User mlerma54

49 votes

What is the formula for pi used in the Python decimal library?

answered Dec 6, 2018 at 19:01

8 votes

Accepted

Rationalizing denominator of $\frac{18}{\sqrt{162}}$. Cannot match textbook solution

answered Jan 3, 2019 at 4:53

6 votes

Radioactive coins - find the two radioactive coins out of twelve

answered Nov 25, 2018 at 2:49

5 votes

Questions on a proof that $\mathbb F_2[x]/(x^2-1)$ and $\mathbb F_2[x]/(x^2)$ are isomorphic.

answered Dec 20, 2018 at 6:12

3 votes

Accepted

Is following subset of $\mathbb{Q^3}$ a subspace?

answered Dec 21, 2018 at 21:28

3 votes

Accepted

A function that separates points of $\mathbb{R}^N$

answered Dec 5, 2018 at 16:51

3 votes

Passing a binary message to a friend where one of the components is always "turned on"

answered Nov 28, 2018 at 1:45

3 votes

Accepted

How can you determine if a point is inside a parametric 2D manifold?

answered Nov 29, 2018 at 22:56

3 votes

$A$ and $B$ nonempty subsets of $\mathbb{R}$, if $\sup(A)=\sup(B)$ then $\forall a \in A, \exists b \in B$ such that $a<b$

answered Dec 2, 2018 at 0:04

2 votes

Does uniform convergence of $f$ imply convergence of derivatives?

answered Dec 7, 2018 at 16:46

2 votes

Accepted

The $\sigma$-algebra generated by $F = \{A \subseteq \mathbb{R} : 0 \in A^{\circ} \text{or } 0 \in (A^c)^\circ\}$ contains all singletons.

answered Nov 25, 2018 at 19:51

2 votes

On average, how many times will I need to roll a six-sided die before I see ten ONES in total?

answered Jan 17, 2017 at 18:36

2 votes

Computing $2^{2^1}+2^{2^2}+2^{2^3}+\cdots+2^{2^n}$

answered Dec 4, 2018 at 16:25

2 votes

Continuous function on a compact metric space with no fixed point

answered Dec 5, 2018 at 4:58

2 votes

Review on my method for $Number$ $of$ $diagonals$ in a regular $n$-gon is $\frac12n(n-3)$

answered Dec 10, 2018 at 17:09

2 votes

A combination of three dice

answered Dec 10, 2018 at 17:54

1 vote

Accepted

Integral of 1/x - base of logarithm

answered Dec 11, 2018 at 19:45

1 vote

Is Chaitin's constant well-defined?

answered Dec 18, 2018 at 22:29

1 vote

Using Generating Function to calculate number of ways to select committees

answered Dec 10, 2018 at 6:21

1 vote

Reciprocal using Newton Raphson

answered Dec 5, 2018 at 5:35

1 vote

True or False?( Calculus)

answered Nov 24, 2018 at 5:42

1 vote

Accepted

A bounded sequence with accumulation points of 2 and 3 must be in the interval $(1,4)$ for large $n$.

answered Nov 24, 2018 at 7:49

1 vote

Argument of fraction of complex numbers is constant

answered Nov 29, 2018 at 0:19

1 vote

Logic Equivalences

answered Nov 29, 2018 at 21:53

0 votes

Series convergence with parameter:

answered Dec 3, 2018 at 20:40

0 votes

Proof with d-quadrilateral

answered Dec 1, 2018 at 1:19

0 votes

How many possibilities are there for at least $k$ consecutive heads to show up out of $n$ tosses?

answered Apr 20, 2018 at 16:55

0 votes

Accepted

Given $x^2=2$ prove for any rational number $\frac{p}{q} < x$,there exists $\frac{m}{n}$ such that $\frac{p}{q}<\frac{m}{n}<x$

answered Nov 21, 2018 at 6:05

0 votes

For 3 independent events A, B and C, is $\mathrm{P(A \cap B \cap C) = P(A)P(B)P(C)}$?

answered Nov 24, 2018 at 3:49

0 votes

Two type of balls in a bag

answered Nov 24, 2018 at 4:14

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35 Answers

What is the formula for pi used in the Python decimal library?

Rationalizing denominator of $\frac{18}{\sqrt{162}}$. Cannot match textbook solution

Radioactive coins - find the two radioactive coins out of twelve

Questions on a proof that $\mathbb F_2[x]/(x^2-1)$ and $\mathbb F_2[x]/(x^2)$ are isomorphic.

Is following subset of $\mathbb{Q^3}$ a subspace?

A function that separates points of $\mathbb{R}^N$

Passing a binary message to a friend where one of the components is always "turned on"

How can you determine if a point is inside a parametric 2D manifold?

$A$ and $B$ nonempty subsets of $\mathbb{R}$, if $\sup(A)=\sup(B)$ then $\forall a \in A, \exists b \in B$ such that $a<b$

Does uniform convergence of $f$ imply convergence of derivatives?

The $\sigma$-algebra generated by $F = \{A \subseteq \mathbb{R} : 0 \in A^{\circ} \text{or } 0 \in (A^c)^\circ\}$ contains all singletons.

On average, how many times will I need to roll a six-sided die before I see ten ONES in total?

Computing $2^{2^1}+2^{2^2}+2^{2^3}+\cdots+2^{2^n}$

Continuous function on a compact metric space with no fixed point

Review on my method for $Number$ $of$ $diagonals$ in a regular $n$-gon is $\frac12n(n-3)$

A combination of three dice

Integral of 1/x - base of logarithm

Is Chaitin's constant well-defined?

Using Generating Function to calculate number of ways to select committees

Reciprocal using Newton Raphson

True or False?( Calculus)

A bounded sequence with accumulation points of 2 and 3 must be in the interval $(1,4)$ for large $n$.

Argument of fraction of complex numbers is constant

Logic Equivalences

Series convergence with parameter:

Proof with d-quadrilateral

How many possibilities are there for at least $k$ consecutive heads to show up out of $n$ tosses?

Given $x^2=2$ prove for any rational number $\frac{p}{q} < x$,there exists $\frac{m}{n}$ such that $\frac{p}{q}<\frac{m}{n}<x$

For 3 independent events A, B and C, is $\mathrm{P(A \cap B \cap C) = P(A)P(B)P(C)}$?

Two type of balls in a bag