user avatar
user avatar
user avatar
Abr001am
  • Member for 7 years, 3 months
  • Last seen more than a month ago
  • Genoa Mount (not in Nevada)
4 votes
Accepted

The value of the logarithmic expression can never be $\ldots$

4 votes

Without using a calculator, is $\sqrt[8]{8!}$ or $\sqrt[9]{9!}$ greater?

4 votes

Intuition for why the difference between $\frac{2x^2-x}{x^2-x+1}$ and $\frac{x-2}{x^2-x+1}$ is a constant?

3 votes

How many numbers between $1$ and $9999$ have sum of their digits equal to $8$? $16$?

2 votes

Multiplication without figures

2 votes

A child has six blocks, three of which are red and three of which are green. How many patterns can she make by placing

2 votes

When is $8x^2-4$ a square number?

2 votes

Is there a formula to calculate the area of a trapezoid knowing the length of all its sides?

2 votes

Factorize $x+{1\over 2}x^2+{1\over 3}x^3+ \cdot\cdot$ by $1-x$

2 votes

Sequence of positive integers.

2 votes

Proving that this sequence is convergent

1 vote

Relationship between the product & sum of digits

1 vote

Probability that all three shirts were worn

1 vote

olympic mathematics

1 vote

Find the remainder when $1111^{2019}$ is divided by $11111$

1 vote

How many ten digit decreasing numbers are there when its digits form a decreasing sequence such that each digit is not larger than the preceding one?

1 vote

How to compute the number of 3-key combinations of a circular safe lock?

1 vote
Accepted

Calculating another point on a circle from radiants

1 vote

Generating binary array

1 vote

Finding a point on a circle that makes a specific angle of incidence with a given point inside it?

1 vote

Write a recursive definition for the set of all binary strings that contain an odd number of zeros, and for all that end with a 0.

1 vote

Urn balls without replacement, probability on nth position

0 votes

In how many ways one can color n bins in m colors leaving uncolored bins on each side of colored one?

0 votes

Permutations in which $d$ appears before $b$.

0 votes
Accepted

Determine depth of node in perfect binary tree with depth-first in-order enumeration

0 votes

Solving recurrence $T(n) = T(n-2) +2 \log(n)$ using the Substitution Method

0 votes

Please remind me of how this technique works ...

0 votes

Number of different arrays which can be obtained from a given array by applying the following operation M times.

0 votes

Is there a solution for this recurrence relation?

0 votes

What am I doing wrong, restricted integer solutions?