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Mathematics 24 Online
OpenStudy (anonymous):

What is the 25th term of the arithmetic sequence 9, 15, 21, … ?

OpenStudy (anonymous):

151 152 153 154

OpenStudy (dls):

A(n)=9+(25-1)6)

OpenStudy (anonymous):

9+(25-1)6 9+144 152

OpenStudy (anonymous):

ohh okayy! thankyou! So you wait. just so I know how to do another one. This is the formula right: a1+(n-1)d?

OpenStudy (dls):

A(nth) = a+(n-1)d

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

ohh got it! I wasnt sure on my formula so I couldnt do it! thankyou! :)

OpenStudy (dls):

np!

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