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Post New Question
All Questions
+0
233017 Questions
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506
1
help!
A square is inscribed in an equilateral triangle as shown in the figure below.
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Guest
Jun 6, 2020
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540
2
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
0
379
1
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
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555
1
+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
0
448
1
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
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Guest
Jun 6, 2020
0
526
2
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
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380
0
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.
Guest
Jun 6, 2020
+1
525
2
+34
Halp
Redacted!
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Possible
Jun 6, 2020
0
513
1
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
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855
1
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
+1
579
1
+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
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480
1
help
Find integer m and n such that 2^m - 2^n = 496.
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Guest
Jun 6, 2020
0
453
1
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
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482
1
coordinates
FInd the area of the triangle with vertices (1,6), (1,11), and (7,43).
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Guest
Jun 6, 2020
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425
1
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
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369
1
Help Please!
For a positive integer n, let
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Guest
Jun 6, 2020
+1
627
4
+308
halep
Find the length of the missing side of the trapezoid below.
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notsmart2.0
Jun 6, 2020
0
554
3
help
I can't solve this quadratic: x^2 + 6x + 25 = 0.
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Guest
Jun 6, 2020
+2
667
3
+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
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539
1
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
0
1098
1
help!!
In this multi-part problem, we will consider this system of simultaneous equations:
3x+5y-6z=2, (i)
5xy-10yz-6xz=-41, (ii)
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Guest
Jun 6, 2020
0
674
4
+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
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lokiisnotdead
Jun 6, 2020
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490
1
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
+1
548
1
+34
Help! Urgent!
Resolved.
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Possible
Jun 6, 2020
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586
1
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
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Guest
Jun 6, 2020
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