All Questions

1588

problem

A rectangular array of chairs is an arrangement of the chairs in rows and columns such that each row contains the same number of chairs as every other row and each column contains the same number of chairs as every other column. If there must be at least read more ..

heureka ●

Guest Jun 26, 2018

1469

The greatest common divisor of two integers is (x+3) and their least common multiple is x(x+3), where x is a positive integer. If one of the

The greatest common divisor of two integers is (x+3) and their least common multiple is x(x+3), where x is a positive integer. If one of the integers is 40, what is the smallest possible value of the other one?

●

Guest Jun 26, 2018

979

+198

Help on a PIE problem

[removed]

●●●

Max0815 Jun 26, 2018

1645

Math HELP Urgent

The quadratic -6x^2+36x+216 can be written in the form a(x+b)^2+c, where a, b, and c are constants. What is a+b+c?

heureka ●

Guest Jun 26, 2018

1460

+2446

TheXSquaredFactor's 1st Anniversary!

Technically, the one-year anniversary milestone occurred a month ago, and I never recognized myself for the accomplishment. I think that the time has finally come. I have sifted through nearly all 900 responses that I have provided since my beginning, read more ..

off-topic

●●

TheXSquaredFactor Jun 26, 2018

935

+193

PLZZZZZ HELP!!!!!

use four different colors to color the four rectangles A, B, C, and D as shown in the figure. No two rectangles sharing the same edge can be the same color. How many ways are there to color the rectangles? read more ..

●

Confusedperson Jun 26, 2018

+16

3527

+985

The Pascal's Triangle

Recently, someone asked about the secrets of the Pascal's Triangle. My answer was not complete, since it didn't contain all the neat tricks and gimmicks. I have summed it all up here. This is the basic Pascal's Triangle:
read more ..

●●●●

GYanggg Jun 26, 2018

653

+279

deleted

dleete

●

yasbib555 Jun 26, 2018

977

Decimals to Radicas

Hey everyone, is there a button on the calculator on this website that changes an answer in decimals to radicals? Thanks

●

Guest Jun 26, 2018

Jun 25, 2018

1104

+82

Please help me with these questions: Thanks soooo much!

Please help me with this question: Thanks!

Problem 1:
read more ..

●●●

HelpPls Jun 25, 2018

1776

problem

Given that $\displaystyle {{\left((3!)!\right)!}\over{3!}}= k\cdot n!$, where $k$ and $n$ are positive integers and $n$ is as large as possible, find $k+n$.

●

Guest Jun 25, 2018

470

derivate solution?

Hello,

If anyone can help me , I appreciate
read more ..

Guest Jun 25, 2018

627

Urgent-One Question-Thanks!

Hello, I just have one question. Please explain so that I won't just 'have an answer' but an understanding so that I can practice these sort of problems on my own. Once again, thanks so much for all of your help and assistance .
read more ..

●

Guest Jun 25, 2018

2094

How many natural numbers less than 1000 have exactly three distinct positive integer divisors?

●

Guest Jun 25, 2018

448

help cphill

Suppose that we are given 40 points equally spaced around the perimeter of a square, so that four of them are located at the vertices and the remaining points divide each side into ten congruent segments. If P, Q, and R are chosen to be any three of read more ..

●

Guest Jun 25, 2018

654

help

The operation star is defined as a star b = a^2/b. For how many integer values of x will the value of 10 star x be a positive integer?

●

Guest Jun 25, 2018

1315

The sum of all the positive factors of integer $x$ is 24. If one of the factors is 3, what is the value of $x$?

●

Guest Jun 25, 2018

444

geometry

Suppose that we are given 40 points equally spaced around the perimeter of a square, so that four of them are located at the vertices and the remaining points divide each side into ten congruent segments. If $P$, $Q$, and $R$ are chosen to be any three read more ..

●●

Guest Jun 25, 2018

638

Make't' the subject

I = (V/R)(1-e^t)

●

Guest Jun 25, 2018

591

Help with calculator math problem.

Thea has a key on her calculator marked with a blue asterisk*. If an integer is displayed, pressing the asterisk key chops off the first digit and moves it to the end. For example, if 6138 is on the screen, then pressing the asterisk key changes the read more ..

●

Guest Jun 25, 2018

1309

+590

Please Help on This Question

A metal washer has an external diameter of 2cm and an internal diameter of 1cm.

a. How many washers can be cut from a sheet of steel 3m by 1m?
b. If the metal left over was remelted and cast into a sheet of the same thickness read more ..

Gh0sty15 Jun 25, 2018

1250

+239

My teacher said the pascal's triangle was really cool, and has a lot of patterns.

My teacher said the pascal's triangle was really cool, and has a lot of patterns.

What are they?

●●

Rollingblade Jun 25, 2018

1002

+16

How do I enter this into my calculator?

HI,

I'm not a mathematician so please excuse my cluelessness However, I need to calculate this as part of a stats problem:
√1/45 + 1/36 (The square root is supposed to extend over both 1/45 and 1/36).I remember BODMAS read more ..

●●

spadekevin Jun 25, 2018

All Questions ⁺⁰237665 Questions

problem

The greatest common divisor of two integers is (x+3) and their least common multiple is x(x+3), where x is a positive integer. If one of the

Help on a PIE problem

Math HELP Urgent

TheXSquaredFactor's 1st Anniversary!

PLZZZZZ HELP!!!!!

The Pascal's Triangle

deleted

Decimals to Radicas

Please help me with these questions: Thanks soooo much!

problem

derivate solution?

Urgent-One Question-Thanks!

How many natural numbers less than 1000 have exactly three distinct positive integer divisors?

help cphill

help

The sum of all the positive factors of integer $x$ is 24. If one of the factors is 3, what is the value of $x$?

geometry

Make't' the subject

Help with calculator math problem.

Please Help on This Question

My teacher said the pascal's triangle was really cool, and has a lot of patterns.

How do I enter this into my calculator?

1 Online Users

Top Users

Sticky Topics