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Mathematics 13 Online
OpenStudy (dianac03):

what is the formula to get the nth term

OpenStudy (jackthegreatest):

what math level, is it derivatives?

OpenStudy (dianac03):

i dont know

OpenStudy (jackthegreatest):

do you have a link or something? just the nth term isnt enough

OpenStudy (dianac03):

it says what is the 100th term of the sequence 50,49,48,47,46

OpenStudy (jackthegreatest):

ahh: 51n-1

OpenStudy (jackthegreatest):

@DianaC03

OpenStudy (jackthegreatest):

whoops

OpenStudy (dianac03):

what is 5in-1

OpenStudy (jackthegreatest):

51-n

OpenStudy (jackthegreatest):

so the 100th would be -49

OpenStudy (dianac03):

ok what about the 15th term of the sequence 5,6,8,11,15,...

OpenStudy (sshayer):

50,49,48,.... first term a=50 d=49-50=-1 \[t _{100}=a+(n-1)d=50+(100-1)*-1=50-99=-49\]

OpenStudy (jackthegreatest):

the 15th would be 51-14= 37

OpenStudy (dianac03):

thanyou now i understand it

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