• May 24th, 2018, 16:00
MarkFL replied to a thread Word problem on vectors in Geometry
Hello, and welcome to MHB, Gummg! (Wave) I would write the plane's velocity vector as: \vec{v}=485\left\langle...
3 replies | 78 view(s)
• May 22nd, 2018, 14:03
Here's the image you tried to hotlilnk:
4 replies | 97 view(s)
• May 22nd, 2018, 00:46
I would take Greg's advice and write: 5\sqrt{2}\pm7=(b\sqrt{2}\pm a)^3=\pm...
5 replies | 146 view(s)
• May 20th, 2018, 23:49
Where does "it" say that?
11 replies | 17728 view(s)
• May 16th, 2018, 20:53
MarkFL replied to a thread Jokes in Chat Room
175 replies | 24424 view(s)
• May 14th, 2018, 23:15
We know: \sum_{k=1}^n(k)=\frac{n(n+1)}{2} And so the given series becomes: ...
1 replies | 91 view(s)
• May 12th, 2018, 09:10
He posted a question in one of my vB product threads, which leads me to believe he may run his own site.
7 replies | 250 view(s)
• May 11th, 2018, 19:31
Do you own/admin your own site?
7 replies | 250 view(s)
• May 11th, 2018, 11:53
Hello, and welcome to MHB! (Wave)
7 replies | 250 view(s)
• May 11th, 2018, 11:34
That would require another product, as that's not what this product is intended for. :)
3 replies | 248 view(s)
• May 10th, 2018, 15:26
MarkFL replied to a thread solve for x in Pre-Algebra and Algebra
Is the equation: 2^{3x}+1=32 Or: 2^{3x+1}=32 I suspect it is the latter, but I want to be sure first. :)
5 replies | 142 view(s)
• May 9th, 2018, 03:00
Yes, I get equivalent results. (Yes)
6 replies | 283 view(s)
• May 9th, 2018, 00:32
I got the equivalent: x_2(t)=\frac{\alpha-3}{10\alpha}e^{-3t}\left(1-e^{\alpha t}\right) Now, for the optimization of this function, recall we...
6 replies | 283 view(s)
• May 8th, 2018, 21:48
MarkFL replied to a thread Hi in Introductions
Hello! Glad you found us. (Wave)
3 replies | 161 view(s)
• May 8th, 2018, 21:44
I would begin with: \d{x_1}{t}=-3x_1 where x_1(0)=\frac{1}{10} Hence: x_1(t)=\frac{e^{-3t}}{10} Then:
6 replies | 283 view(s)
• May 8th, 2018, 09:48
Yes, that is one of the behaviors of spammers. Unfortunately, this gets innocent posts like the one above moderated as well. But, as with everything...
10 replies | 623 view(s)
• May 8th, 2018, 09:26
The post was put into the moderation queue because a new user "necroposted." I have just approved the post.
10 replies | 623 view(s)
• May 6th, 2018, 11:24
All the assumptions were posted.
9 replies | 162 view(s)
• May 5th, 2018, 19:28
I would speak to the professor to see what's up with that question. :)
4 replies | 132 view(s)
• May 5th, 2018, 13:08
advanced:...
4 replies | 132 view(s)
• May 5th, 2018, 11:35
The slope of the line can be found from: ...
4 replies | 132 view(s)
• May 4th, 2018, 22:28
Well, that's a tiny graph, which isn't very easy to read. I would begin with the amplitude A(x)=a\left(e^{bx}+d\right) Let's say: ...
9 replies | 162 view(s)
• May 4th, 2018, 21:07
If $d=0$ and presumably $b<0$, then what would prevent the amplitude from tending to zero as $x\to\infty$, instead of some value greater than zero?
9 replies | 162 view(s)
• May 4th, 2018, 15:33
MarkFL replied to a thread Trig ratio challenge in Trigonometry
Why is this posted here in the Challenges forum?
6 replies | 194 view(s)
• May 3rd, 2018, 21:27
It appears to me that you need something of the form: y=a\left(e^{bx}+d\right)\cos(cx)+f
9 replies | 162 view(s)
• May 2nd, 2018, 14:13
MarkFL replied to a thread Axioms of Integration in Calculus
I've moved this thread to our "Calculus" forum as I assume we are discussing integral calculus. :)
5 replies | 179 view(s)
• May 2nd, 2018, 14:07
Here is this week's POTW: A fire helicopter carries a bucket of mass $m$ at the end of a cable. Flying back from a fire with an empty bucket at...
1 replies | 103 view(s)
• May 2nd, 2018, 14:05
Congratulations to the following members for their correct submission: kaliprasad My solution is as follows (kaliprasad used the same...
1 replies | 139 view(s)
• May 1st, 2018, 21:55
MarkFL replied to a thread Visible Stickies in vBulletin Products
Update - Version 1.1 Fixed bug regarding soft deleted/moderated sticky threads being visible to non-moderators.
2 replies | 320 view(s)
• April 28th, 2018, 15:52
Hello MHB! (Wave) Up until now, when you create a live Desmos Calculator, the only things saved are your viewport dimensions and expressions. We...
1 replies | 120 view(s)
• April 27th, 2018, 10:29
Hello and welcome to MHB! :D We ask that our users show their progress (work thus far or thoughts on how to begin) when posting questions. This...
2 replies | 126 view(s)
• April 26th, 2018, 10:41
Here is this week's POTW: A charge $-q_1$ is located at the origin of a $y$-axis and a charge $-q_2$ is located at $y=d$. At what point along...
1 replies | 139 view(s)
• April 26th, 2018, 10:40
Congratulations to the following members for their correct submission: kaliprasad My solution is as follows: For the entire system...
1 replies | 111 view(s)
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1. Hello and welcome back to MHB, mathworker!

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On Behalf Of MHB's Staff,

anemone.
2. Hello and welcome back to MHB, mathworker!

We are happy to see that you have returned, and we look forward to your continued participation here!

On Behalf Of MHB's Staff,

anemone.
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