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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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10:16 AM
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Yesterday,
12:56 PM
Subhotosh Khan
replied to a thread
Equation needed to calculate the trajectory needed to intercept another object.
in
Geometry and Trig
What are your thoughts? Please share your work with us ...even if you know it is wrong.
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1 replies | 45 view(s)
Yesterday,
12:49 PM
Subhotosh Khan
replied to a thread
Solving Equation W/ Fractions and Decimals: (100p-4000/100p)=.3
in
Beginning Algebra
You should have written it as: (100*p - 4000)/(100*p) = 0.3 There are multiple ways to proceed from here. My preferred next step would be - to...
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5 replies | 118 view(s)
12-15-2017,
01:43 PM
Subhotosh Khan
replied to a thread
Solving Equation W/ Fractions and Decimals: (100p-4000/100p)=.3
in
Beginning Algebra
Does the equation look like: \displaystyle{\dfrac{100p-4000}{100p}} Or: \displaystyle{\dfrac{100p-4000}{100}p} or:
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5 replies | 118 view(s)
12-14-2017,
11:44 AM
Subhotosh Khan
replied to a thread
Integration of Logarithmic Functions: int [ e^x (e^x + 1)^2 ] dx
in
Calculus
You should designate two different constants (e.g. C1 and C2) for two different methods of attack. As long as those two integrated functions have...
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4 replies | 187 view(s)
12-14-2017,
09:19 AM
Subhotosh Khan
replied to a thread
If a person weighs 15 stone 3 pounds and there body fat percentage is 33%....
in
Arithmetic
First convert everything to pounds. 1 stone = ? pounds 15 stone 3 pounds = ? pounds How pounds of fat for that weight = ? and continue...
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7 replies | 206 view(s)
12-13-2017,
04:29 PM
Subhotosh Khan
replied to a thread
Separable Differential Equation: (t^2 + 16)dx/dt = (x^2 + 36)
in
Differential Equations
Think about the definition of arctan(x) = Θ
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1 replies | 101 view(s)
12-13-2017,
12:18 PM
Subhotosh Khan
replied to a thread
Finding x,y and λ values from partial derivatives
in
Calculus
0 = Lx = 2(x-1)-2λ(x-1/2) = 0 = Ly = 2(y-1)-2λ(y-1/2) 2(x-1)-2λ(x-1/2) = 2(y-1)-2λ(y-1/2) Now use pencil and paper (and eraser too) and...
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3 replies | 75 view(s)
12-12-2017,
08:34 AM
Subhotosh Khan
replied to a thread
Divide Sum of Funds into three equal groups of people with three different amounts
in
Beginning Algebra
As posted, the problem has no feasible answer.
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2 replies | 117 view(s)
12-11-2017,
08:42 PM
Subhotosh Khan
replied to a thread
Solve sec 2x = 2 between -Pi < x < Pi (can't find all the soln values)
in
Geometry and Trig
.
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5 replies | 201 view(s)
12-11-2017,
08:31 PM
Subhotosh Khan
replied to a thread
The Brown Family Children: Charlie is the oldest child in the Brown family....
in
Beginning Algebra
First of all we need to assume there are only three children in the family. Let us also assume: Charlie Brown's age = C Sally's age = S ...
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4 replies | 155 view(s)
12-10-2017,
02:09 PM
Subhotosh Khan
replied to a thread
How do you solve x=1+ω^x+ω^2x
in
Intermediate/Advanced Algebra
x = 1 + w^x + w^(2x) x(1-w^x) = (1- w^x)...... assuming w^x \ne1 x(1-w^x) = ...... given w^3 = -1 x(1-w^x) = we know:
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11 replies | 377 view(s)
12-10-2017,
10:05 AM
Subhotosh Khan
replied to a thread
How do you solve x=1+ω^x+ω^2x
in
Intermediate/Advanced Algebra
Solve for what - x or ω?
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11 replies | 377 view(s)
12-10-2017,
10:03 AM
Subhotosh Khan
replied to a thread
statistics review questions (13 questions; need the answers)
in
Probability / Statistics
What are your thoughts? Please share your work with us ...even if you know it is wrong. If you are stuck at the beginning tell us and we'll...
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4 replies | 155 view(s)
12-10-2017,
10:01 AM
Subhotosh Khan
replied to a thread
statistics review questions (13 questions; need the answers)
in
Probability / Statistics
What are your thoughts? Please share your work with us ...even if you know it is wrong. If you are stuck at the beginning tell us and we'll...
see more
4 replies | 155 view(s)
12-10-2017,
10:00 AM
Subhotosh Khan
replied to a thread
statistics review questions (13 questions; need the answers)
in
Probability / Statistics
5. In order to investigate the status of the patients with hypertension. The results show that there are 50 patients and 50 healthy people in 100...
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4 replies | 155 view(s)
12-10-2017,
09:58 AM
Subhotosh Khan
replied to a thread
statistics review questions (13 questions; need the answers)
in
Probability / Statistics
What are your thoughts? Please share your work with us ...even if you know it is wrong. If you are stuck at the beginning tell us and we'll start...
see more
4 replies | 155 view(s)
12-09-2017,
09:03 PM
Subhotosh Khan
replied to a thread
Mind blown - probably missing algebra concept - cannot simplify derivative
in
Calculus
Much easier to apply quotient rule. \frac{d}{dx} \left = \ \dfrac{g'(x)*h(x) - g(x)*h'(x)}{^2} g(x) = x^2 → g'(x) = 2x & h(x) = (x^2 -...
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2 replies | 125 view(s)
12-09-2017,
06:39 PM
Subhotosh Khan
replied to a thread
Day Trading Account Balance Projection Formula
in
Finance/Business Math
What % of your income you would share with us when we supply you this equation?
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4 replies | 176 view(s)
12-09-2017,
05:53 PM
Subhotosh Khan
replied to a thread
Derivatives help for economics (PED using calculus = dQ/dP x P/Q)
in
Calculus
What is PED?
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8 replies | 269 view(s)
12-09-2017,
05:51 PM
Subhotosh Khan
replied to a thread
Expected Difference and Other Stuff (ACT scores for 1,171,460 members of class)
in
Probability / Statistics
What are your thoughts? Please share your work with us ...even if you know it is wrong. If you are stuck at the beginning tell us and we'll...
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4 replies | 223 view(s)
12-09-2017,
05:27 PM
Subhotosh Khan
replied to a thread
Need help with puzzle involving boolean
in
Math Odds & Ends
Please copy and paste the problem from the given site - along with your thoughts/work. Most of us are not willing to go into another site in...
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2 replies | 146 view(s)
12-09-2017,
05:25 PM
Subhotosh Khan
replied to a thread
Alternative form of derived function
in
Calculus
I cannot quite understand the problem. Please post the EXACT problem along with your work/thoughts about the problem
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3 replies | 155 view(s)
12-09-2017,
01:11 PM
Subhotosh Khan
replied to a thread
GCSE Mocks Maths Help-Last question
in
Geometry and Trig
No relationship between AF & AP and CD & CQ are given?! Additionally - what is "x"?
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5 replies | 184 view(s)
12-09-2017,
10:22 AM
Subhotosh Khan
replied to a thread
Dsolve Perturbation n'(1-epsilon(u')^2)=-y with mathematica
in
Advanced Math
Most of us do not have access to Mathematica.
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1 replies | 114 view(s)
12-09-2017,
10:20 AM
Subhotosh Khan
replied to a thread
Need help with reversal of a calculation involving gravitational constant.
in
Calculus
Start with - squaring both sides: ^2 \ = \ \dfrac{2GM}{r} and continue...
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1 replies | 83 view(s)
12-08-2017,
09:30 PM
Subhotosh Khan
replied to a thread
Quadratic Equation: Solve 2a^2+4a+5=0 by completing the square
in
Intermediate/Advanced Algebra
What are your thoughts? Please share your work with us ...even if you know it is wrong. If you are stuck at the beginning tell us and we'll...
see more
4 replies | 182 view(s)
12-08-2017,
06:12 PM
Subhotosh Khan
replied to a thread
how to get 14846325 using these numbers 167, 167, 88111111, 10, 0813
in
Arithmetic
What are your thoughts? Please share your work with us ...even if you know it is wrong. If you are stuck at the beginning tell us and we'll...
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2 replies | 151 view(s)
12-06-2017,
11:51 AM
Subhotosh Khan
replied to a thread
Calculating the result of a 5% growth rate over ten years
in
Finance/Business Math
Have you considered compounded growth? Suppose the growth rate is 10% and you start with $1000. At the end of the first year you would have...
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6 replies | 255 view(s)
12-05-2017,
08:23 AM
Subhotosh Khan
replied to a thread
How to find x and y for this? x^2 + (1-y)^2 + (x-y)^2 = 1/3
in
Intermediate/Advanced Algebra
I know... but I did not misread it. While trying to plot it - I discovered the solution suggested by Peterson. I was hoping OP will discover...
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8 replies | 297 view(s)
12-03-2017,
06:43 PM
Subhotosh Khan
replied to a thread
exact diffrential equation: solve p(x,y) dx +(4y^3 - 6x^3 y) dy=0
in
Differential Equations
What are the characteristics of an exact ODE?
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1 replies | 176 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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10:16 AM
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