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

Multiply. –7 ∙ 8 a. –56 b. –1 c. 1 d. 56
How many miles do you estimate it would be if you still the strip around the equator
OF what kind of organic compound are oils, waxes, and fats an example?
The reciprocal of a fraction less than 1 is always a fraction greater than 1. Why is this?
Which one of the following words has the suffix -ing added correctly? a. Stoping b. Talking c. Hopeing d. Findding
How can the distributive property be used to find 4x875?draw an array.
How u write an inequality for brigitte is shorter than 5 feet (brigitte height =h)
when h has the value 4, calculate 5h - 3? Urgent help needed!!!!!!!
Choose the correct sentence. a. You paid your money and takes your choice. b. You payes your money and takes your choice. c. You pay your money and take your ch
What do you do when you paraphrase something? A. Put an author's words into your own words. B. Eliminate unnecessary words from a quote. C. Use one quote to exp