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Denis
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Denis
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Join Date
02-17-2004
Last Activity
Today
08:27 PM
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Denis
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Today,
08:27 PM
Denis
replied to a thread
Day Trading Account Balance Projection Formula
in
Finance/Business Math
Does that mean that $10,000 will be reached in 5000 / 65 = 76.923 = 77 trading days? 5000 + 77*65 = 10005: once a 5000 multiple is reached,...
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4 replies | 99 view(s)
Today,
10:57 AM
Denis
replied to a thread
Travelling headache!
in
Math Odds & Ends
Agree. Here's an integer example: 4d = 300 (distance X to Y) a = 5, b = 10, c = 20 u = 15 (time when A and B are d apart) v = 20 (time...
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3 replies | 81 view(s)
Yesterday,
05:36 PM
Denis
started a thread
Travelling headache!
in
Math Odds & Ends
Came across this interesting(?) problem: We have straight path X to Y, distance = 4d miles. A leaves from X at same time as B leaves from Y....
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3 replies | 81 view(s)
Yesterday,
04:22 PM
Denis
replied to a thread
How do you solve x=1+ω^x+ω^2x
in
Intermediate/Advanced Algebra
Merci M'sieu.
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11 replies | 245 view(s)
Yesterday,
01:33 PM
Denis
replied to a thread
How do you solve x=1+ω^x+ω^2x
in
Intermediate/Advanced Algebra
Doc, IF that's x = 1 + w^x + w^(2x), then x=1 and w=-1 is one of the solutions; yes?
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11 replies | 245 view(s)
12-09-2017,
01:32 PM
Denis
replied to a thread
Scattered Crypt?
in
Math Odds & Ends
One horrible age (3) Cutest one I've seen: Actor screwed up old west action (5,8)
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17 replies | 519 view(s)
12-09-2017,
10:25 AM
Denis
replied to a thread
Scattered Crypt?
in
Math Odds & Ends
My POINT was: the letters T,X,A,I appear IN THE CLUE. If SYNONYMS of Texas (like state) and artificial intelligence (like smart machine?) had been...
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17 replies | 519 view(s)
12-08-2017,
11:57 PM
Denis
replied to a thread
Quadratic Equation: Solve 2a^2+4a+5=0 by completing the square
in
Intermediate/Advanced Algebra
Can you solve it using quadratic equation?
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4 replies | 125 view(s)
12-08-2017,
04:37 PM
Denis
replied to a thread
Scattered Crypt?
in
Math Odds & Ends
No. Go here, scroll to bottom: http://www.gameboomers.com/Garden/CrypticCrosswordTypes.htm Not quite: first, the clue would need to be...
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17 replies | 519 view(s)
12-08-2017,
12:04 AM
Denis
replied to a thread
Scattered Crypt?
in
Math Odds & Ends
I'm sure you mean "set" and "way" for "sweaty". Nice one, Doc. But similarly to anagram and container clues, I don't think synonyms can be used....
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17 replies | 519 view(s)
12-07-2017,
08:44 PM
Denis
replied to a thread
Scattered Crypt?
in
Math Odds & Ends
Was unaware of that example: must have been added recently... However, I'm still stuck. Looks like "moist" is the direct, made up of letters...
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17 replies | 519 view(s)
12-07-2017,
08:37 PM
Denis
replied to a thread
Calculating the result of a 5% growth rate over ten years
in
Finance/Business Math
WHY d'heck would you want to do that? If your teacher expects such manual calculations, then you and your classmates should get him/her fired:cool:
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6 replies | 194 view(s)
12-07-2017,
10:43 AM
Denis
replied to a thread
Casio Calculator Issue FX9750gII
in
Math Odds & Ends
Agree. All the programming languages I've seen only accept integers in the "loop statement". You could try this "trick": loop n from 1 to...
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2 replies | 165 view(s)
12-06-2017,
08:46 PM
Denis
replied to a thread
Scattered Crypt?
in
Math Odds & Ends
Well, no idea: yagott me stumped:confused:
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17 replies | 519 view(s)
12-06-2017,
08:39 PM
Denis
replied to a thread
MARR Present worth analysis
in
Finance/Business Math
I'd rather you buy me for Xmas a pencil with eraser :)
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11 replies | 350 view(s)
12-06-2017,
05:09 PM
Denis
replied to a thread
MARR Present worth analysis
in
Finance/Business Math
Can't read your attachment; here's the steps: PV of 10000 annuity, 5 years: 10000 * (1 - 1/1.10^5) / .10 = 37907.87 PV as at end of year5 of...
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11 replies | 350 view(s)
12-06-2017,
01:43 PM
Denis
replied to a thread
MARR Present worth analysis
in
Finance/Business Math
In case this helps you... Problem can be looked at as a savings account starting in overdraft of -$50000 and the "annuities" being deposited in...
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11 replies | 350 view(s)
12-06-2017,
01:19 PM
Denis
replied to a thread
Calculating the result of a 5% growth rate over ten years
in
Finance/Business Math
F = P(1 + i)^n where: P = Present value (13.8) i = interest (.05) n = number of years (10) F = Future value (?)
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6 replies | 194 view(s)
12-06-2017,
01:13 PM
Denis
replied to a thread
Apple and Blackcurrant: To make a 60ml concentrate the calculation would be...
in
Beginning Algebra
Check mate!
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10 replies | 361 view(s)
12-06-2017,
01:11 PM
Denis
started a thread
Discussing Third-Party SPAMMER
in
Math Odds & Ends
Hmmm..... ▓▓▓▓▓▓▓▓▓▓▓▓▓▓ Which one are you:confused:
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6 replies | 198 view(s)
12-06-2017,
12:35 AM
Denis
replied to a thread
MARR Present worth analysis
in
Finance/Business Math
No. I'll try and explain again. (not easy without chalk/blackboard!) Step 1: calculate PV of $15000 annuity over 10 years 15000 * (1 -...
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11 replies | 350 view(s)
12-05-2017,
05:08 PM
Denis
replied to a thread
Scattered Crypt?
in
Math Odds & Ends
tongue (letters found in "along route") Cute...never seen one in that style. Perhaps an anagram indicator also required, like: Moist plant...
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17 replies | 519 view(s)
12-05-2017,
04:55 PM
Denis
replied to a thread
Apple and Blackcurrant: To make a 60ml concentrate the calculation would be...
in
Beginning Algebra
Hurry up Rev: I'm getting thirsty :cool:
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10 replies | 361 view(s)
12-05-2017,
03:15 PM
Denis
replied to a thread
MARR Present worth analysis
in
Finance/Business Math
As far as I can tell: Model A: Cost: 50000 Revenue: 10000 : 1st 5 years 15000 : next 10 years 15th year salvage value: 5000 Calculation of...
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11 replies | 350 view(s)
12-04-2017,
09:22 PM
Denis
replied to a thread
annuity present value problem: why is interest rate converted to monthly?
in
Finance/Business Math
Not clear in the problem, but meant was 15% APR compounded monthly: so 15/1200 = .0125 = I Formula is P = Ai / A = amount borrowed (50000) i =...
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2 replies | 143 view(s)
12-04-2017,
09:08 PM
Denis
replied to a thread
simplify x + 40 = (x/2)(e^-200/x) + (x/2)(e^200/x), and solve
in
Intermediate/Advanced Algebra
Let k = e^200 (x + 40)/(x/2) = 1/(kx) + k/x Follow that?
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3 replies | 173 view(s)
12-04-2017,
02:41 PM
Denis
replied to a thread
Global minimum if plane A is flying 950km/h and plane is flying 850km/h
in
Intermediate/Advanced Algebra
Huh? How can planes fly "vertically"?
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8 replies | 323 view(s)
12-04-2017,
11:03 AM
Denis
replied to a thread
Exponential scaling problem (real-time input data from an accelerometer)
in
Intermediate/Advanced Algebra
Easy; see here: http://www.wolframalpha.com/input/?i=solve+k+%3D+(+(+(z-c)*Q-c)+-+(+(x-a)*Q-a+)+)*Q+-+(+(x-a)*Q-a)+for+Q :rolleyes:
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7 replies | 336 view(s)
12-04-2017,
09:43 AM
Denis
replied to a thread
Sorting integers into 3 equal (almost) groups
in
Advanced Math
That's a significan't change to your original problem. Without thinking much, how about: 1: arrange the data in ascending order 2: add and...
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10 replies | 357 view(s)
12-03-2017,
03:08 PM
Denis
replied to a thread
can you change 10 pints to gallons using the metric system?
in
Beginning Algebra
Try google...
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5 replies | 364 view(s)
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About Denis
Basic Information
About Denis
Location:
Ottawa, Ontario
Interests:
puzzles
Occupation:
retired
Signature
I'm just an imagination of your figment !
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Total Posts
16,647
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General Information
Last Activity
Today
08:27 PM
Join Date
02-17-2004
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