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Math
How many solutions does the system of equations have? 3x=12y+15 and x + 4y=5 Y=6x+2 and 3y18x=12 x2y=6 and 3x – 6y =18 y5x=6 and 3y15x=12 Ok, so I’m having problems with these, so if Steve or Reiny could help with these
asked by Gabby on January 13, 2014 
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Reiny could you please check my Calculus post below, it says CalculusReiny.
asked by Untamed on October 4, 2011 
Math
To Reiny: Hi, thank you for your time Reiny and your info. I am so sorry but on the first one I accidentally put 0 where I should have put =9. In other words, the first equation should have said (9n+1)squared =9. Really sorry to
asked by Brandi on November 3, 2013 
Trig.......
I need to prove that the following is true. Thanks (2tanx /1tan^x)+(1/2cos^2x1)= (cosx+sinx)/(cosx  sinx) and thanks ........... check your typing. I tried 30º, the two sides are not equal, they differ by 1 oh , thank you Mr
asked by abdo on April 18, 2007 
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If REINY was reading story problems and if he did not know the algorithm steps to share to a simple problem, would he have time to be sarcastic?
asked by john on January 29, 2012 
Math
Reiny can you show me how to check this problem. 5a^820a^725a^6 =5a^6(a^24a5) =5a^6(a^25a+a5) =5a^6(a(a5)+1(a5) =5a^6(a5)(a+1) (answer)
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Reiny
Reiny I think I have found out the rectangle problem. Could you check and see if Ive got it correct?
asked by Sydney on January 19, 2011 
9th grade algebra/Ms Sue
No, I did not check Reiny's answer that night. I did check it just now and it is the same answer I got the very first time I did the problem,but my Dad did not agree with me at that time. He did later after going over and over it.
asked by Reed on August 26, 2012 
Math
Dear Reiny! U r a lifesaver! Is there a short cut to how can I set the question or change word problems into math one? It seems that this is my problem! Also, why did my way worked as well with different answers? My answers
asked by Me on April 9, 2010 
Ed Tech plz helppppp
What does it mean to troubleshoot your computer? identify problems with your computer and attempt to fix them*** to open your computer to see what's missing from the hard drive to switch the mouse and keyboard plugs to download
asked by Abigail on August 22, 2017