# Activity Stream

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• Today, 03:47 PM
How many minutes are in one hour? (Hint: Sixty) How many seconds are in one minute? (Hint: Sixty) So how many seconds are in one hour? (Hint:...
2 replies | 48 view(s)
• Today, 03:39 PM
I interpret: the question that OP asked in the forum was wrong. The question posed to OP was correct.
6 replies | 179 view(s)
• Today, 01:51 PM
Good point! It didn't occur to me that the question itself was wrong.
6 replies | 179 view(s)
• Today, 01:38 PM
I guess the student just has to ask the teacher what the question means. Either something has been said in class but not heard, or the teacher is...
5 replies | 70 view(s)
• Today, 12:52 PM
you don't, the integrand is a dot product
6 replies | 179 view(s)
• Today, 11:17 AM
I am surprised that you have reached problems like this without learning that \int \begin{pmatrix}f(t) \\ g(t) \\ h(t)\end{pmatrix}dt=...
6 replies | 179 view(s)
• Today, 10:58 AM
I tried searching for "structures maths" and found nothing to suggest it is a common name for a topic or course. Clearly the question assumes the...
5 replies | 70 view(s)
• Today, 10:41 AM
THanks for your replies. There is no assigned textbook. They don't appear to be using one. The last lesson was apparently about multiplying decimal...
5 replies | 70 view(s)
• Today, 10:23 AM
Structures Math Statics? Strength of Materials? Really an engineering course?
5 replies | 70 view(s)
• Today, 10:22 AM
That's no good. Are you in the right class? I blame your teacher. It's an online course, isn't it?!
4 replies | 76 view(s)
• Today, 10:15 AM
Please look at the assigned text book and see what do they list under "structured math". As far as I know "structured math" is not a universally...
5 replies | 70 view(s)
• Today, 08:50 AM
I don't know whether I've posted this under the correct topic. This is a question brought home from school by a Year 7 pupil (11-years-old): "List...
5 replies | 70 view(s)
• Today, 08:31 AM
You have x grams of A and A is 20% protein so you have 0.2x grams of protein from A. You have y grams of B and B is 10% protein so you have 0.1y...
4 replies | 76 view(s)
• Today, 08:04 AM
If, when solving Av= \lambda v, you get only v= 0 then \lambda is NOT an eigenvalue! You have, as characteristic equation, \lambda^3+ 3\lambda^2+...
2 replies | 52 view(s)
• Today, 02:34 AM
No, the O vector can NOT be an eigen vector
2 replies | 52 view(s)
• Today, 02:12 AM
This is my question: Find Eigen Values and Vectors for the matrix Is this correct? Can I have O as my eigen vector? This means that my...
2 replies | 52 view(s)
• Today, 01:10 AM
am not really sure how to feel about this but I'm starting to like your math skills dude. why bother discuss 0/0 when it's obvious. you're absolutely...
16 replies | 268 view(s)
• Today, 12:41 AM
I know that some people on here are Physicists but this really goes to show that Physicists are different people from most. A strong arithmetic...
16 replies | 268 view(s)
• Today, 12:01 AM
That story is so depressing that, as consolation, I am going to blow my diet by having an Armagnac and chocolates.
16 replies | 268 view(s)
• Yesterday, 11:54 PM
Now that that's out of the way, pka has a point: I don't understand either; what is your question? -Dan
19 replies | 303 view(s)
• Yesterday, 11:52 PM
Does that matter? He has a question. He has a right to be helped. That's what we do here. His rudeness...That's another matter. -Dan
19 replies | 303 view(s)
• Yesterday, 11:41 PM
Jomo This was triggered by response # 7, which was not a question but a purported answer to the original questions. I do not deem questions by a...
19 replies | 303 view(s)
• Yesterday, 11:21 PM
All questions from students are relevant unless they are rude/disrespectful like this jtaya0622
19 replies | 303 view(s)
• Yesterday, 11:17 PM
pka He wasn't the OP in any case so his questions are irrelevant.
19 replies | 303 view(s)
• Yesterday, 10:46 PM
Have a look HERE/
2 replies | 46 view(s)
• Yesterday, 10:46 PM
d = (x - b) * s. a = bs. \text { ASSUME } a > 0 < b. Because a is an amount of money and b is a price, it is reasonable to assume that both...
2 replies | 43 view(s)
• Yesterday, 10:28 PM
O.K. fair enough smart-guy, what is your question then?
19 replies | 303 view(s)
• Yesterday, 10:22 PM
Sorry - new here and wasn't aware of the generally accepted practices. The objective function is 10x + 9y I actually just figured it out...
3 replies | 56 view(s)
• Yesterday, 10:03 PM
I have no idea, truly. been scratching my head over this problem for over 5 hours.
4 replies | 76 view(s)
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