Hi all,
Long story short: I'm trying to differentiate square roots, and I don't know where I'm going wrong.
Example 1: f ' (x) of (x/5)^1/2 - I say (1/2)*(x/5)^-1/2 , which gives ... ...
Hi,
I have a triangle, I know the measures of all its angles, and the length of the hypotenuse. I need to find the lengths of the other two sides. What formula can I use to get that?
Tha...
Impossible to answer I know, - here is my list
1. Gauss
2. Euler
3. Riemann
4. Euclid
5. Hilbert
6. Poincare
7. Grothendieck
8. Ramanujan
9. Godel
10. Abel
and yes, - no Newton,...
Is the Earth able to protect the dead bodies of Mankind, animals and birds in it itself since centuries without use of any chemical on the dead bodies?
I am taking a class that covers "set theory". Please see attached JPG (question) and PDF (my answer).
I have no trouble following the function "R" (first function). As the PDF shows, t...
Hello
I have just read that the relationship between dy/dx and dx/dy is that dy/dx = 1/(dx/dy)
The book gave no explanation as to where this comes from. I would appreciate it if you coul...
How to use a CASIO calculator (fx-991W or fx-82MS) to calculate NORMINV(probability,mean,standard_dev)? Thanks!
How could Japan clean up after explosion but Russia could not. Was it a different type of explosion?
If this question is offensive, please delete question.
Hi
I have been reading how to work out that the derivative of e^x = e^x.
This is something i read
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I have two or more data sets. For each data set, I have:
* The total number of points
* The mean
* The standard deviation
I want to combine the data sets into one data set. I know how ...
Hi Everyone;
For the purpose of properly selecting the right air conditioner for the house, I am needing to know how to measure ohms of a wall outlet. I do have a digital multimeter...
Give today's medical technology, is there any reason why, in theory, a human head could not be kept alive and conscious. I cannot see why not. As far as I know, all that would be needed is a p...
Hello
I know how to differentiate lnx from first principles but I've got stuck when i tried to do ln(1/x^3)
Please could someone show me how to do it? If you could refer to the reference...
I have rows of data with which I'd like to forecast the next 2 periods of data for. What is the formula to do this. I'd like to do this in excel all on one row as shown below:
Item P1...
I have to figure out the minimum number of surveys needed to attain a confidence level of 95%
I have several organzations, each with a different population. For example:
Arizona: 523
New...
I am new to statistics and have been doing some reading about how regression analysis can be used to determine the strength of correlations.
How would I set up AND read an analysis to dete...
Hi Everyone;
I am wondering what the difference is between the Swine Flu and Seasonal Flu. Are they different in terms of virus strains? For instance, is there just one viral stra...
Hi
I think i have found another typo in my book and would just like to check
The equation is 5(x-3)(x+1) - 3(x+1)
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I have the following basic 2 variable linear problem that I am using as an example, this will be expanded to more variables.
lets say I have the following two equations:
-100 = x - y
100 ...
how do I calculate the miles driven and gallon use to get miles per gallon
i have a set of numbers from 5- 15 of them
is there a mathematical way to calculate the lower/upper quartiles for a box plot in statistics?
i am making a computer program but i keep gett...
I know it's a silly question, but I still want to know if there any good approach to become a good researcher? I'm a master degree student now, major in network security. I'll appreciate any r...
Take a look at the last matrix on this page please:
http://www.codeguru.com/cpp/misc/misc/math/article.php/c10123__3/
I'm not clear what it actually does, despite having read through the a...
hi , i am stuack on this one...i have a block of wood hollowed out to give wall thickness of 1 inch.
the dimensions are : height 1 ft , width 2ft , lenght 10ft.
Specific weight is 40 lb / ...
I am trying to write an algorithm that will solve the following equation
824 = 16x2 + 16x2 + 26x2
16xsquared + 16xsquared = 26xsquared.
How do I solve this?