lexijade1316 lexijade1316

29-03-2020
Mathematics

contestada

given {27,15,3,-9,...} find a11

Respuesta :

29-03-2020

Answer: -21, -33, -45

Step-by-step explanation:

each next number is being subtracted by 12 so

Answer Link

surjithayer10 surjithayer10

29-03-2020

Answer:

-91

Step-by-step explanation:

a1=27

d=15-27=-12

an=27+(n-1)(-12)=27-12n+12=39-12 n

a11=39-12(11)=39-132=-91

Answer Link

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