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

____ increases nutrition loss due to leaching A. Boiling B. Steaming C. Baking
Please help with 17! Thanks I will really appreciate it
The uniformed services employment and reemployment act of 1994 (userra) specifies that veterans remain employees at will in their private workplaces. a. true b.
Factor completely, then place the factors in the proper location on the grid. 3y 2 +7y + 4
If the consumer Price Index for 1989 was 124.0 and the CPI for 1988 was 122.4 What was a rate of inflation? A 1.6 percent B 13 percent C 1.3 percent D 16 pe
Which of the following makes the best introductory sentence? A. Not getting enough sleep at night can cause students to become drowsy during the school day.
In Chapter 3, why is the farmer beating his servant? A.The servant insulted the farmer's home and family. B. he servant tried to run away with Don Quixote. C.
FGH IS A RIGHT TRIANGLE ? True or false
A _____ is a claim that argues whether or not a statement is a fact and can be proven. Readers could fact-check this claim to determine if it is true. A. Claim
help please just help me