• 11-08-2018, 10:55 PM
well, it could go a little above 19000. I was just using that as a nice round number., I haven't gotten to logarithms, at least not this time...
6 replies | 451 view(s)
• 11-07-2018, 03:22 AM
I did notice that, at least judging from this formula, anything above 19000 is not going to happen....Seems to be this formula is defective in that...
6 replies | 451 view(s)
• 11-06-2018, 07:54 PM
Here is the problem: Here is my solution: After I worked this out I got a little suspicious of this formula because it seemed only to...
6 replies | 451 view(s)
• 11-02-2018, 10:35 PM
I thought of that...but we have not yet come to that formula in the text. So..I guess the author threw a curve ball here and, well, what's the good...
4 replies | 204 view(s)
• 11-02-2018, 07:58 PM
Here is the problem: Here is my solution (please note that I have changed the z to x so that the z would not be mistaken for a 2): The...
4 replies | 204 view(s)
• 10-28-2018, 07:40 PM
Here is how I went about this problem today: I like this method more than the multiply by reciprocal approach. Anyway, finally!
12 replies | 900 view(s)
• 10-28-2018, 01:39 AM
I want to thank all who responded and all who contributed different ways to approach this problem. I am going to try some of them tomorrow. Too late...
12 replies | 900 view(s)
• 10-28-2018, 01:38 AM
Yes, I know now that I added the denominators. And I did not do a very good job with recording my working out of the problem. What looks like an...
12 replies | 900 view(s)
• 10-28-2018, 01:36 AM
I admit I need to improve my penmanship in this area.
12 replies | 900 view(s)
• 10-28-2018, 01:34 AM
Oh Boy! I don't know how I could have done that. And done it. And done it. I know these things! But.... I haven't got a leg to stand on. Thanks for...
12 replies | 900 view(s)
• 10-27-2018, 07:38 PM
Here is one of the choices in a multiple choice problem whose question is: Which of the following is true? This is choice C: . . . . .\mbox{C. }\,...
12 replies | 900 view(s)
• 10-26-2018, 02:09 AM
tha Well, sometimes it helps to make a kind of model of a problem--I like to knock down all elements ,coefficients, variables and constants, to...
9 replies | 408 view(s)
• 10-24-2018, 07:34 PM
I did something like this while fooling again with this problem--even before looking at your post. Here is how I applied the principle you are...
9 replies | 408 view(s)
• 10-24-2018, 07:28 PM
Thanks. I went over this problem again last night and again today before I looked at your post I realized finally what you point out here, namely...
9 replies | 408 view(s)
• 10-23-2018, 07:39 PM
Here is the problem: Here is what I did with it: My solution: 1/(2(x+3)) Book solution: Where the **** do they get that denominator?
9 replies | 408 view(s)
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