DaveC426913's latest activity
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DaveC426913 replied to the thread Collection of Lame Jokes.Yacht. :wink: -
My learning is a bit rusty. I can intuit the answer but I can't formalize it. What does the scale read? I say the scale reads 10kg...
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Your first instinct is correct.
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DaveC426913 replied to the thread B More similar triangle problems.Right. I must have misintuited the problem. At first, I was thinking the ratio of sides of the rectangle were undefined - that the...
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DaveC426913 reacted to fresh_42's post in the thread B More similar triangle problems with
Informative.
Here is the long version: The area of the rectangle is ##(2+a)\cdot(4+b) =8+4a+2b+ab,## so half of it is the area of the triangle... -
DaveC426913 replied to the thread B More similar triangle problems.It was simply the arrival at this line: I can see it now, but I never would have thought of it in my own.
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DaveC426913 replied to the thread B More similar triangle problems.Sorry. I left it off. The question is what is the area of the shaded region? Which is why the problem is solvable. There is not enough...
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DaveC426913 reacted to Mark44's post in the thread B More similar triangle problems with Informative.
Similar triangles have corresponding sides that are in the same proportion. Therefore, a : 4 :: 2 : b, or equivalently, ##\frac a 4 =...
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DaveC426913 reacted to gmax137's post in the thread Biology Prove that evolution is constant (Provide at least two arguments to support your position) with
Love.
I used to read Goulds monthly column in Smithsonian (?) magazine. Those are lovely illustrations @DaveC426913 -
DaveC426913 replied to the thread Today I Learned.You can't accept that perhaps other people do know? I'm simply poking the idea you seem to have that any large purchase of an item with...
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For the sake of argument, lets assume this is, in fact, a right triangle with a rectangle inscribed in it. Here is what looks like a...
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DaveC426913 replied to the thread Today I Learned.I still don't get it. It's like you're not even reading my words. The rock doesn't go into a sealed vault where it rots unseen. It has...
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DaveC426913 replied to the thread Today I Learned.OK, that doesn't really tell me much about what I was asking. You don't seem to acknowledge the value of something based on how much...
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DaveC426913 replied to the thread Biology Prove that evolution is constant (Provide at least two arguments to support your position).Indeed. That very thought has been skulking around the edge of my consciousness, peeking in windows and rattling doorknobs, since I...
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DaveC426913 reacted to gmax137's post in the thread Biology Prove that evolution is constant (Provide at least two arguments to support your position) with
Like.
I always thought Gould's term is "punctuated equilibrium"
