All Questions

462

help

A rectangle is cut from a unit square, and placed inside the remaining rectangle at an angle so that its 4 vertices touch the 4 sides of that rectangle.

What are the dimensions of the rectangle?
read more ..

●

Guest Dec 21, 2019

-1

1230

+101

please help!

Let P(x) be a nonconstant polynomial, where all the coefficients are nonnegative integers. Prove that there exist infinitely many positive integers n such that P(n) is composite.

read more ..

●

chclt363 Dec 21, 2019

453

help

Find the minimum possible value of , where .

●●

Guest Dec 21, 2019

424

help

What's the least odd prime divisor of 2019^8 + 1 ?

●

Guest Dec 21, 2019

Dec 20, 2019

341

help needed

How many ways are there to choose 3 squares in a row from an 8 by 8 chessboard? The squares can be in a row horizontally, vertically, or diagonally.

Guest Dec 20, 2019

516

combo help

Five math coaches A, B, C, D, E are seated in a row at a banquet. How many possible seatings are there, if the coaches A and D cannot be seated next to each other.

●

Guest Dec 20, 2019

+13

794

+232

HARD QUESTION

Nine friends sit around a circular table. Two of the friends, April and Dave, want exactly two people to be between them. How many different seatings are possible? (As usual, two seatings are considered the same if one is a rotation of the other.) read more ..

Melody ●●

ramenmaster28 Dec 20, 2019

561

help geometry

An equilateral triangle that has an area of 9 sqrt(3) is inscribed in a circle. What is the area of the circle?

●

Guest Dec 20, 2019

557

Help with 2 Questions! :(

Q1

Q2 read more ..

●

Guest Dec 20, 2019

2236

help asap please!

Exponents and Logarithms
A hive of bees contains 27 bees when it is first discovered. After 3 days, there are 36 bees. It is determined that the population of bees increases exponentially.

How many bees are will there be after read more ..

●

Guest Dec 20, 2019

1198

Help

A coin is flipped eight times, and the sequence of heads and tails occurring is recorded. How many distinct sequences are possible?

●

Guest Dec 20, 2019

771

help needed

In the figure ABCD is a 3 cm sided square, GC = FC = 1 cm, find the area of EFGC in square centimeter.

●●

Guest Dec 20, 2019

442

I need help with this problem.

In poker, a hand with 5 cards has two pairs if it contains two cards of one rank, two cards of a different rank, and a fifth card that does not match either of the first two ranks. (For example, the hand JJ774 has two pairs.) The order of read more ..

●

Guest Dec 20, 2019

461

help

What is the area enclosed by the graphs of (y - x)^2 = 4 and (y + x)^2 = 4?

●

Guest Dec 20, 2019

3930

Help.

In how many ways can you spell the word ROOM in the grid below? You can start on any letter R, then on each step you can step one letter in any direction (up, down, left, right, or diagonal). read more ..

●●●

Guest Dec 20, 2019

340

help

Four students are about to take a test containing 100 questions of equal difficulty. The probabilities are that the first student will answer 60 questions correctly, the second will answer 50 correctly, and the others will answer 40 and 25 correctly, read more ..

Guest Dec 20, 2019

1527

+312

ANALYTIC GEOMETRY

What is the area of the portion of the circle defined by x^2 - 12x + y^2 = 28 that lies above the x-axis and to the right of the line y= 6 - x?

●●●●●

mathleteig Dec 20, 2019

501

Help please

Using only the digits 7, 8 and 9, how many positive seven-digit integers can be made that are palindromes?

●●

Guest Dec 20, 2019

381

Help

As a prank, Tim decides to steal Nathan's fork at dinner, but so he doesn't get caught, he convinces other people to do it for him. On Monday, he convinces Joe to do it. On Tuesday, he could get either Ambie or John to do it. On Wednesday, he can't convince read more ..

●

Guest Dec 20, 2019

404

help appreciated

Find all z such that (z+1)^7 = z^7.

●

Guest Dec 20, 2019

504

Let the function g be defined on the complex numbers as g(z) = (a + 2 i)z for some real value of a.

Let the function g be defined on the complex numbers as g(z) = (a + 2 i)z for some real value of a.
Then if g(z) is equidistant from 0 and z for all z, what is a equal to?

●

Guest Dec 20, 2019

366

A math question which I need help with.

Alex writes down a string with four digits. (Since this is a string, not a number, it can start with a 0, For example, Alex could write 0472) Alex then feeds this string into a special counting machine, which counts the number of times the digits read more ..

Guest Dec 20, 2019

579

Math question

How many of the numbers from the set {1,2,3...50} have a perfect square factor other than one?

●●●●

Guest Dec 20, 2019

511

help

Solve x^2 - 3*|x| + 2 = 0.

●

Guest Dec 20, 2019

563

help plss. Thanks guys

A concert is soon holding and the venue can hold 12000 people. The minimum price is 100 and all tickets can be sold out if the price of each ticket is set to this minimum. For every increment of 1 in the price, the number of tickets sold decreases by 20. read more ..

●

Guest Dec 20, 2019

All Questions ⁺⁰230590 Questions

help

please help!

help

help

help needed

combo help

HARD QUESTION

help geometry

Help with 2 Questions! :(

help asap please!

Help

help needed

I need help with this problem.

help

Help.

help

ANALYTIC GEOMETRY

Help please

Help

help appreciated

Let the function g be defined on the complex numbers as g(z) = (a + 2 i)z for some real value of a.

A math question which I need help with.

Math question

help

help plss. Thanks guys

10 Online Users

Top Users

Sticky Topics