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mmm4444bot
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mmm4444bot
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10-06-2005
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05:18 AM
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Today,
05:15 AM
mmm4444bot
replied to a thread
Thanks?
in
Math Odds & Ends
You're welcome!! :-P As noted, by my comment in richiesmasher's first post, I had cropped and rotated the image, to remove everything which the OP...
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2 replies | 50 view(s)
Today,
05:00 AM
mmm4444bot
replied to a thread
Scale a Polynomial
in
Intermediate/Advanced Algebra
The graph of this function is a parabola that opens upward. Is there a typo? I think there are better models (i.e., those resulting in...
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1 replies | 49 view(s)
Today,
04:34 AM
mmm4444bot
replied to a thread
Draw a right triangle with an acute angle and radius of incircle given
in
Geometry and Trig
We get better results by uploading three separate (cropped) images instead of combining three full pages into a single, very wide image. Most...
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6 replies | 126 view(s)
Today,
04:20 AM
mmm4444bot
replied to a thread
Cryptic clue (Dec.15)
in
Math Odds & Ends
My answer, proffered in alternate-clue form. :cool: Heraldic green tigon body is a real head-spinner (7)
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2 replies | 76 view(s)
12-15-2017,
04:02 AM
mmm4444bot
replied to a thread
Ancient Crypt?
in
Math Odds & Ends
You got it. :cool:
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5 replies | 287 view(s)
12-14-2017,
04:52 AM
mmm4444bot
replied to a thread
Ancient Crypt?
in
Math Odds & Ends
Last hints: Direct on the left 'e' on the right: - - - - - e No indicators
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5 replies | 287 view(s)
12-14-2017,
04:24 AM
mmm4444bot
replied to a thread
Can someone tell me what I'm doing wrong (3((e^2x)/(e^x-3))+2=7)
in
Intermediate/Advanced Algebra
Yes -- that's what I got. If they want the other form, then they would need to say so (like: "Express the solution without any logarithms of...
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5 replies | 145 view(s)
12-14-2017,
04:14 AM
mmm4444bot
replied to a thread
Why is the domain in this problem all reals? (x^2-9)/(3x^2+1)
in
Intermediate/Advanced Algebra
Right. x^2 - 3x - 10 = 0 You found the Real solutions, by factoring. That's good, when the denominator factors. If it does not factor, then you...
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5 replies | 125 view(s)
12-14-2017,
03:44 AM
mmm4444bot
replied to a thread
Can someone tell me what I'm doing wrong (3((e^2x)/(e^x-3))+2=7)
in
Intermediate/Advanced Algebra
3 \bigg(\dfrac{e^{2x}}{e^{x - 3}}\bigg) + 2 = 7 Here is how we type it: 3e^(2x)/e^(x-3) + 2 = 7 My first two steps would be (1) subtract 2...
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5 replies | 145 view(s)
12-14-2017,
03:32 AM
mmm4444bot
replied to a thread
Why is the domain in this problem all reals? (x^2-9)/(3x^2+1)
in
Intermediate/Advanced Algebra
No. The issue is not whether we can factor the numerator or denominator. The issue is that we cannot have zero in the denominator of a ratio. In...
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5 replies | 125 view(s)
12-14-2017,
03:18 AM
mmm4444bot
replied to a thread
Can someone tell me what I'm doing wrong (3((e^2x)/(e^x-3))+2=7)
in
Intermediate/Advanced Algebra
Note the grouping-symbol changes that I made above. In the ratio, the numerator is 3 times a power of e, and the exponent is 2x. The...
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5 replies | 145 view(s)
12-14-2017,
03:07 AM
mmm4444bot
replied to a thread
Why is the domain in this problem all reals? (x^2-9)/(3x^2+1)
in
Intermediate/Advanced Algebra
3x^2 + 1 does not factor (there's no factoring pattern for a 'sum of squares'). (3x + 1)(x - 1) = 3x^2 - 2x - 1 3x^2 + 1 is never zero; it's...
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5 replies | 125 view(s)
12-13-2017,
02:42 AM
mmm4444bot
replied to a thread
Circus Crypt?
in
Math Odds & Ends
You win the cupie doll. :cool:
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4 replies | 197 view(s)
12-13-2017,
02:34 AM
mmm4444bot
replied to a thread
How many plates in a national licence plate system with 3 letters and 3 numbers?
in
Arithmetic
Yes, if the format is either of the following (i.e., containing 3 adjacent letters and 3 adjacent numbers): ABC123 123ABC The count is...
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1 replies | 108 view(s)
12-13-2017,
02:17 AM
mmm4444bot
replied to a thread
Pain in the Asymptotes: Q: f(x) = 1 / [ 1 + e^(3x) ]
in
Calculus
You already know how to analyze the behavior of a ratio with fixed numerator, by considering what's happening in the denominator. That is, as the...
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2 replies | 118 view(s)
12-12-2017,
04:48 AM
mmm4444bot
replied to a thread
Ancient Crypt?
in
Math Odds & Ends
Hint: charades-type wordplay
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5 replies | 287 view(s)
12-12-2017,
04:47 AM
mmm4444bot
replied to a thread
Circus Crypt?
in
Math Odds & Ends
Hint: charades-type wordplay
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4 replies | 197 view(s)
12-12-2017,
04:42 AM
mmm4444bot
replied to a thread
Help w/ quiz: "You have six numbers: 123456. Divide 3-digit no. by 2-digit to get..."
in
Arithmetic
If you're using Windows, the snipping tool will capture select areas of your display -- creating JPG files with lower resolution (i.e., much smaller...
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8 replies | 385 view(s)
12-11-2017,
12:21 AM
mmm4444bot
replied to a thread
Circus Crypt?
in
Math Odds & Ends
Hint: no 'e'
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4 replies | 197 view(s)
12-09-2017,
04:07 AM
mmm4444bot
started a thread
Circus Crypt?
in
Math Odds & Ends
Show off impressive bear (10)
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4 replies | 197 view(s)
12-09-2017,
04:03 AM
mmm4444bot
replied to a thread
Ancient Crypt?
in
Math Odds & Ends
Hint: one 'e'
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5 replies | 287 view(s)
12-09-2017,
02:53 AM
mmm4444bot
replied to a thread
Portfolio theory | Covariance & Correlation (a formula in my university paper)
in
Finance/Business Math
This forum needs to reduce full-size screen shots taken from large displays because they won't fit within the forum's thread column without...
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3 replies | 184 view(s)
12-09-2017,
02:31 AM
mmm4444bot
replied to a thread
Help w/ quiz: "You have six numbers: 123456. Divide 3-digit no. by 2-digit to get..."
in
Arithmetic
They spoke of zero and digits greater than six as identifiers for results that need to be ignored. 8-)
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8 replies | 385 view(s)
12-09-2017,
02:22 AM
mmm4444bot
replied to a thread
Scattered Crypt?
in
Math Odds & Ends
Hey! Regarding your first guess, you could coin the 'Denis form'. That is, an indicator that refers to a subset of characters in a word or phrase. ...
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17 replies | 636 view(s)
12-09-2017,
01:55 AM
mmm4444bot
replied to a thread
Scattered Crypt?
in
Math Odds & Ends
Heh. I was gonna post the same statement as the doc, yesterday. I think you're missing the point, Denis. The character strings TX and AI are not...
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17 replies | 636 view(s)
12-09-2017,
12:47 AM
mmm4444bot
replied to a thread
Quadratic Equation: Solve 2a^2+4a+5=0 by completing the square
in
Intermediate/Advanced Algebra
Did you try it? That is, are you stuck somewhere? If you need explanations of the process, google keywords complete the square examples and check...
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4 replies | 182 view(s)
12-08-2017,
03:46 AM
mmm4444bot
started a thread
Ancient Crypt?
in
Math Odds & Ends
Old, close to dead (6)
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5 replies | 287 view(s)
12-08-2017,
03:42 AM
mmm4444bot
replied to a thread
Scattered Crypt?
in
Math Odds & Ends
Well, that's no fun. :(
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17 replies | 636 view(s)
12-08-2017,
03:39 AM
mmm4444bot
replied to a thread
Scattered Crypt?
in
Math Odds & Ends
Right! :) The spoiler tags broke some time ago, so we've been masking posted answers by changing the font color (i.e., highlighting reveals it). ...
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17 replies | 636 view(s)
12-07-2017,
06:20 AM
mmm4444bot
replied to a thread
Discussing Third-Party SPAMMER
in
Math Odds & Ends
They are the one who is a SPAMMER (posting from Prague, Czechia) and has just been reported and banned. As a reminder to everybody, please do not...
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6 replies | 241 view(s)
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Phototypographer, Bank Courier, Computer Programmer, EMT, ER Physicians Asst, Math Tutor, Retirer, +
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"English is the most ambiguous language in the world."
~ Yours Truly, 1969
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