• Today, 22:17
Copying/pasting from other places can lead to formatting codes and other stuff being put into your posts, as we saw the other day when you posted raw...
8 replies | 63 view(s)
• Today, 15:27
MarkFL replied to a thread Rational Roots Theorem in Pre-Calculus
It's possible the app may want the roots in this form: 2 2 1/2 -1 + sqrt(1.5) -1 - sqrt(1.5) Or it may want decimal approximations for the...
8 replies | 69 view(s)
• Today, 15:14
MarkFL replied to a thread Rational Roots Theorem in Pre-Calculus
That's fine, we don't expect our users to be $\LaTeX$ experts right away. :) Sorry, somehow I missed that our quadratic differed only by a...
8 replies | 69 view(s)
• Today, 14:48
MarkFL replied to a thread Rational Roots Theorem in Pre-Calculus
Okay, what I have after doing the divisions indicated in my post above is: ...
8 replies | 69 view(s)
• Today, 14:10
I'd be inclined to format it as follows: A firm with sales of \$1,000,000, net profits after taxes of \$30,000, total assets of \$1,000,000 and... 8 replies | 63 view(s) • Today, 11:54 MarkFL replied to a thread Return equity in Business Mathematics No, I mean these things: ￼ 8 replies | 63 view(s) • Today, 11:04 Hello, MHB Community! (Wave) anemone has asked me to fill in for her this week. :) Here is this week's POTW: Find all real numbers$k$... 0 replies | 25 view(s) • Today, 11:01 Hello, MHB Community! (Wave) anemone has asked me to fill in for her this week. :) No one answered this week's problem, and the solution... 1 replies | 89 view(s) • Today, 01:07 MarkFL replied to a thread Return equity in Business Mathematics What's that "stuff" in front of the percentages? (Drunk) 8 replies | 63 view(s) • Yesterday, 21:27 Update - Version 1.8: BBCode tags stripped from block element thread previews. Added setting to allow for designated BBCodes having their... 9 replies | 107 view(s) • Yesterday, 19:55 Okay, now I see it is an issue with the content of certain BBCodes not being hidden in the thread preview. That will be easy enough to fix, and I... 9 replies | 107 view(s) • Yesterday, 18:49 The hide mod probably has hooks at standard places to run and Mark's new space isn't one of the default vBulletin spaces. I'm sure he can debug with... 9 replies | 107 view(s) • Yesterday, 17:40 With PEDMAS (or any of it's twins) you always start with what's inside the brackets. In this case \frac{1}{2} - \frac{3}{10} Get a common... 1 replies | 28 view(s) • Yesterday, 16:10 MarkFL replied to a thread Rational Roots Theorem in Pre-Calculus Hello and welcome to MHB, Elissa! (Wave) You say 2 and 1/2 are zeroes of the given polynomial...so let's use synthetic division to see what we... 8 replies | 69 view(s) • Yesterday, 15:43 Which product are you using for hide and thanks (a link to where you downloaded the product)? Can you provide screenshots of the issue? 9 replies | 107 view(s) • Yesterday, 14:16 MarkFL replied to a thread [SOLVED] Integral of sqrt{x^2+1} in Calculus Let's begin with: I=\int\sqrt{u^2+a^2}\,du Now, consider the hyperbolic trig. identity: \cosh^2(x)=\sinh^2(x)+1 Hence, for some positive... 2 replies | 56 view(s) • Yesterday, 12:35 Here is this week's POTW: ----- For any positive integer$n$, let$\langle n\rangle$denote the closest integer to$\sqrt{n}$. Evaluate \ ... 0 replies | 36 view(s) • Yesterday, 11:38 Let$a$and$b$be positive integers such that$a>b$. Prove that$(a-b)^{a-b}a^{a(b-1)}\ge (a-1)^{b(a-1)}$. 0 replies | 36 view(s) • Yesterday, 01:28 Overview: This product is designed to allow your users to see their own moderated threads/posts prior to approval. Many users ignore the fleeting... 0 replies | 24 view(s) • October 18th, 2017, 16:33 Yes, and I take back my statement that this problem is poorly worded. Using the simple interest formula: ... 11 replies | 109 view(s) • October 18th, 2017, 15:09 It's correct! (Yes) 1 replies | 63 view(s) • October 18th, 2017, 14:30 No one answered this week's problem. You can read my solution below. Suppose$\{U,V\}$is a separation of$X$. The natural projection map$p: X...
1 replies | 104 view(s)
• October 18th, 2017, 12:06
topsquark replied to a thread Difficult derivative in Calculus
Yes, of course you are right. I've spent a large amount of time with the more advanced stuff that I had temporarily lost sight of the need to use...
11 replies | 233 view(s)
• October 18th, 2017, 11:38
Just a minor quibble...you want: 2=2\sin(3(0)+C)\implies C=\arcsin(1) Hence: y(x)=2\sin\left(3x+\arcsin(1)\right)
2 replies | 61 view(s)
• October 17th, 2017, 22:27
I'd like to get to the bottom of the errors you got on installation first. I just uninstalled it and installed it again on my local dev site, and...
7 replies | 95 view(s)
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