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Older Activity
Today,
12:09 AM
Denis
replied to a thread
Do United Set have to be written in order from smallest to largest number?
in
Pre-Algebra
The problem was posted over 3 months ago; the OP still has only 1 post. So you're losing your time...
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3 replies | 467 view(s)
Yesterday,
10:46 PM
Dr.Peterson
replied to a thread
Smoothing function between 2 constants with a variable
in
Calculus
In principle, there are three parameters (L, k, and x0), and three points (therefore three equations), so you could solve for the parameters; but I...
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10 replies | 127 view(s)
Yesterday,
10:44 PM
vancouverron
replied to a thread
This one has me stumped - entrance exam for junior high school in Japan
in
Geometry and Trig
pka: Elegant solution that I will need to study a bit to really get it. However, and Dr. Peterson also mentioned it, at 6th grade the students...
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16 replies | 300 view(s)
Yesterday,
09:56 PM
remarkablex
replied to a thread
Smoothing function between 2 constants with a variable
in
Calculus
So in this case L is c1. x0 = Vmid or cmid? But what about k? Formula says that k is growth rate. So will it be Vmax-Vmin? Actually I don't...
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10 replies | 127 view(s)
Yesterday,
09:50 PM
Subhotosh Khan
replied to a thread
Resultant vector by triangle method
in
Geometry and Trig
Your answer is correct. You do not need to break the original vectors into component forms - while using graphical method. The problem statement did...
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1 replies | 18 view(s)
Yesterday,
09:38 PM
onesun0000
started a thread
Resultant vector by triangle method
in
Geometry and Trig
Hi I've a question about triangle method in finding the resultant vector of two vectors. The instruction says that I should draw the resultant...
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1 replies | 18 view(s)
Yesterday,
09:17 PM
Otis
started a thread
Cryptic Instruction
in
Math Odds & Ends
Kid heard driver's needs (5)
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0 replies | 13 view(s)
Yesterday,
09:02 PM
Otis
replied to a thread
Word problem - helping 10 year old.
in
Arithmetic
Did the posted exercise come from an algebra assignment?
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9 replies | 94 view(s)
Yesterday,
08:58 PM
Otis
replied to a thread
Word problem - helping 10 year old.
in
Arithmetic
Your ratio is an average rate.
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9 replies | 94 view(s)
Yesterday,
08:36 PM
Otis
replied to a thread
Text-Rebus Name
in
Math Odds & Ends
Answer: tomatoes
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1 replies | 106 view(s)
Yesterday,
08:35 PM
Otis
replied to a thread
Rome crypt
in
Math Odds & Ends
Just like Denis, so no worries! :D
see more
2 replies | 23 view(s)
Yesterday,
07:51 PM
Romsek
replied to a thread
Rome crypt
in
Math Odds & Ends
**mmxix**
see more
2 replies | 23 view(s)
Yesterday,
07:26 PM
jtayag0622
replied to a thread
Do United Set have to be written in order from smallest to largest number?
in
Pre-Algebra
sets in general do not follow numerical order. the elements (members of a set) can be written in any order because sets can also have letters as...
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3 replies | 467 view(s)
Yesterday,
07:02 PM
Harry_the_cat
replied to a thread
Word problem - helping 10 year old.
in
Arithmetic
Correct. Again I don't think the answer in these sort of questions is as important as the process to get it. The problem can be solved very...
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9 replies | 94 view(s)
Yesterday,
06:45 PM
Harry_the_cat
started a thread
Rome crypt
in
Math Odds & Ends
One in twenty after a millimetre next year in Rome. (5) no e's (I might have pushed the rules a bit with this one. No doubt Denis will let me...
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2 replies | 23 view(s)
Yesterday,
06:27 PM
Chutney
replied to a thread
Word problem - helping 10 year old.
in
Arithmetic
190
see more
9 replies | 94 view(s)
Yesterday,
06:27 PM
Chutney
replied to a thread
Word problem - helping 10 year old.
in
Arithmetic
He finds certain maths word problems difficult. Probability, algebra. Certain questions that tap into deeper thinking.
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9 replies | 94 view(s)
Yesterday,
06:24 PM
Chutney
replied to a thread
Word problem - helping 10 year old.
in
Arithmetic
I appreciate your help. Many thanks.
see more
9 replies | 94 view(s)
Yesterday,
06:07 PM
jtayag0622
replied to a thread
If n is an integer between 1 and 96 (both included), what is the probability that n
in
Probability / Statistics
Thank you so much pka
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18 replies | 230 view(s)
Yesterday,
06:05 PM
jtayag0622
replied to a thread
If n is an integer between 1 and 96 (both included), what is the probability that n
in
Probability / Statistics
not too long and not too complicated. A normal person like me would understand. putting explanations in layman's terms. not everyone can understand...
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18 replies | 230 view(s)
Yesterday,
05:12 PM
pka
replied to a thread
If n is an integer between 1 and 96 (both included), what is the probability that n
in
Probability / Statistics
Of the integers 1 to 96 one-half are even. If n is even then n=2j ....
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18 replies | 230 view(s)
Yesterday,
05:08 PM
Denis
replied to a thread
If n is an integer between 1 and 96 (both included), what is the probability that n
in
Probability / Statistics
Define "easy to understand".
see more
18 replies | 230 view(s)
Yesterday,
04:33 PM
jtayag0622
replied to a thread
If n is an integer between 1 and 96 (both included), what is the probability that n
in
Probability / Statistics
I edited my post. my answer is actually 62.5%. for me, just don't make it complicated. if it's a simple probability, then solve it in simple...
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18 replies | 230 view(s)
Yesterday,
04:31 PM
tkhunny
replied to a thread
Investment Word Problem (Help!)
in
Beginning Algebra
I think you have it. You just substituted the 9% interest too soon and became confused. Write out the entire table before you start substituting. ...
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1 replies | 34 view(s)
Yesterday,
04:24 PM
tkhunny
replied to a thread
Smoothing function between 2 constants with a variable
in
Calculus
The idea is to solve for L and k that fit your needs.
see more
10 replies | 127 view(s)
Yesterday,
04:00 PM
Grace Cathey
started a thread
Investment Word Problem (Help!)
in
Beginning Algebra
Tom has a sum of money invested at 9% and another sum that is 1/3 of the first sum invested at 5 3/4%. The yearly income from the 9% investment...
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1 replies | 34 view(s)
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