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Today,
10:37 AM
Dr.Peterson
replied to a thread
Turning Point
in
Geometry and Trig
Evidently this is not for a class, so I can just point you to the answer rather than giving hints on what theorems to use. See this page, and let...
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4 replies | 68 view(s)
Today,
08:21 AM
Subhotosh Khan
replied to a thread
Vectors
in
Pre-Algebra
Forces are vectors. Those need to have three characteristic properties, when applied to a body. Those are: Magnitude Direction and point of...
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1 replies | 25 view(s)
Today,
08:16 AM
Subhotosh Khan
replied to a thread
Transversal Challenge problem
in
Geometry and Trig
Was there a figure associated with this problem where the relative positions of the angles (1 - 5) are defined? If there is such a figure, please...
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1 replies | 24 view(s)
Today,
06:58 AM
NAC54321
started a thread
Vectors
in
Pre-Algebra
Having great difficulty in the following problem: Magnitude of the 3 forces acing on a stable object A = 800kN B = 650kN C = ? What is...
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1 replies | 25 view(s)
Today,
12:37 AM
austint
replied to a thread
Proving a Quadrilateral is a Parallelogram: Challenge
in
Geometry and Trig
I have two sets of congruent sides (AB = AC and BD = CD). I drew diagonal CB and proved that triangle CAB is equiangular. Therefore, since angles BCD...
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4 replies | 106 view(s)
Yesterday,
11:50 PM
jlerig
started a thread
Transversal Challenge problem
in
Geometry and Trig
Hey, so I have the above problem and I am at a loss of how to finish solving the problem. I am supposed to identify all the values of the numbered...
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1 replies | 24 view(s)
Yesterday,
09:42 PM
tkhunny
replied to a thread
Finding
in
Calculus
If you REALLY want it AT x = 0, you probably should pick a function that exists at x = 0. On the other hand, it doesn't really need to exist, it...
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1 replies | 40 view(s)
Yesterday,
07:35 PM
EmmettC
started a thread
Finding
in
Calculus
I have an equation of a negative power function form: y = 15x^-0.5 Question 1: How can I calculate the area under the curve from x = 0 to x =...
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1 replies | 40 view(s)
Yesterday,
06:28 PM
Dr.Peterson
replied to a thread
Out sick, have to self teach
in
Geometry and Trig
While I wait for details from you so we can know what difficulties you are having, I might as well add a couple suggestions. Problem 11 at the top...
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2 replies | 63 view(s)
Yesterday,
05:24 PM
Alfredo Dawlabany
started a thread
Inner product on [tex]\mathbb{R}^n[/tex]
in
Intermediate/Advanced Algebra
I am confused about the definition of the inner product -is it : P:\mathbb{R}^n\times \mathbb{R}^n\rightarrow \mathbb{R} -or: P:\mathbb{R}^n\times...
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0 replies | 42 view(s)
Yesterday,
04:55 PM
dbergloev
replied to a thread
Turning Point
in
Geometry and Trig
Center of rotation is properly the correct phrase for it. And a table is a great example, it's actually what this is for. Have a brother who want's...
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4 replies | 68 view(s)
Yesterday,
03:16 PM
Dr.Peterson
replied to a thread
Out sick, have to self teach
in
Geometry and Trig
Have you tried as much as possible? That means you have to do the work! We can try to help, but in order to do that, we need to see what you can...
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2 replies | 63 view(s)
Yesterday,
03:07 PM
Dr.Peterson
replied to a thread
Turning Point
in
Geometry and Trig
Assuming you are looking for the center of rotation, or pivot, for the blue rectangle as it turns 90 degrees (I've seen tables designed like this),...
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4 replies | 68 view(s)
Yesterday,
02:01 PM
Brown life88
started a thread
Out sick, have to self teach
in
Geometry and Trig
Hey guys hopefully you can help, I've been home sick for about a week and my teacher gas blown off coming to my house to help me out. I'm trying my...
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2 replies | 63 view(s)
Yesterday,
11:51 AM
Subhotosh Khan
replied to a thread
Turning Point
in
Geometry and Trig
By turning point - do you mean - center of rotation? What is the topic in math class that has assigned this problem?
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4 replies | 68 view(s)
Yesterday,
11:47 AM
Subhotosh Khan
replied to a thread
difference quotient given slope, find point
in
Calculus
That is correct. What did you get?
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1 replies | 40 view(s)
Yesterday,
10:12 AM
Dr.Peterson
replied to a thread
Looking easy but hard question on geometry
in
Geometry and Trig
I think the circle was a wonderful idea; I wasn't saying there's any reason to try for another proof. But this problem is the type where people...
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11 replies | 240 view(s)
Yesterday,
06:45 AM
dbergloev
started a thread
Turning Point
in
Geometry and Trig
Hi. I am trying to figure out how to find the exact turning point on something, to make it act like the picture above.
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4 replies | 68 view(s)
Yesterday,
05:29 AM
atrcheema
started a thread
How to solve this linear homogeneous ODE?
in
Differential Equations
I want to find solution to following ODE $$ \frac{d \bar h}{dt} + \frac{K}{S_s} \alpha^2 \bar h = -\frac{K}{S_s} \alpha H h_b(t) $$ I have solved...
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0 replies | 35 view(s)
Yesterday,
12:24 AM
yma16
replied to a thread
Looking easy but hard question on geometry
in
Geometry and Trig
I'll try to do it without the circle. I thought it over and recalled that we needed the circle to solve it.
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11 replies | 240 view(s)
Yesterday,
12:19 AM
Dr.Peterson
replied to a thread
Looking easy but hard question on geometry
in
Geometry and Trig
It IS an isosceles triangle: both base angles are 80 degrees. But it's great that your group worked it out. It's a big challenge.
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11 replies | 240 view(s)
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