apriavitalimae
apriavitalimae apriavitalimae
  • 04-06-2016
  • Mathematics
contestada

Given the following sequence, find the 15th term: 3,1,-1,-3,-5

Respuesta :

arex21
arex21 arex21
  • 04-06-2016
-25 just subtract 2 everytime 
Answer Link
Panoyin
Panoyin Panoyin
  • 05-06-2016
3, 1 ,-1, -3, -5
 -2  -2  -2   -2

a(n) = a₁ + d(n - 1)
a(n) = 3 - 2(n - 1)
a(n) = 3 - 2(n) + 2(1)
a(n) = 3 - 2n + 2
a(n) = -2n + 3 + 2
a(n) = -2n + 5

a(n) = -2n + 5
   a₁₅ = -2(15) + 5
   a₁₅ = -30 + 5
   a₁₅ = -25
Answer Link

Otras preguntas

what is glossities and deficiency
I figured out the 1st question but I do not understand the second one...please show me step by step! Thank you!
What's the word for looking down on others; proud and scornful
Which chemical equation best describes the reaction of potassium metal with fluorine gas to form solid potassium fluoride? A. K(s) + F2(g) → KF2(s) B. K(s) + F(
How do we use the Pythagoras theorem in "everyday life".
what we need to become success
How do we use the Pythagoras theorem in "everyday life".
What is the answer to 12-2x6+2/2
write a system of equations and solvea class of 195 students went on a field trip. They took 7 vehicles,some cars and some buses. find the number of cars and nu
Molecular scientists can read the DNA code and compare the DNA of different organisms. This concept is used in molecular clocks to determine which of the follow