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K
khansaheb
replied to the thread
Terrence Howard Math?
.
I agree totally it is a waste of time ............ 100%
Apr 15, 2024
S
sheetspwns
posted the thread
Shooting contest!
in
Probability / Statistics
.
Adam and Brian alternate shots. First to score wins. Adam always goes first (!). Adam is an X% shooter Brian is a Y% shooter How often...
Apr 15, 2024
M
Mathguy.13
posted the thread
i found my mistake thank you
in
Calculus
.
i found my mistake thank you
Apr 15, 2024
F
fresh_42
replied to the thread
problem solving
.
The roots of p^2-p-1 are the golden ratio and its negative solution. This brings the Fibonacci numbers into the game. And...
Apr 14, 2024
BigBeachBanana
replied to the thread
problem solving
.
My thought is to use proof by contradiction assuming \gcd(A, B ,C ,D) = k >1.
Apr 14, 2024
S
stephanson12
replied to the thread
problem solving
.
this means that n=p^3-p^2-p=p(p+1)(p-1)-p^2 = n but we need to prove this, but i don't knew how this looks a little bit like it; p|n...
Apr 14, 2024
blamocur
replied to the thread
problem solving
.
This probably merits a separate thread in a different section, but: how much time does it make sense to spend helping with...
Apr 14, 2024
The Highlander
reacted to
BigBeachBanana's post
in the thread
problem solving
with
Like
.
The first 5 non-prime peculiars are 15, 95, 287, 1199, and 4607. As an interest in this problem, here's an Excel formula that checks if...
Apr 14, 2024
The Highlander
reacted to
blamocur's post
in the thread
problem solving
with
Like
.
This is what I get too. Also, it looks like all non-prime peculiars can be represented as n=p(p^2-p-1) where p is prime. At least all...
Apr 14, 2024
The Highlander
replied to the thread
problem solving
.
As far as I can see, s/he's been given everything s/he needs to answer the question asked but appears to be reluctant to submit any...
Apr 14, 2024
The Highlander
reacted to
Dr.Peterson's post
in the thread
problem solving
with
Like
.
I'm often curious where an interesting problem comes from; the only other place I find this one (besides Math Forums) is here...
Apr 14, 2024
S
StackExchange
posted the thread
Intuitively, why doesn't always picking unpopular integers lower Probability of winning lotteries?
in
Probability / Statistics
.
What’s wrong with my reasoning in purple? Please pinpoint which sentence and step fails. I seek intuition. I DON’T want proofs, or...
Apr 14, 2024
Dr.Peterson
replied to the thread
problem solving
.
I'm often curious where an interesting problem comes from; the only other place I find this one (besides Math Forums) is here...
Apr 14, 2024
The Highlander
replied to the thread
problem solving
.
The blue part (above) is just a direct copy of Massist's post in Math Forums! 🤷♂️ You appear to be just sitting back and waiting for...
Apr 14, 2024
blamocur
replied to the thread
problem solving
.
This is what I get too. Also, it looks like all non-prime peculiars can be represented as n=p(p^2-p-1) where p is prime. At least all...
Apr 14, 2024
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