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

katherine spends 1,089.72 each month for rent and supplies to run her salon. If she charges $18 for a haircut how many hair cuts must kathrine do to cover her e
Simplify (2x + 3)(x – 4) = ?
A rectangular prism has a volume of 105 m3. This prism is enlarged using a scale factor of 4. What is the volume of the enlarged prism?Please Explain...
If y^8 = 4 and y^7 = 3/x, what is the value of y in terms of x? (A) 4x/3 (B) 3x/4 (C) 4/x (D) x/4 (E) 12/x
How do we call a very small video,that is repeating unlimitedely
Is sky an abstract noun??? X
what is air pressure?
list the 6 characteristics of american economy and explain how they help the economy grow
a spinner is divided into 8 equal sections. 5 sections are red and 3 are green. if the spinner is spun 3 times, what is the probability that it lands on red exa
What is Taurine? Please help :)