Remember?
Forums
New Posts
FAQ
Community
View Site Leaders
Thanks / Like Statistics
Hottest Threads / Posts
Quick Links
Today's Posts
This Week's Posts
Mark Forums Read
Articles
Blogs
Donate
Register
MHB Info
MHB About Us
MHB Rules
MHB Widgets
MHB Flyers
MHB Blog
P.O.T.W.
For Fun
Arcade
Live Chat
Advanced Search
Member List
Wilmer
Register Now!
It is Free
Math Help Boards
We are an online community that gives free mathematics help any time of the day about any problem, no matter what the level. You will have to register before you can post. To start viewing messages, select the forum that you want to visit from the selection below.
Wilmer
MHB Craftsman
Find latest posts
Find latest started threads
View Articles
View Blog Entries
Report Profile
Mini Statistics
Status
Offline
Join Date
March 19th, 2012
Last Activity
Yesterday
18:47
Blog Entries
0
More
4
Friends
mathbalarka
Sudharaka
ZaidAlyafey
MarkFL
Recent Visitors
The last 10 visitor(s) to this page were:
Ackbach
,
evinda
,
greg1313
,
Hobo5
,
Jameson
,
kaliprasad
,
Pantaron Educat
,
Peter
,
Rido12
,
RTCNTC
This page has had
6,025
visits
Tab Content
Wilmer's Activity
About Me
Friends
Post Thanks / Like
Tab Content
All
Wilmer
Friends
Photos
New Activity (
)
Please reload this page to view the 200+ new activity items that have been created.
Older Activity
September 19th, 2018,
14:50
MarkFL
replied to a thread
2.1.6 anoother DE went off the rails
in
Differential Equations
Most of your more recent questions are from courses I never took, and so I would rather more qualified folks reply. :D
see more
6 replies | 179 view(s)
September 19th, 2018,
14:20
MarkFL
replied to a thread
2.1.6 anoother DE went off the rails
in
Differential Equations
I apologize for replying to this months later...I was just going through the site looking for loose ends I've left. :)
see more
6 replies | 179 view(s)
September 19th, 2018,
13:47
MarkFL
replied to a thread
2.1.6 anoother DE went off the rails
in
Differential Equations
To follow up, we may write: \frac{d}{dt}\left(t^{-2}y\right)=t^{-3}\sin(t) This does not lead to the solution given by your textbook. Going by...
see more
6 replies | 179 view(s)
September 19th, 2018,
13:27
MarkFL
replied to a thread
Domain...2
in
Pre-Calculus
To follow up, we get: (0,1)\,\cup\,(1,\infty)
see more
2 replies | 355 view(s)
September 18th, 2018,
22:36
MarkFL
replied to a thread
Show that set of points form right-angled triangle
in
Geometry
To follow up (which is what we're hoping you will do when given help), we find: m_{\overline{AB}}=\frac{3-(-4)}{2-1}=1 ...
see more
4 replies | 90 view(s)
September 18th, 2018,
17:44
Wilmer
replied to a thread
Exponential Equations
in
Pre-Algebra and Algebra
I'm trying to tell you that IF: 4^(5-9x) = 1/8^(x-2) THEN: 4^(5-9x) = 8^(2-x) If you do not understand that 1/8^(x-2) = 8^(2-x), then you are...
see more
7 replies | 113 view(s)
September 18th, 2018,
16:40
Wilmer
replied to a thread
Exponential Equations
in
Pre-Algebra and Algebra
SO (1st step): 4^(5-9x) = 8^(2-x)
see more
7 replies | 113 view(s)
September 17th, 2018,
22:38
MarkFL
replied to a thread
AI-assisted math learning for adult (long-term) beginner
in
Pre-Calculus
Unfortunately, I can't help you with your question, but I did want to welcome you back...I happy to hear you have renewed your desire to do some...
see more
1 replies | 76 view(s)
September 17th, 2018,
14:26
MarkFL
replied to a thread
Show that set of points form right-angled triangle
in
Geometry
Let's begin by plotting the 3 given points: It appears that \(\overline{AB}\) and \(\overline{AC}\) are the legs. Can you show that the...
see more
4 replies | 90 view(s)
September 17th, 2018,
13:55
Wilmer
replied to a thread
Problem Solving
in
Geometry
I had a look at your 1st post; you do not seem ready for this...
see more
4 replies | 79 view(s)
September 17th, 2018,
13:19
Wilmer
replied to a thread
Problem Solving
in
Geometry
WHY were you given the problem then? Did you miss math classes?
see more
4 replies | 79 view(s)
September 16th, 2018,
22:02
MarkFL
replied to a thread
Percent Increase
in
Pre-Algebra and Algebra
Yes, I would write: 100\frac{\Delta A}{A}\%=100\frac{1.2b\cdot1.2h-bh}{bh}\%=100(1.2^2-1)\%=44\%
see more
10 replies | 160 view(s)
September 16th, 2018,
21:54
MarkFL
replied to a thread
Bacteria Culture
in
Pre-Algebra and Algebra
Taking it from: 2^{\Large\frac{t}{2}}=500 Convert from exponential to logarithmic form: \frac{t}{2}=\log_2(500) ...
see more
10 replies | 161 view(s)
September 16th, 2018,
15:28
MarkFL
replied to a thread
Percent Increase
in
Pre-Algebra and Algebra
Please wait until you have progress to post, rather than just posting to say you will post later. Such posts needlessly bump threads. ;)
see more
10 replies | 160 view(s)
September 16th, 2018,
15:18
MarkFL
replied to a thread
Bacteria Culture
in
Pre-Algebra and Algebra
I will await your work...
see more
10 replies | 161 view(s)
September 16th, 2018,
13:58
MarkFL
replied to a thread
Time To Fill Tank
in
Pre-Algebra and Algebra
As a slightly different way to approach this problem, we can see that working together for 15 hours, the two inlet pipes can fill 8 tanks, and so it...
see more
7 replies | 117 view(s)
September 16th, 2018,
13:43
MarkFL
replied to a thread
Finding Gradient
in
Geometry
For the benefit of others who may read this thread, I will complete the problem. This will make the thread more useful (hint hint). I posted: ...
see more
5 replies | 87 view(s)
September 16th, 2018,
12:13
MarkFL
replied to a thread
Lucy and Mel
in
Pre-Algebra and Algebra
I would let \(L\) be the amount of money Lucy had initially and \(M\) be the amount of money Mel had initially. From the information given about...
see more
3 replies | 65 view(s)
September 16th, 2018,
11:53
MarkFL
replied to a thread
Common Multiple
in
Pre-Algebra and Algebra
Can you show what you've tried or your thoughts on how to begin?
see more
2 replies | 52 view(s)
September 16th, 2018,
11:47
MarkFL
replied to a thread
Finding Gradient
in
Geometry
We can see that it is a trapezoid. A formula for the area \(A\) of a trapezoid is: A=\frac{h}{2}(B+b) where: h is the height (we see is is 5...
see more
5 replies | 87 view(s)
September 16th, 2018,
11:16
MarkFL
replied to a thread
Finding Gradient
in
Geometry
What type of plane figure is the given area?
see more
5 replies | 87 view(s)
September 16th, 2018,
08:21
Wilmer
replied to a thread
Time To Fill Tank
in
Pre-Algebra and Algebra
Test tickle?
see more
7 replies | 117 view(s)
September 15th, 2018,
23:18
MarkFL
replied to a thread
Percent Increase
in
Pre-Algebra and Algebra
Based on what you initially posted, and my reply to it, can you hazard another attempt?
see more
10 replies | 160 view(s)
September 15th, 2018,
21:02
MarkFL
replied to a thread
Bacteria Culture
in
Pre-Algebra and Algebra
Set to population equal to the given amount: 1000\cdot2^{\Large\frac{t}{2}}=500000 Divide through by 1000: 2^{\Large\frac{t}{2}}=500 Can...
see more
10 replies | 161 view(s)
September 15th, 2018,
13:00
Wilmer
replied to a thread
Equivalent Rates - Valuation Mathematics
in
Business Mathematics
Rate needs to be converted to the quarterly rate that results in 10% annual; that rate is ~2.41%: 1.0241^4 = 1.10, so 10% effective. Bank...
see more
2 replies | 80 view(s)
More Activity
No More Results
No Recent Activity
About Wilmer
Basic Information
About Wilmer
Biography:
Retired, widower, grandfather...
Location:
Ottawa Ontario Canada
Interests:
Sports
Occupation:
Retired
Country Flag:
Canada
Signature
I'm a man of few words...but I use them often !
Statistics
Total Posts
Total Posts
267
Posts Per Day
0.11
Thanks Data
Thanks Given
41
Thanks Received
169
General Information
Last Activity
Yesterday
18:47
Last Visit
Yesterday at 15:57
Last Post
September 18th, 2018 at 17:44
Join Date
March 19th, 2012
4
Friends
MarkFL
Offline
Pessimist Singularitarian
mathbalarka
Offline
MHB Journeyman
Sudharaka
Offline
MHB Master
ZaidAlyafey
Offline
زيد اليافعي
Showing Friends 1 to 4 of 4
Page 1 of 2
1
2
Last
Jump to page:
September 18th, 2018
22:10 -
Wilmer
clicked Thanks for this post:
Re: Exponential Equations
by
greg1313
$$4^{5-9x}=\left(\frac18\...
19:12 -
MarkFL
clicked Thanks for this post:
Re: Exponential Equations
by
Wilmer
Almost. It's 4^(5-9x) =...
19:08 -
RidiculousName
clicked Thanks for this post:
Re: Exponential Equations
by
Wilmer
Almost. It's 4^(5-9x) =...
16:51 -
RidiculousName
clicked Thanks for this post:
Re: Exponential Equations
by
Wilmer
SO (1st step): 4^(5-9x)...
September 17th, 2018
19:02 -
Wilmer
clicked Thanks for this post:
Re: Problem Solving
by
Country Boy
Perhaps the purpose is...
13:23 -
Yazan975
clicked Thanks for this post:
Re: Problem Solving
by
Wilmer
No idea where to start....
September 16th, 2018
04:05 -
logicandtruth
clicked Thanks for this post:
Re: Equivalent Rates - Valuation Mathematics
by
Wilmer
Q2. What is the value of...
September 14th, 2018
22:53 -
Yazan975
clicked Thanks for this post:
Re: Pieter and Jing
by
Wilmer
...aNUTter look-see: ...
13:16 -
Wilmer
clicked Likes for this post:
Re: Pun Thread
by
Evgeny.Makarov
When does a joke become...
September 12th, 2018
20:25 -
RTCNTC
clicked Thanks for this post:
Re: Original Price Percent Increase
by
Wilmer
a = article The...
14:54 -
MarkFL
clicked Thanks for this post:
Re: Meal Total Amount
by
Wilmer
10% : 35 + 3.50 = 38.50;...
14:37 -
Wilmer
clicked Thanks for this post:
Re: Meal Total Amount
by
MarkFL
Essentially the same...
13:46 -
RTCNTC
clicked Thanks for this post:
Re: Meal Total Amount
by
Wilmer
10% : 35 + 3.50 = 38.50;...
09:16 -
Wilmer
clicked Thanks for this post:
Re: How many audiences at a musical
by
MarkFL
We could use variables,...
08:31 -
RTCNTC
clicked Thanks for this post:
Re: Total Profit
by
Wilmer
Three business partners,...
08:28 -
RTCNTC
clicked Thanks for this post:
Re: Find k
by
Wilmer
Or since 3^(n) is odd,...
September 11th, 2018
20:20 -
Johnx
clicked Thanks for this post:
Re: how many boys and girls in a school hall
by
Wilmer
There was an equal...
14:46 -
MarkFL
clicked Thanks for this post:
Re: how many boys and girls in a school hall
by
Wilmer
There was an equal...
September 7th, 2018
15:41 -
topsquark
clicked Likes for this post:
Re: Pun Thread
by
Wilmer
Clock repair shop ad:...
13:34 -
Evgeny.Makarov
clicked Likes for this post:
Re: Pun Thread
by
Wilmer
Clock repair shop ad:...
Page 1 of 2
1
2
Last
Jump to page: