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's the difference between percent abundance and relative abundance?
may someone help me out with this question
if a piece of glass permits light to pass through, then it is considered ___________.
Which property of water causes the curved surface shown in the Figure 2–1? A. pH B. cohesion C. adhesion D. heat capacity
If the clothing maker bought 500 m2 of this fabric, how much money did he lose? Use 1tepiz=0.625 dollar and 0.9144m=1yard.
1. In the personification of death in the final scene, what is Romeo communicating? (1 point). that death has taken Juliet as his love and wishes to keep he
what are some examples of a complex institutions
In America’s version of federalism, power is shared _____.
What are some similarities between Egypt's culture and China's culture? Give 5-7 similarities and differences of the two cultures.
Which of these substances are elements? more than 1 answer 1.silicon 2.lead 3.silicone 4.water 5.iodine 6.quartz