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seen Feb 24 '11 at 0:21
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Feb
23
comment Order of operations in evaluating a polynomial
Hey thank you again for the reply, I remember you helped me before.
Feb
23
awarded  Student
Feb
23
comment Order of operations in evaluating a polynomial
yes correct thats exactly how it appears on my paper.
Feb
23
asked Order of operations in evaluating a polynomial
Feb
23
accepted Structure of an algebraic equation
Feb
23
comment Structure of an algebraic equation
thank you, I've noted my mistakes.
Feb
23
comment Structure of an algebraic equation
Thank you and to confirm if x = 3 (positive) the equation would be -(3)^2+4(3) = 3 Thank you very much for your help by the way.
Feb
23
asked Structure of an algebraic equation
Feb
8
awarded  Commentator
Feb
8
comment infinity geometric series
Thank you for your help! it's very much appricated. by the way I used the formula s=(1−rn)/(1−r) for the vulgar fraction. Thanks again!
Feb
8
comment infinity geometric series
when I use the following formula 1 / (1 - r) I get the following a) -5 b) 0.769230769 c) 28 any help further would be very much appriciated.
Feb
8
comment infinity geometric series
I have used the following and get a) 1 b) 1 d) 20 remembering the parentheses. What would the formula be when the upper limit is infinity? is it 1 / (1 - r)
Feb
8
revised sum of a geometric series
added 350 characters in body
Feb
8
comment infinity geometric series
It's my homework I hope im correct lol :(
Feb
8
awarded  Editor
Feb
8
comment infinity geometric series
I have now included the formula along with the working out for each.
Feb
8
revised infinity geometric series
working out shown - as requested.; deleted 14 characters in body; deleted 13 characters in body
Feb
8
comment infinity geometric series
Hi Ross, can you tell my why they are incorrect please?
Feb
8
comment sum of a geometric series
I have reasked my question with answers provided. math.stackexchange.com/questions/20999/
Feb
8
comment sum of a geometric series
I have reasked my question with answers provided. math.stackexchange.com/questions/20999/…