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Quick
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01-19-2018
Last Activity
02-06-2018
03:01 AM
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02-02-2018,
08:01 PM
Quick
replied to a poll
Poll-3 Waiting period for non-students
in
News
I would like to know why students would presumably be getting a priority here.
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4 replies | 309 view(s)
01-30-2018,
07:34 PM
Quick
replied to a thread
Complex numbers: Prove that if ABS( (z1 - i*z2)/(z1 + i*z2) ) = 1, then...
in
Intermediate/Advanced Algebra
This is what I was thinking in regards to the z1/z2 cancelling out: We have | ( z1 ÷ z2 - i ) ÷ (z1 ÷ z2 + i ) | =1 From here I thought what I...
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4 replies | 260 view(s)
01-30-2018,
02:48 AM
Quick
replied to a thread
Thought experiment, don't know where else to put this.
in
Math Odds & Ends
Let's assume something either happens or doesn't happen. We'll represent something happening as a 1 and nothing happening as a 0. Now consider...
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48 replies | 2586 view(s)
01-30-2018,
01:12 AM
Quick
replied to a thread
Rules for Reduced Row Echelon Form? (video left me confused)
in
Intermediate/Advanced Algebra
In the first video when he gets to 12:43 I have no idea what he is talking about.
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3 replies | 162 view(s)
01-30-2018,
01:02 AM
Quick
replied to a thread
Rules for Reduced Row Echelon Form? (video left me confused)
in
Intermediate/Advanced Algebra
At 7:33 he starts talking about making the number above the 1 a 0. IDK why he does that. (this was answered when I looked up Gaussian elimination...
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3 replies | 162 view(s)
01-29-2018,
11:22 PM
Quick
started a thread
Complex numbers: Prove that if ABS( (z1 - i*z2)/(z1 + i*z2) ) = 1, then...
in
Intermediate/Advanced Algebra
The full questions is: How do you factor with dividing these (binomials)? The equation I am working on is: |(z1-iz2)/(z1+iz2)|=1
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4 replies | 260 view(s)
01-29-2018,
08:41 PM
Quick
started a thread
Rules for Reduced Row Echelon Form? (video left me confused)
in
Intermediate/Advanced Algebra
OK, so I bring this up because I find working with matrices could potentially be very useful. Watched a couple videos on how to put things in...
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3 replies | 162 view(s)
01-29-2018,
06:09 PM
Quick
replied to a thread
Fill in the [?] in the following: 82 microliters = 8.2 * 10^{[?]} liters
in
Intermediate/Advanced Algebra
It might help to write out 81 microliters without the scientific notation. What I mean is to write it with the decimal point and the 0's before you...
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5 replies | 248 view(s)
01-27-2018,
06:46 PM
Quick
replied to a thread
Thought experiment, don't know where else to put this.
in
Math Odds & Ends
I thought I replied to this yesterday... I must not have actually posted it. I am still using the circle diagram, but it has changed slightly....
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48 replies | 2586 view(s)
01-26-2018,
06:29 PM
Quick
replied to a thread
Ratios Of Lines Within Quadrilateral (Proof): Show AX:XC is same as AB:BC
in
Geometry and Trig
I understand the basic shape of the the first shape.. its a parallelogram. with a parallelogram, you know if you were to connect both opposite points...
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11 replies | 577 view(s)
01-26-2018,
12:47 PM
Quick
replied to a thread
Greatest Common factor from polynomial: 10x^2 + 25x + 15
in
Beginning Algebra
Ah, I see my mistakes. Thanks for the help.
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4 replies | 290 view(s)
01-26-2018,
05:09 AM
Quick
started a thread
Greatest Common factor from polynomial: 10x^2 + 25x + 15
in
Beginning Algebra
I have no idea what I am getting wrong here... here is the problem: 3) Factor out the greatest common factor in the following polynomial. ...
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4 replies | 290 view(s)
01-25-2018,
10:50 PM
Quick
replied to a thread
I forgot how to reverse foil (such as X^2 + 2X + 2)
in
Beginning Algebra
I see. how do you get the 4 in there? As I understand it if you have anything that could equal a perfect square from the formula above then it...
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19 replies | 973 view(s)
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02-06-2018
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