃ = 3² + 20 = 9 + 20 = 29

Answer Link

Otras preguntas

Which type of informational text is written in 3rd person? Question 3 options: A Memoir An Autobiography A Biography A Journal
Which schedule is most effective for maintaining behavior over the long term? a. fixed ratio b. fixed interval c. variable ratio d. variable interval?
What is necessary for a substance to be a conductor of electricity?
A stream in mountain are that is carved from bedrock is called a
what are similarities between mountains and plains??
please help me to work this out
a homozygous plant with red flowers is crossed with a homozygous plant with white flowers. The offspring are pink. what is this an example of?a. Complete domina
Please help me answer this & if you could explain the process it would help a lot x = 4 7 9
need help !!!Divide 5a^2 + 6a - 9 into 25a^4 + 19a^2 - a - 78.
An enzyme that can facilitate the breakdown of amylose into smaller units is ________.