katiavaniemattei3005 katiavaniemattei3005
  • 06-02-2020
  • Mathematics
contestada

Find the 20th term of the arithmetic sequence 15, 9, 3, -3, ...

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sucidicalp6oqjn
sucidicalp6oqjn sucidicalp6oqjn
  • 06-02-2020

The 20th term is -106

15,9,3,-3,-9,-15,-21,-28,-35,-41,-46 (10) -6 x 10 = -60

-60 + -46

-106

You're just subtracting by 6.

Answer Link
bodrieamber865
bodrieamber865 bodrieamber865
  • 08-05-2021

Answer:

-99

Step-by-step explanation:

you subtract by 6 every number.....

-3-6=-9

-9-6=-15

so on and so on until you get to the 20th term.....

Answer Link

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