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Subhotosh Khan
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Subhotosh Khan
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Join Date
06-18-2007
Last Activity
Today
07:55 AM
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Yesterday,
12:43 PM
Subhotosh Khan
replied to a thread
Least amount of operations to convert an 18th of a second into a 30th.
in
Arithmetic
1/18 = 5/3 * 1/30
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9 replies | 237 view(s)
Yesterday,
12:38 PM
Subhotosh Khan
replied to a thread
Fractions
in
Arithmetic
1/9 - 5/36 = ?? 5/36 - 1/9 = ??
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5 replies | 103 view(s)
Yesterday,
07:37 AM
Subhotosh Khan
replied to a thread
Angular Sizing with Reference Objects in Image
in
Geometry and Trig
What Math or Physics class asked you to solve this problem? What was the topic?
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9 replies | 159 view(s)
11-17-2017,
11:19 PM
Subhotosh Khan
replied to a thread
How to solve a math problems if the answer is already solved?
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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4 replies | 123 view(s)
11-17-2017,
11:17 PM
Subhotosh Khan
replied to a thread
Simple Equity Division
in
Finance/Business Math
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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12 replies | 210 view(s)
11-16-2017,
02:22 PM
Subhotosh Khan
replied to a thread
Volume of falling sphere below horizontal line as sphere falls past line
in
Calculus
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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6 replies | 117 view(s)
11-16-2017,
12:11 PM
Subhotosh Khan
replied to a thread
Find the constants a and b of the function V=aP^b, given table of values
in
Intermediate/Advanced Algebra
Take "log" of the equation and plot the tabulated values.
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6 replies | 152 view(s)
11-15-2017,
03:25 PM
Subhotosh Khan
replied to a thread
Given f(x) = (6x)/(x^2 - 9), find intercepts, asymptotes, limits, intervals of...
in
Calculus
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 | 87 view(s)
11-13-2017,
08:00 PM
Subhotosh Khan
replied to a thread
PROBABILITY- extension of the birthday problem
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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1 replies | 73 view(s)
11-13-2017,
08:00 PM
Subhotosh Khan
replied to a thread
Writing Formula for Sigma Notation Sum [k=1 to n] (3- k) for given n-values
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...
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3 replies | 152 view(s)
11-13-2017,
07:59 PM
Subhotosh Khan
replied to a thread
Hypothesis testing finding P value: 127 workers were asked how many hrs they'd worked
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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1 replies | 73 view(s)
11-13-2017,
07:58 PM
Subhotosh Khan
replied to a thread
plz help w/ "When you flip a biased coin the probability of getting a tail is 0.47."
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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3 replies | 100 view(s)
11-13-2017,
07:57 PM
Subhotosh Khan
replied to a thread
Question about exponents: why are -2^4, (-2)^4 diff, but -2^3, (-2)^3 are same?
in
Beginning 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...
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6 replies | 222 view(s)
11-12-2017,
04:17 PM
Subhotosh Khan
replied to a thread
Relating Volume to Height||Trough Equation
in
Calculus
Did you draw a sketch of the trough? If yes - please share the sketch with proper designations.
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4 replies | 112 view(s)
11-12-2017,
11:19 AM
Subhotosh Khan
replied to a thread
Decimal answers into Radical/fractions
in
Calculator Questions
This question should be raised in the TI forum (https://www.ifixit.com/Answers/Device/Texas%20Instruments%20TI-30X%20IIS). By the way, I do not know...
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2 replies | 51 view(s)
11-12-2017,
09:40 AM
Subhotosh Khan
replied to a thread
Find possible values of x so (5^x-2^x+3)^3 = (5^x-5)^3 - (2^x-8)^3
in
Intermediate/Advanced Algebra
Hint: (a - b)^3 = a^3 - b^3 - 3ba^2 + 3ab^2 ......... sign error fixed and 3 = -5 - (-8) What are your thoughts? Please share your work...
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2 replies | 156 view(s)
11-12-2017,
09:35 AM
Subhotosh Khan
replied to a thread
Find an antiderivative of the function g(x) = 1/(1 + e^2x )
in
Calculus
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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1 replies | 72 view(s)
11-12-2017,
09:32 AM
Subhotosh Khan
replied to a thread
Which Trigonometric Identity in being used to simplify this integral?
in
Calculus
Expand the first "squared" expression - what do you get?
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1 replies | 73 view(s)
11-12-2017,
09:21 AM
Subhotosh Khan
replied to a thread
Trig Question Dealing with Sum, Difference, Double Angle, and Half Angle Formulas
in
Geometry and Trig
1. Sin(x+y) = sin(x)*cos(y) + cos(x)*sin(y) = 1/3 *√5 * 1/3 * √8 + 2/3 * 1/3 = 1/9 *(2 + √40) continue....
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2 replies | 105 view(s)
11-11-2017,
07:46 PM
Subhotosh Khan
replied to a thread
Need help for my precal HW: tan(t) = -1/√(3), 2(sin(x))^2 - 5(cos(x)) - 4 = 0
in
Geometry and Trig
.
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3 replies | 157 view(s)
11-10-2017,
07:59 AM
Subhotosh Khan
replied to a thread
Calculating Speed
in
Differential Equations
What is it that the problem wants you to find?
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1 replies | 78 view(s)
11-09-2017,
08:22 AM
Subhotosh Khan
replied to a thread
Solving Rational Equations: 3y/3y+9 + 8y+16/2y+6 = y-4/y+3
in
Intermediate/Advanced Algebra
Do you think you could reduce \frac{2}{2+3} and get \frac{1}{3} by "cancelling" out the 2s in the numerator and denominator. The answer is "No"...
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26 replies | 767 view(s)
11-09-2017,
08:13 AM
Subhotosh Khan
replied to a thread
I don't know what type of maths this is but plz help
in
Pre-Algebra
Is it a regular math-class quiz? Does your problem look as follows: If: 3+8=30 and 5+11=75 and
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2 replies | 237 view(s)
11-08-2017,
05:04 PM
Subhotosh Khan
replied to a thread
Small question about polynomials and factoring them
in
Beginning Algebra
Go to: ...
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3 replies | 296 view(s)
11-07-2017,
07:06 AM
Subhotosh Khan
replied to a thread
basic premium: $20; each add'l $1000 coverage @ $0.30; how much coverage for $95?
in
Finance/Business Math
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 | 234 view(s)
11-06-2017,
03:00 PM
Subhotosh Khan
replied to a thread
logarithm: Solve [log_u(x−u)]^2 > 1 for all acceptable values of "u"
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...
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3 replies | 203 view(s)
11-06-2017,
07:39 AM
Subhotosh Khan
replied to a thread
Probability: Nando has a gambling problem, and plays the following game of chance:
in
Probability / Statistics
Why the hurry? What are your thoughts? Please share your work with us ...even if you know it is wrong. If you are stuck at the beginning...
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3 replies | 220 view(s)
11-06-2017,
07:34 AM
Subhotosh Khan
replied to a thread
P and Q Given, Find R so that RQ = 1/4PQ
in
Intermediate/Advanced Algebra
Did you approximately plot these points (preferably on a graph paper)?
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6 replies | 226 view(s)
11-05-2017,
01:29 PM
Subhotosh Khan
replied to a thread
Evaluate the limit x-->1 (sqrt x - x^2) /(1- sqrt x)
in
Calculus
Start with a substitution: u = √x → u2 = x → u4 = x2 Now continue and show your work...
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10 replies | 409 view(s)
11-05-2017,
01:24 PM
Subhotosh Khan
replied to a thread
Parallel lines and congruent segments question
in
Geometry and Trig
Yes But can you support your conclusion with geometric argument (with reference to well known theorems).
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4 replies | 261 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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Last Activity
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07:55 AM
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