FactChecker's latest activity
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FactChecker replied to the thread Intersection of a circle and a sine curve.Good one. A simple version would be ##x^2+(y-r)^2 = r^2##, where ##r## can be a parameter. You can easily get as many intersections as... -
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FactChecker replied to the thread Intersection of a circle and a sine curve.Over the range of allowable a, b, r, parameters there is no maximum. It might be possible to determine (or bound) the number of...
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FactChecker replied to the thread Intersection of a circle and a sine curve.Right. Is the problem statement complete and accurate?
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FactChecker replied to the thread Intersection of a circle and a sine curve.
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FactChecker replied to the thread B A Statistical Freak.Assuming independence. (Also, I don't get the same answer for the odds.) Correction on the odds. One person used a phone.
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FactChecker reacted to Dale's post in the thread Job Skills Degrees with actual guaranteed jobs after graduation? with
Like.
I am sorry to hear that you are struggling so much. A job search can be frustrating. There is no such thing. The closest thing here in... -
FactChecker replied to the thread Suggestions for HS geometry book (proofs).Wouldn't any good book satisfy that? I agree. Is there some reason that the book did it the way it did?
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FactChecker replied to the thread Suggestions for HS geometry book (proofs).I have always been a big fan of the Schaum's Outline series. They have many worked problems and examples. You might take a look at this.
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FactChecker replied to the thread I How are the following three definitions subtly different?.Because two of them are proving a theorem and one of them is just defining the "diagonal subsequence property" without proving anything...
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FactChecker replied to the thread I How to find the path if we only know the velocity (without common formulas)?.You are making up the problem and saying that we are not allowed to use any facts. That makes it difficult.
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FactChecker replied to the thread I How are the following three definitions subtly different?.Because they are trying to prove something slightly different.
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FactChecker replied to the thread I How are the following three definitions subtly different?.For the first two, by "definition" or "description" do you mean the requirements for applying the theorems 1 and 2? The third one is a...
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FactChecker replied to the thread Limit of piecewise function using epsilon delta.Sorry, my mistake. I didn't realize that this example is different from the one in post #1. In this example, one function equation works...
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FactChecker replied to the thread Limit of piecewise function using epsilon delta.I can't say with authority whether part 2 is required. I am not a "proof policeman". If part 1 had stated things differently, like...
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Off topic, but this reminded me of an old joke. When the radio started to be popular, two old men talking. One says "Do you think it...
