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625

help!

A square is inscribed in an equilateral triangle as shown in the figure below.

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Guest Jun 6, 2020

664

Help Please!

In quadrilateral BCED, we have BD = 11, BC = , and CE=2$. Sides BD and overline are extended past B and C, respectively, to meet at point A. If AC = 28 and AB = 24, then what is DE?

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Guest Jun 6, 2020

505

help

In how many ways can four distinct numbers be chosen from the set {0, 1, 2, ..., 9}, so that their sum is a multiple of 3?

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Guest Jun 6, 2020

668

+70

Please Help Asap :) Slightly Confused

For positive real numbers x, y, and z find the minimum value of:
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thesoccerfish Jun 6, 2020

582

Help with Number Theory!

A group of tourists are taking a trip and order a number of buses. At first, they try to seat 22 tourists on each bus, but one tourist is left over. After one bus leaves empty, the tourists can then be seated so that every bus has the same number of read more ..

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Guest Jun 6, 2020

645

cubics, polynomial question - please help!

find all integers n for which n^3=(n-1)^3+(n-2)^3+(n-3)^3

I don't think that the cubic formula will help, but I'm not sure

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Guest Jun 6, 2020

493

help

A pyramid has a square base which has an area of 1440 . Each of the pyramid’s triangular faces is identical and each has an area of 840. Find the height of the pyramid.

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Guest Jun 6, 2020

648

+34

Halp

Redacted!

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Possible Jun 6, 2020

628

help

Tasha and Daniella are running at constant speeds in opposite directions around a circular track. Tasha completes one lap every 56 seconds and meets Daniella every 24 seconds. How many seconds does it take Daniella to complete one lap?

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Guest Jun 6, 2020

989

help

The product of the digits of a four-digit number is 810. None of the digits are repeated. What is the sum of the digits?

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Guest Jun 6, 2020

708

+34

Help! Urgent!

There are many four-digit positive integers in which the product of the digits is equal to 5!. What is the sum of the largest and smallest such four-digit numbers?

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Possible Jun 6, 2020

615

help

Find integer m and n such that 2^m - 2^n = 496.

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Guest Jun 6, 2020

575

help

A man walks due west 800 feet, then due north 900 feet, then due east 1200 feet, and finally due south 700 feet. How far is he from his starting point?

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Guest Jun 6, 2020

613

coordinates

FInd the area of the triangle with vertices (1,6), (1,11), and (7,43).

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Guest Jun 6, 2020

554

help

The points (a,1), (9,0), and (-3,4) lie on a straight line. Find a.

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Guest Jun 6, 2020

493

Help Please!

For a positive integer n, let

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Guest Jun 6, 2020

745

+308

halep

Find the length of the missing side of the trapezoid below.

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notsmart2.0 Jun 6, 2020

679

help

I can't solve this quadratic: x^2 + 6x + 25 = 0.

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Guest Jun 6, 2020

787

+107

Just a little curious

Did we have the membership thing before, or is it a new thing?
And what does the membership do, it'snt like I'm getting ads or blocked features.

off-topic

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NoWorkNeeded Jun 6, 2020

666

help

When (x - 1)(x - 2)(x - 3)(x - 4)(x - 5) is expanded, find the coefficient of x^3.

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Guest Jun 6, 2020

1226

help!!

In this multi-part problem, we will consider this system of simultaneous equations:
3x+5y-6z=2, (i)
5xy-10yz-6xz=-41, (ii) read more ..

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Guest Jun 6, 2020

791

+738

PYTHON HELP PLS!!!!!

Write your Python code to approximate the Golden Ratio by using this formula:

a) Program the codes and prints the result after 20 iterations using the iteration method.
b) Program the codes by calling a read more ..

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lokiisnotdead Jun 6, 2020

601

help

A quarter-circle has an arc length of 2*pi. Find the area of the sector.

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Guest Jun 6, 2020

665

+34

Help! Urgent!

Resolved.

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Possible Jun 6, 2020

716

ive been stuck for an hour plz help!

A man has two pairs of shoes: one black pair and one brown pair. He also has five pairs of socks: black, white, blue, yellow, and grey. One day, he randomly selects a pair of shoes and a pair of socks to wear. What is the theoretical percentage probability read more ..

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Guest Jun 6, 2020

All Questions ⁺⁰238403 Questions

help!

Help Please!

help

Please Help Asap :) Slightly Confused

Help with Number Theory!

cubics, polynomial question - please help!

help

Halp

help

help

Help! Urgent!

help

help

coordinates

help

Help Please!

halep

help

Just a little curious

help

help!!

PYTHON HELP PLS!!!!!

help

Help! Urgent!

ive been stuck for an hour plz help!

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