SOLUTION: please help mesolve this equation .if,in an arithmatic sequence,the 4th term is 5and the 7th term is9,what is d?
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Question 1037353: please help mesolve this equation .if,in an arithmatic sequence,the 4th term is 5and the 7th term is9,what is d?
Answer by ikleyn(52795) (Show Source): You can put this solution on YOUR website!
.
= = 5.
= = 9.
Take the difference: 3d = 9-5 = 4.
Now calculate d.
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