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10th grade math

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MATH HELP! [Arithmetic Sequences] 10th Grade.
cloudyyskies @cloudyyskies (5) • Canada 4 Sep 08
1. Consider the arithmetic series 2 + 5 + 8 +... a) Find an expression for S(n), the sum of the first n terms. b) Find the value of n for which S(n) = 1365. - 2. Ashley&Billie are swimmers training for a competition. A)...
10th grade math
arithmetic sequences
ashley
help
math
math help
trains
1 response
MATH HELP! [Arithmetic Sequences] 10th Grade.
cloudyyskies @cloudyyskies (5) • Canada 4 Sep 08
1. Consider the arithmetic series 2 + 5 + 8 +... a) Find an expression for Sn, the sum of the first n terms. b) Find the value of n for which Sn = 1365. 2. An arithmetic sequence has 5 and 13 as its first two terms...
10th grade math
arithmetic sequences
help
math
math help