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Subhotosh Khan
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Subhotosh Khan
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Join Date
06-18-2007
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08:55 AM
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Yesterday,
11:00 PM
Subhotosh Khan
replied to a thread
Jomo_Denis
in
Math Odds & Ends
You are surrendering?!!!!
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5 replies | 78 view(s)
Yesterday,
06:39 PM
Subhotosh Khan
replied to a thread
Inverse of J0
in
Advanced Math
There are many websites available for Matlab users group. I believe you should post your problem there to get a faster respnse
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1 replies | 45 view(s)
Yesterday,
06:31 PM
Subhotosh Khan
replied to a thread
Calculating estimated score problem
in
Math Odds & Ends
What are your thoughts regarding the assignment? Please share your work with us ...even if you know it is wrong. If you are stuck at the...
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1 replies | 37 view(s)
Yesterday,
08:53 AM
Subhotosh Khan
replied to a thread
Vanished posts...
in
Administration Issues
Because you are Denis the Menace... Because you tortured Mr. Wilson for all those years....
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4 replies | 105 view(s)
06-18-2018,
07:11 PM
Subhotosh Khan
replied to a thread
I need help with vectors
in
Calculus
What will be the result of dot product of two mutually perpendicular vectors?
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1 replies | 41 view(s)
06-18-2018,
02:09 PM
Subhotosh Khan
replied to a thread
Very difficult question
in
Beginning Algebra
x^8 + y^8 =x^8 + y^8 + 2 * x^4 * y^4 - 2 * x^4 * y^4 continue....
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2 replies | 73 view(s)
06-18-2018,
12:24 PM
Subhotosh Khan
replied to a thread
Back-working moisture content in woodchip
in
Math Odds & Ends
Work with the wood-content of the mixture - that remains constant. The amount of wood in the 450 kg wood-chip (10% moisture) = ? Then that much...
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2 replies | 86 view(s)
06-18-2018,
07:45 AM
Subhotosh Khan
replied to a thread
Help give some hint on this word algebra question
in
Intermediate/Advanced Algebra
How did you get that equation? Please show work (i.e. intermediate steps to get to the equation).
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3 replies | 68 view(s)
06-18-2018,
07:32 AM
Subhotosh Khan
replied to a thread
Help give some hint on this word algebra question
in
Intermediate/Advanced Algebra
Find of the problem..... The ages of father and his daughter now Thus we name those as variables with a name. Let The father's age now = F ...
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3 replies | 68 view(s)
06-17-2018,
09:19 PM
Subhotosh Khan
replied to a thread
Rationalizing denominators using conjugate surds
in
Calculus
When trying to rationalize the denominator, you don't want to change the value of your given expression. When you multiply it by a fraction with the...
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2 replies | 59 view(s)
06-15-2018,
07:31 PM
Subhotosh Khan
replied to a thread
Rate distance Time Problem
in
Beginning Algebra
The FIND of the problem is " How far can he walk ". So let us assume that he walked the distance d miles He took (d/4) hours to walk. The...
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3 replies | 82 view(s)
06-15-2018,
08:49 AM
Subhotosh Khan
replied to a thread
Your help required - Tax Free Childcare
in
Finance/Business Math
After they have paid "you" £677, your out of pocket expense is = £3385 - £677 = £2708 (same as you would have paid if the top-off was acting...
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3 replies | 71 view(s)
06-13-2018,
07:35 PM
Subhotosh Khan
replied to a thread
Weird n stuff
in
Intermediate/Advanced Algebra
Is that correct?!
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4 replies | 133 view(s)
06-13-2018,
07:31 PM
Subhotosh Khan
replied to a thread
Solving A Quadratic Equation by Completing the Square
in
Beginning Algebra
.
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2 replies | 85 view(s)
06-13-2018,
03:31 AM
Subhotosh Khan
replied to a thread
Interpolation
in
News
What are your thoughts regarding the assignment? Please share your work with us ...even if you know it is wrong. If you are stuck at the...
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2 replies | 142 view(s)
06-13-2018,
02:01 AM
Subhotosh Khan
replied to a thread
Please help. I don’t understand this stuff.
in
Beginning Algebra
The posted image is too small to decipher!
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1 replies | 100 view(s)
06-13-2018,
01:58 AM
Subhotosh Khan
replied to a thread
Given a velocity vector and a point, find the angle (urgent)
in
Calculus
Have you learned to express vectors in Cartesian components (i, j, k)?
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1 replies | 127 view(s)
06-13-2018,
01:54 AM
Subhotosh Khan
replied to a thread
Composition of functions
in
Intermediate/Advanced Algebra
That solution is incorrect. It should have said: = -6 * (–9x – 11) - 5 ........ The (-6 ) is missing from the "alleged solution Please make...
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1 replies | 55 view(s)
06-12-2018,
12:33 PM
Subhotosh Khan
replied to a thread
Help with this problem please: Express X/2 - 2x + 2y/ 4y as single fraction
in
Beginning Algebra
First of all - you have written a function with 3 variables, namely, X (caps), x and y. I am assuming here you meant 'x' and 'X' are same. You need...
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2 replies | 146 view(s)
06-12-2018,
08:37 AM
Subhotosh Khan
replied to a thread
means: I have 4 means for four different categories, w/ n for each...
in
Probability / Statistics
Please post the exact problem. What are your thoughts regarding the assignment? Please share your work with us ...even if you know it is wrong....
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1 replies | 55 view(s)
06-12-2018,
08:22 AM
Subhotosh Khan
replied to a thread
Sum, Product of Roots alpha, beta of 4x^2 - x + 7 = 0
in
Intermediate/Advanced Algebra
What are the roots of: Ax^2 + Bx + C = 0
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3 replies | 89 view(s)
06-10-2018,
09:34 AM
Subhotosh Khan
replied to a thread
Continuity and limit of square root function: Does limit at 0 not exist?
in
Calculus
Why lock it? This is an interesting question and you have included your thoughts about it. Let's find out what others think?
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8 replies | 345 view(s)
06-10-2018,
09:31 AM
Subhotosh Khan
replied to a thread
Surface of paraboloid
in
Geometry and Trig
We cannot simply fold a flat sheet into spherical shape without stretching it - or cutting and welding it. Similarly, you cannot do that for...
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2 replies | 148 view(s)
06-10-2018,
09:23 AM
Subhotosh Khan
replied to a thread
Equilateral triangles (marked); M, N, P are midpoints of AD, CF, EB. Prove MNP is...
in
Geometry and Trig
What are your thoughts regarding the assignment? Please share your work with us ...even if you know it is wrong. If you are stuck at the...
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6 replies | 274 view(s)
06-09-2018,
07:12 PM
Subhotosh Khan
replied to a thread
Need Help w/ sinking-fund formula, semiannual payments w/ 5% interest, where...
in
Finance/Business Math
Which formula - which right ....
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2 replies | 190 view(s)
06-09-2018,
02:39 PM
Subhotosh Khan
replied to a thread
How likely are the following deviations to the Law of Large Numbers?
in
Probability / Statistics
What are your thoughts regarding the assignment? Please share your work with us ...even if you know it is wrong. If you are stuck at the...
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11 replies | 295 view(s)
06-09-2018,
07:25 AM
Subhotosh Khan
replied to a thread
x on both sides of proportion: (4x + 8)/6 = (7x - 3)/4
in
Beginning Algebra
This is the way I would present the total solution for a homework assignment: \dfrac{}
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20 replies | 719 view(s)
06-09-2018,
06:57 AM
Subhotosh Khan
replied to a thread
double angle identities: sin2x=2sinxcosx=2sinxcosx/cosxsec^2x•cosxsec^2x
in
Geometry and Trig
We need to see the whole problem - that is, we need to know the "destination" to justify the path taken!
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2 replies | 139 view(s)
06-09-2018,
06:53 AM
Subhotosh Khan
replied to a thread
sequence and series: 1.3.(2^2)+2.4.(3^2)+3.5.(4^2)+....=?
in
Intermediate/Advanced Algebra
What are your thoughts regarding the assignment? Please share your work with us ...even if you know it is wrong. If you are stuck at the...
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3 replies | 203 view(s)
06-08-2018,
06:19 AM
Subhotosh Khan
replied to a thread
Find the possible values of constants a and b in a quadratic function
in
Intermediate/Advanced Algebra
f”(0)=2a+18sin(3x)<=0 2a+18bsin(3x)<=0 2a <=0 ............................because we have shown that b = 0 for extrema = 0 a <=0
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18 replies | 619 view(s)
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About Subhotosh Khan
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“... mathematics is only the art of saying the same thing in different words” - B. Russell
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17,450
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Last Activity
Today
08:55 AM
Join Date
06-18-2007
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