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Harry_the_cat
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Harry_the_cat
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03-16-2016
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05:56 AM
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Yesterday,
05:43 AM
Harry_the_cat
replied to a thread
Tiling a (n x 1) Checkerboard
in
Advanced Math
Are the first 4 rows here what you mean? (Black is a domino, grey is a single tile - domino "covers" the split, a single tile doesn't.) So the...
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6 replies | 104 view(s)
12-16-2018,
11:06 PM
Harry_the_cat
replied to a thread
Christmas Crypt
in
Math Odds & Ends
yes!
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11 replies | 107 view(s)
12-16-2018,
07:05 PM
Harry_the_cat
replied to a thread
Christmas Crypt
in
Math Odds & Ends
Thanks. Wasn't sure about using "this". What are the rules with using "fillers"?
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11 replies | 107 view(s)
12-16-2018,
06:59 PM
Harry_the_cat
replied to a thread
Christmas Crypt
in
Math Odds & Ends
2 e's
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11 replies | 107 view(s)
12-16-2018,
06:47 PM
Harry_the_cat
started a thread
Christmas Crypt
in
Math Odds & Ends
Sounds like you will ebb and flow this Christmas time. (8)
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11 replies | 107 view(s)
12-16-2018,
06:40 PM
Harry_the_cat
replied to a thread
Easy crypt
in
Math Odds & Ends
**veto**
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2 replies | 42 view(s)
12-15-2018,
10:14 PM
Harry_the_cat
replied to a thread
Need help with 4th edge of perimeter
in
Geometry and Trig
You would also need to give some of the angles to calculate the third side.
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4 replies | 146 view(s)
12-15-2018,
10:11 PM
Harry_the_cat
replied to a thread
Maths word problem: "Simon went on a road trip for 4 days...."
in
Arithmetic
I don't think this is meant to be done algebraically (for a 10 year old). I think it's just a good exercise in playing around with numbers. For...
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8 replies | 235 view(s)
12-15-2018,
08:19 PM
Harry_the_cat
replied to a thread
Structures: "List the topics covered in structures maths lessons..."
in
Geometry and Trig
Was this question copied and handwritten by the student? I'm thinking the word "structures" may have been copied incorrectly?? Have a look at...
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7 replies | 245 view(s)
12-14-2018,
07:17 PM
Harry_the_cat
replied to a thread
Cryptic Expense
in
Math Odds & Ends
Hungry oak!!
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11 replies | 465 view(s)
12-14-2018,
07:14 PM
Harry_the_cat
replied to a thread
Wow Text Rebus
in
Math Odds & Ends
**ASTOUND : S to U in and**
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3 replies | 115 view(s)
12-14-2018,
07:12 PM
Harry_the_cat
replied to a thread
Hangman Text-Rebus
in
Math Odds & Ends
Ok that helped ** dangles **. Had to google about CBS - didn't make the news here in Oz.
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6 replies | 329 view(s)
12-14-2018,
05:03 PM
Harry_the_cat
replied to a thread
Cryptic Expense
in
Math Odds & Ends
Ok got it. I was stuck thinking "impoverished" Lola meant take the middle out to leave La, but impoverished is used here as an anagram indicator. ...
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11 replies | 465 view(s)
12-14-2018,
02:38 AM
Harry_the_cat
replied to a thread
Hangman Text-Rebus
in
Math Odds & Ends
How many letters?
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6 replies | 329 view(s)
12-14-2018,
02:35 AM
Harry_the_cat
replied to a thread
Cryptic Expense
in
Math Odds & Ends
Does it start with LA ?
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11 replies | 465 view(s)
12-13-2018,
11:47 PM
Harry_the_cat
replied to a thread
Cryptic Expense
in
Math Odds & Ends
oh …. thanks!
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11 replies | 465 view(s)
12-13-2018,
11:46 PM
Harry_the_cat
replied to a thread
Hangman Text-Rebus
in
Math Odds & Ends
Great hint!! :confused:
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6 replies | 329 view(s)
12-13-2018,
07:21 PM
Harry_the_cat
replied to a thread
What are the meanings of "≥ 25" and "< 8" ?
in
Arithmetic
In Australia, it's a crocodile!
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6 replies | 199 view(s)
12-13-2018,
05:24 PM
Harry_the_cat
replied to a thread
What are the meanings of "≥ 25" and "< 8" ?
in
Arithmetic
Remember it this way: < looks a bit like the letter L for "less than". > doesn't.
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6 replies | 199 view(s)
12-13-2018,
05:18 PM
Harry_the_cat
replied to a thread
Heavy crypt
in
Math Odds & Ends
** witches lead warden = w annoys = itches **
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2 replies | 93 view(s)
12-13-2018,
05:16 PM
Harry_the_cat
replied to a thread
Mad crypt
in
Math Odds & Ends
A bit more. So the 1 has two uses - the second I in LIVID and indicator for first letter D ? Can you do that? (I'm not criticising btw, just...
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6 replies | 243 view(s)
12-12-2018,
09:37 PM
Harry_the_cat
replied to a thread
Cryptic Expense
in
Math Odds & Ends
Going to give us a hint?
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11 replies | 465 view(s)
12-12-2018,
09:23 PM
Harry_the_cat
replied to a thread
how to simplify this radical fraction: 4th-root[ 225 / 81 ]
in
Intermediate/Advanced Algebra
Taking the fourth root is the same as raising the radicand to the power 1/4. So, \sqrt{15^2} =(15^2)^{\frac{1}{4}}=15^{\frac{1}{2}} =\sqrt{15} ...
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19 replies | 477 view(s)
12-12-2018,
09:20 PM
Harry_the_cat
replied to a thread
Mad crypt
in
Math Odds & Ends
LIVID ? direct=angry LIV =54 I = 1 D for Dalmatians ?? Don't like it!
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6 replies | 243 view(s)
12-10-2018,
07:28 PM
Harry_the_cat
replied to a thread
binomial theorem / expansion
in
Calculus
Cross multiplying, that is if \frac{a}{b} = \frac {c}{d} then a*d = b*c and the n! cancels
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7 replies | 266 view(s)
12-10-2018,
07:14 PM
Harry_the_cat
replied to a thread
Cryptic Substitution?
in
Math Odds & Ends
**always backwards = ever backwards =REVE left between that is (ie) backwards = put L between EI ... ELI REVE framing ELI = RELIEVE right = R …...
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2 replies | 260 view(s)
12-09-2018,
11:11 PM
Harry_the_cat
replied to a thread
Chefs Learning Trigonometry
in
Math Odds & Ends
What if you want to make a pi?
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20 replies | 430 view(s)
12-09-2018,
05:39 PM
Harry_the_cat
replied to a thread
Solving this quadratic equation on coordinate plane
in
Intermediate/Advanced Algebra
… or the conversation between 4 fathers-in-law trying to work a washing machine (just keeping it even!)
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25 replies | 880 view(s)
12-09-2018,
05:22 PM
Harry_the_cat
replied to a thread
Help with understanding dividing fractions
in
Arithmetic
I do see a connection between the usual method and your son's discovery. \frac{12}{24}\div\frac{2}{4} = \frac{12}{24} * \frac{4}{2} When you do...
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12 replies | 475 view(s)
12-08-2018,
10:14 PM
Harry_the_cat
replied to a thread
Solving this quadratic equation on coordinate plane
in
Intermediate/Advanced Algebra
see comment
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25 replies | 880 view(s)
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