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Math ( Can You check my Work?)
1.an = 3n  1 2. an = 2(2n  3) 3.an = 4^n 4.an = (2/3)^n 5. an = (1)^n(n + 5) 6. an = (1)^n + 1(n + 6) 7. an= n+3/2n1 8. a1 = 5 and an = an1  3 for n ≥ 2 9. a1 = 6 and an = 2an1 for n ≥ 2 10.a1 = 4 and an = 3an1 + 2
asked by Tony on August 1, 2012 
algebra
1)Find the 20th term of the arithmetic sequence in which a1=3 and d=7 a.143 b.136 c.140 d.133 an=a1+(n1)d a20=3+(201)7 a20=3+(19)7 a20=3+133 answer=b 2)Write an equation for the nth term of the arithmetic sequence 3,3,9,15...
asked by Marissa on August 26, 2007 
Math PLEASE HELP PLEASE PLEASE PLEASE
Question 1 Write the first four terms of the sequence whose general term is given. an = 3n  1 Answer 2, 3, 4, 5 2, 5, 8, 11 2, 5, 8, 11 4, 7, 10, 13 3 points Question 2 Write the first four terms of the sequence whose general
asked by Tony on July 10, 2012 
Math
Question 1 Write the first four terms of the sequence whose general term is given. an = 3n  1 Answer 2, 3, 4, 5 2, 5, 8, 11 2, 5, 8, 11 4, 7, 10, 13 3 points Question 2 Write the first four terms of the sequence whose general
asked by Anonymous on July 10, 2012 
Math
an = 3n  1 Answer 2, 3, 4, 5 2, 5, 8, 11 2, 5, 8, 11 4, 7, 10, 13 3 points Question 2 Write the first four terms of the sequence whose general term is given. an = 2(2n  3) Answer 6, 2, 2, 6 1, 1, 3, 5 2, 4, 6, 8 2,
asked by Tony on July 17, 2012

Math
Please help me with my midterm review my teacher was out sick today and idk how much longer she will be but my midterms Thursday. She only helps people who she has seen done there midterm review and gotten over half of it right so
asked by Mark on October 20, 2015 
math/algebra
simplify. ã20/5  1/ã5 I come up with 2 different answers (1) 2 ã5/5  1/ã5 2ã5  1ã5 1/ã5 or (2) ã20/5  1/ã5 = ã(4 )  1/ã5 2  1/ã5 = 10/5  ã5/5 = (10 ã5)/5 and neither are the
asked by dee on July 29, 2007 
8th Grade AlgebraRadicals:Answer Check
4. 3ã11 + 4ã11 Answer: 8ã11 7. 7ã2  2ã8 Answer: 1ã2 ?? 8. ã48 + ã75 Answer: 9ã3 9.(3ã10) Answer: 19 + 6ã10 10. ã27/64 (Fractions) Answer 3ã3/8 ?? 11. 10ã20  3ã80 Answer: 10ã5 12.
asked by Joy on January 13, 2009 
Math
can someone please help quick Choose the correct simplification of the expression (3x)4 can you explain how you got your answer
asked by lisa on October 5, 2016 
Math
3ã20(2ã57)
asked by Alexis on October 6, 2011