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0 
Questions Asked

swissgirl:
Group Title
\[\sigma_{\text{ new }}=\sqrt{\frac{\Sigma 1.01X1.01 \overline{X}^2}{n1}}\]
 updated 14 days ago
 8 replies
 No Medals Yet
Mathematics

swissgirl:
Group Title
A certain disease occurs in 40 % of the population. A test for the disease is fairly accurate: it misclassifies people with the disease as h…
 updated one month ago
 32 replies
 2 Medals
Mathematics

swissgirl:
Group Title
Don't tell me you love me, because I cant.
Don't tell me you care, because I wont.
If the world was perfect, It's not…
 updated one month ago
 6 replies
 2 Medals
Mathematics

swissgirl:
Group Title
In line, there are either a turtle or a pig generated randomly, and n represents their number. If n=7, what is the probability there are at …
 updated 11 months ago
 No Medals Yet
Mathematics

swissgirl:
Group Title
Hmmmmm
 updated 11 months ago
 No Medals Yet
Mathematics

swissgirl:
Group Title
\(\bf \Large \color{BurntOrange}{ \frac{ \partial M}( \partial y} = \frac{ \partial N}( \partial x}} \)
 updated one year ago
 No Medals Yet
Mathematics

swissgirl:
Group Title
\(\large \color{ Blue }{\frac{d^2y}{dx^2}+5 \left( \frac{dy}{dx}\right)^34y=e^x\)
 updated one year ago
 7 replies
 3 Medals
Mathematics

swissgirl:
Group Title
Can someone help me differentiate \[\int_0^1e^{st}tdt + \int_1^{\infty} e^{st}(2t)dt\]
 updated one year ago
 14 replies
 1 Medal
Mathematics

swissgirl:
Group Title
Is there any way to integrate the following function and get a decent looking answer?
\( \int se^{s^2} ds\)
…
 updated one year ago
 6 replies
 2 Medals
Mathematics

swissgirl:
Group Title
Use the Laplace transform and the inverses to solve the given initial value problem
\[y''2y'+5y=0 ; y(0)=1, y'(0)=3\]
 updated one year ago
 5 replies
 2 Medals
Mathematics

swissgirl:
Group Title
Can someone proofread my work. I have seen the answer to my question online and it differs by a negative sign. Just wondering If I was on th…
 updated one year ago
 17 replies
 2 Medals
Mathematics

swissgirl:
Group Title
I am reading a textbook and it says the distance from x=0 to x=1+2i is \( \sqrt{5}\). I am assuming they used the distance formula which is…
 updated one year ago
 14 replies
 2 Medals
Mathematics

swissgirl:
Group Title
Find the interval and radius of convergence
 updated one year ago
 62 replies
 4 Medals
Mathematics

swissgirl:
Group Title
Find the interval and radius of convergence for the given power series
 updated one year ago
 29 replies
 1 Medal
Mathematics

swissgirl:
Group Title
Find a solution to the given initialvalue problem using Green's functions
…
 updated one year ago
 24 replies
 1 Medal
Mathematics

swissgirl:
Group Title
Integrate \(e^{\frac{x}{100}}Sin( \frac{x}{4})\)dx
 updated one year ago
 5 replies
 1 Medal
Mathematics

swissgirl:
Group Title
@KingGeorge
 updated one year ago
 18 replies
 1 Medal
Mathematics

swissgirl:
Group Title
Integrate the following:
\( \large \frac{1}{\sqrt{2 \Pi}}e^{ \frac{u^2}{2}} \)
 updated one year ago
 9 replies
 2 Medals
Mathematics

swissgirl:
Group Title
Assume \( f: \mathbb{R} \to \mathbb{R}\) is such that \(f(x+y)=f(x)f(y)\) ( The class of exponential functions has this property). Prove tha…
 updated one year ago
 11 replies
 2 Medals
Mathematics

swissgirl:
Group Title
Prove that the interval \(\{x \in \mathbb{R} \vert 0 \leq x \leq 1\}\) in uncountable. In other words show that no function \(f \mathbb{N} \…
 updated one year ago
 29 replies
 3 Medals
Mathematics

swissgirl:
Group Title
Prove that the interval $\{x \in \mathbb{R} \vert 0 \leq x \leq 1\}$ in uncountable. In other words show that no function $f \mathbb{N} \to …
 updated one year ago
 No Medals Yet
Mathematics

swissgirl:
Group Title
Show that any nonempty finite set S ⊂ ℝ contains both its supremum and infimum. (Hint: use induction)
 updated one year ago
 15 replies
 1 Medal
Mathematics

swissgirl:
Group Title
\( \geq\)
 updated one year ago
 4 replies
 No Medals Yet
Mathematics

swissgirl:
Group Title
Suppose that 2 defective refrigerators have been included in a shipment of 6 refrigerators. The buyer begins to test the refrigerators one a…
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

swissgirl:
Group Title
Calculus: Find K
 updated one year ago
 35 replies
 1 Medal
Mathematics

swissgirl:
Group Title
Find k
 updated one year ago
 6 replies
 1 Medal
Mathematics

swissgirl:
Group Title
A group of four components is known to contain two defectives. An inspector tests the components one at a time until teh 2 defectives are lo…
 updated one year ago
 13 replies
 1 Medal
Mathematics

swissgirl:
Group Title
There is a raffle where there are 50 tickets, One per customer. Now the four organizers each buy one ticket. What is the probability that fo…
 updated one year ago
 22 replies
 1 Medal
Mathematics

swissgirl:
Group Title
To determine each digit of the threedigit winning number in the Pennsylvania state lottery, each of the numbers 0, 1, 2, …, 9 is p…
 updated one year ago
 4 replies
 No Medals Yet
Mathematics

swissgirl:
Group Title
Is anyone familiar with ContinuedFractions approximation?
 updated one year ago
 11 replies
 No Medals Yet
Mathematics
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