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Mathematics 14 Online
OpenStudy (anonymous):

Find the 3rd term of an arithmetic sequence with t2= 9/2 and t5 = 6?

OpenStudy (welshfella):

i meant (t5 - t2) / 3 will give you the common difference

OpenStudy (anonymous):

4/9 ?

OpenStudy (welshfella):

(6 - 4.5) / 3

OpenStudy (anonymous):

.5

OpenStudy (welshfella):

right so if you add this to t2 you'll get t3

OpenStudy (anonymous):

ohhhhhh so 5

OpenStudy (welshfella):

right

OpenStudy (anonymous):

thanks

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