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• Yesterday, 01:36 PM
Denis replied to a thread Thanks? in Math Odds & Ends
Looks like I missed your edit: "Last edited by mmm4444bot; Yesterday at 12:30 AM. Reason: cropped and rotated image" OKAY: thanks Mark, and to...
2 replies | 89 view(s)
• Yesterday, 01:30 PM
Ohhh...r = 4, not 42 (the "2" stuck to the "4" when I quoted your ORIGINAL post!). Anyhow, same thing: / 2 = 4 So a = 2r / (sqrt(3)-1) I...
7 replies | 274 view(s)
• Yesterday, 09:03 AM
That was a vIGOrous solve Mark!
3 replies | 114 view(s)
• Yesterday, 12:45 AM
radius of incircle of a right triangle = (sum of the 2 legs - hypotenuse) / 2 Yours is a special 30-60-90 right triangle. If short leg = a, then...
7 replies | 274 view(s)
• 12-16-2017, 08:34 PM
7 replies | 274 view(s)
• 12-16-2017, 02:41 PM
Another way is criss-cross multiplication (my favorite). (100*p - 4000)/(100*p) = 0.3 / 1 1 * (100*p - 4000) = .3 * 100*p 100*p - 4000 = 30*p...
6 replies | 154 view(s)
• 12-16-2017, 10:44 AM
Denis started a thread Thanks? in Math Odds & Ends
Rich, many thanks for a clear readable attachment. Happens in about 1 out of 1000 cases here :rolleyes:
2 replies | 89 view(s)
• 12-16-2017, 10:38 AM
2 + 3 = 5 ; we all agree 3 + 2 = 5 ; PROVE IT :rolleyes:
10 replies | 321 view(s)
• 12-15-2017, 08:55 PM
What does "guest" mean?
7 replies | 263 view(s)
• 12-15-2017, 03:08 PM
Changing 2nd equation: S + U = 90 5S + 3U = 334 What do you get? Think about it...
10 replies | 321 view(s)
• 12-15-2017, 09:42 AM
Aboard upriver tugboat, I leave with spinning head (7) 3 vowels inc'l 1 e
3 replies | 114 view(s)
• 12-15-2017, 09:31 AM
What quadratic equation did you get from that?
6 replies | 287 view(s)
• 12-15-2017, 12:09 AM
On google attachment, Gary has 58 of the total 312 months. 58/312 * 5 = .929487...or .93 rounded (as shown). It's that easy...unless I missed...
3 replies | 122 view(s)
• 12-14-2017, 05:14 PM
**** see the error? Kick yourself :rolleyes:
10 replies | 321 view(s)
• 12-14-2017, 05:11 PM
Sorry, I don't understand what you're saying. Hope someone else will...
6 replies | 200 view(s)
• 12-14-2017, 02:27 PM
Geeshhh Ishuda....you've been missing for some 6 weeks... Btw, nobody missed you :rolleyes:
5 replies | 176 view(s)
• 12-14-2017, 02:23 PM
Geesshhhh...did you know that 9 mod 23 = 9? 11^a = 9 a = LOG(9) / LOG(11) Take over, Rover :cool: What is 30 mod 23?
6 replies | 200 view(s)
• 12-14-2017, 02:03 PM
WHOA!! Can you solve this system for a and b: 2a + 3b = 27 5a - b = 8
8 replies | 295 view(s)
• 12-14-2017, 01:48 PM
Only way to solve that is by brute strength, which means a looper program... Assuming that ST and WX are 2 digit numbers, and changing your...
1 replies | 116 view(s)
• 12-14-2017, 10:18 AM
Denis replied to a thread Ancient Crypt? in Math Odds & Ends
5 replies | 321 view(s)
• 12-13-2017, 02:54 PM
Can you not simply contact a local university or something?
1 replies | 109 view(s)
• 12-12-2017, 11:19 PM
I don't "follow" what you're asking... Anyway, works like this: p = present value ($1) f = future value (1.25) i = interest per period (.0188)... 6 replies | 215 view(s) • 12-12-2017, 09:09 PM Denis replied to a thread Circus Crypt? in Math Odds & Ends grandstand = show off grand = impressive stand = bear Nice one! 4 replies | 215 view(s) • 12-12-2017, 07:13 PM Can't read your attachment.... Can you post the question yourself? 6 replies | 215 view(s) • 12-12-2017, 01:38 PM Make up smaller example, like: 12@025 = 0300 12@050 = 0600 12@100 = 1200 ------------------ 36............2100 2 replies | 131 view(s) • 12-12-2017, 01:30 PM Whoops...forgot to remove the$: per 100 = per cent (cent = 100 in French) = % That's just a way of "looking" at it....
9 replies | 256 view(s)
• 12-12-2017, 10:17 AM
per $100 = percent = % 9 replies | 256 view(s) • 12-12-2017, 12:25 AM Nooooooooo....YOU show your work, we'll check it... Them's the rules :idea: 4 replies | 177 view(s) • 12-11-2017, 08:27 PM 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,...
5 replies | 203 view(s)
• 12-11-2017, 10:57 AM
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...
3 replies | 159 view(s)
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