SOLUTION: Hi! Could you please help me out in this problem! Thank you so much, and for your generous time! Find d (common diffrence) when a(sub 0) is 3/20. And a(sub 4) is 6/5. Thank

Algebra ->  Sequences-and-series -> SOLUTION: Hi! Could you please help me out in this problem! Thank you so much, and for your generous time! Find d (common diffrence) when a(sub 0) is 3/20. And a(sub 4) is 6/5. Thank       Log On


   

Question 634715: Hi! Could you please help me out in this problem! Thank you so much, and for your generous time!
Find d (common diffrence) when a(sub 0) is 3/20. And a(sub 4) is 6/5.
Thank you once again!
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Find d (common diffrence) when a(sub 0) is 3/20. And a(sub 4) is 6/5.
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General Form: a(n) = a0+(n-1)d
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a0 = 3/20
a4 = a0 + (4-1)d = 6/5
(3/20)+3d = 6/5
3d = (6/5)-(3/20)
3d = 24/20 - 3/20
3d = 21/20
d = 7/20
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Cheers,
Stan H.