algebra(check)
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algebra
I'm pretty sure these are right but I just want to check. 1)Find the 20th term of the arithmetic sequence in which a1=3 and d=7 a.143 b.136 c.140 d.133 answer=b 2)Write an equation for the nth term of the arithmetic sequence
asked by Marissa on August 26, 2007 
algebra
I'm pretty sure these are right but I just want to check. 1)Find the 20th term of the arithmetic sequence in which a1=3 and d=7 a.143 b.136 c.140 d.133 answer=b 2)Write an equation for the nth term of the arithmetic sequence
asked by Marissa on August 24, 2007 
algebra
I'm pretty sure these are right but I just want to check. 1)Find the 20th term of the arithmetic sequence in which a1=3 and d=7 a.143 b.136 c.140 d.133 answer=b 2)Write an equation for the nth term of the arithmetic sequence
asked by Marissa on August 23, 2007 
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Write a possible explicit rule for the nth term of the sequence, then use it to find the 20th term. 5, 10, 20, 40, 80, 160.... Ans: a(n) = 5(2)^n  1 20th term: 2621440
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1) Determine the value of r (put this number in the first blank) and then determine the value of the 10th term of the geometric sequence. Do not use any decimals or mixed numbers in your answers. Reduce all fractions to lowest
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1) In the arithmetic progression, the 8th term is twice the 4th term and the 20th term is 40. Find the common difference and the sum of the terms from the 8th to the 20th term inclusive. 2) Find the least number of terms of the
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The 8th term of a linear sequence is 18th and the 12th term is 26th .find the first term,common difference and the 20th term
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The 8th term of a linear sequence is 18 and 12th term is 26.find the first term,common difference and 20th term
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If the 8th term of an AP is 36 and the 16th term is 68. Find: a) the first term b) the common difference c) The 20th term
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