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Denis
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Denis
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Join Date
02-17-2004
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06:29 PM
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Denis
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Yesterday,
03:34 PM
Denis
replied to a thread
Need help understanding these types of problems.
in
Intermediate/Advanced Algebra
Ahhh...ok...but I've reworded the problem: field must be rectangular shared fence parallel to W or L In other words, Subhotosh's equation.
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15 replies | 320 view(s)
Yesterday,
01:34 PM
Denis
replied to a thread
Need help understanding these types of problems.
in
Intermediate/Advanced Algebra
You've lost me Jeff: what meanest thou?
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15 replies | 320 view(s)
Yesterday,
10:48 AM
Denis
replied to a thread
Need help understanding these types of problems.
in
Intermediate/Advanced Algebra
Well, certainly looks like a rectangle was intended (as Subhotosh says); so 400 by 300 = 120,000 sq.ft. 800*$3 + 600*$3 + 300*$2 = $4800 ...
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15 replies | 320 view(s)
02-19-2018,
07:39 PM
Denis
replied to a thread
Need help understanding these types of problems.
in
Intermediate/Advanced Algebra
Already there; that's why I posted: Ahhh shucks......>|_ (that's a corner!)
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15 replies | 320 view(s)
02-19-2018,
04:50 PM
Denis
replied to a thread
Need help understanding these types of problems.
in
Intermediate/Advanced Algebra
Ahhh shucks......>|_
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15 replies | 320 view(s)
02-19-2018,
01:51 PM
Denis
replied to a thread
High School Level: Fun yet tricky triangle problem with diagram.
in
Geometry and Trig
Further to TK's suggestion: can you show that y^2 - x^2 = 500?
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2 replies | 91 view(s)
02-19-2018,
01:41 PM
Denis
replied to a thread
Need help understanding these types of problems.
in
Intermediate/Advanced Algebra
Or since a square produces maximum area, you can use side = L, thus perimeter 4L. You can then forget about the shared fence: instead, use 3...
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15 replies | 320 view(s)
02-19-2018,
01:31 PM
Denis
replied to a thread
Parabolic word problem.
in
Intermediate/Advanced Algebra
Here you go, TK : https://www.gracegems.org/E/parables.htm
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4 replies | 106 view(s)
02-18-2018,
10:54 PM
Denis
replied to a thread
Reporting Offensive Comments to Moderators.
in
Administration Issues
Doug, scorn and making fun OF you are the farthest thing from my mind. I thought we were both having fun...felt like that to me anyway. Apologies...
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3 replies | 115 view(s)
02-16-2018,
01:15 PM
Denis
replied to a thread
dollar and cent coins were mixed up. banker needs help!
in
Intermediate/Advanced Algebra
I get p = (199k + 5) / 98 k and p > 0 and < 100 and are integers Only one solution....
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4 replies | 173 view(s)
02-16-2018,
01:07 PM
Denis
replied to a thread
(Help) Finding "x" in an equation: (x-1)3/4 = 64.
in
Beginning Algebra
Can you solve: x(3/4) = 60 Btw, x(3/4) means x multiplied by 3/4. Usually shown as: (3/4)x
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2 replies | 145 view(s)
02-14-2018,
09:47 AM
Denis
replied to a thread
Cryptic dancing
in
Math Odds & Ends
I CAN't think of a better answer!!
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4 replies | 227 view(s)
02-14-2018,
12:15 AM
Denis
replied to a thread
Cryptic dancing
in
Math Odds & Ends
Huh?!
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4 replies | 227 view(s)
02-14-2018,
12:13 AM
Denis
replied to a thread
Finding X using a focal Date: Mr.D borrows $2000 now and $3000 in 4 months.
in
Finance/Business Math
Why are you calling it a focal date? Shouldn't it simply be "final payment date"? By simple interest, do you mean (1+ i)^12 = 1.12, which means...
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2 replies | 302 view(s)
02-13-2018,
10:20 AM
Denis
started a thread
Cryptic dancing
in
Math Odds & Ends
Easy one: Dance by American trio and African trio (6) no e
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4 replies | 227 view(s)
02-12-2018,
04:38 PM
Denis
replied to a thread
A French Limit
in
Math Odds & Ends
Au Canada, 22 minutes est la limite, tabarnak!
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2 replies | 152 view(s)
02-12-2018,
12:42 PM
Denis
started a thread
A French Limit
in
Math Odds & Ends
Hmmmm......debout dans le coin pour 22 minutes!:p
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2 replies | 152 view(s)
02-11-2018,
11:47 AM
Denis
replied to a thread
Solving Pythagoras Theorem eqn a^2 + (1.3a)^2 = c^2 for "a": possible?
in
Geometry and Trig
Let k = 1.3; then: a^2 + (ka)^2 = c^2 a^2 + k^2 * a^2 = c^2 a^2(1 + k^2) = c^2 a^2 = c^2 / (1 + k^2) a = sqrt Try that out using (as...
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4 replies | 241 view(s)
02-10-2018,
11:20 PM
Denis
replied to a thread
Cryptic Sport?
in
Math Odds & Ends
Yip a doo day it works !!! Do I have to tattoo #f0f8ff on my wrist? Edit: just noticed that the "hidden stuff" appears in the "latest posts"...
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7 replies | 414 view(s)
02-10-2018,
02:08 PM
Denis
replied to a thread
Cryptic Sport?
in
Math Odds & Ends
HOW?! Other sites I go to work like this: message Is there a "place" here where the local procedure is explained?
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7 replies | 414 view(s)
02-10-2018,
10:36 AM
Denis
replied to a thread
Cryptic Sport?
in
Math Odds & Ends
Yes.
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7 replies | 414 view(s)
02-09-2018,
10:57 PM
Denis
replied to a thread
Cryptic Coffin?
in
Math Odds & Ends
d-c---t-d
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2 replies | 358 view(s)
02-09-2018,
10:40 AM
Denis
replied to a thread
How to find angle x marked in red? (bearings from Point X to pts R, S which are...)
in
Geometry and Trig
Look at the diagram: you're saying that angleRXS = 60 degrees? Impossible. However, the word "bearing" gives me a headache. I quit here! Hope a...
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7 replies | 327 view(s)
02-09-2018,
09:08 AM
Denis
replied to a thread
Cryptic Sport?
in
Math Odds & Ends
answer: French word beginning with pi How do you "hide" here?
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7 replies | 414 view(s)
02-09-2018,
08:52 AM
Denis
replied to a thread
How to find angle x marked in red? (bearings from Point X to pts R, S which are...)
in
Geometry and Trig
I don't get that; what is equal to 92? I get XS = ~105 and XR = ~70, so RS = ~35 But if you say 92 is the given answer, then I'm certainly...
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7 replies | 327 view(s)
02-09-2018,
12:36 AM
Denis
replied to a thread
How to find angle x marked in red? (bearings from Point X to pts R, S which are...)
in
Geometry and Trig
OK; looked like 20... Had a more careful look using graph paper: R is on line SX, thus TXR and TXS are both right triangles. In other words,...
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7 replies | 327 view(s)
02-08-2018,
11:13 PM
Denis
replied to a thread
How to find angle x marked in red? (bearings from Point X to pts R, S which are...)
in
Geometry and Trig
Richie, that's gotta be your most confusing diagram so far :rolleyes: Question: angleRTS = 20 degrees (shown in brown) That same angle is shown...
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7 replies | 327 view(s)
02-08-2018,
08:41 PM
Denis
replied to a thread
bank balance goes from 2114.70 to 1839.59 from 15/05/17 to 31/05/17 w/ only debits...
in
Arithmetic
Look at the 124.00 item...now kick yourself :p
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3 replies | 194 view(s)
02-08-2018,
07:54 PM
Denis
replied to a thread
Given I_3 * R_3 = I_1 * R_1, I_x * R_x = I_2 * R_2, solve for R_x
in
Beginning Algebra
Hint: use cross multiplication
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2 replies | 176 view(s)
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About Denis
Basic Information
About Denis
Location:
Ottawa, Ontario
Interests:
puzzles
Occupation:
retired
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I'm just an imagination of your figment !
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Last Activity
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06:29 PM
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