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Post New Question
All Questions
+0
231119 Questions
+4
1027
2
+2862
Happy New Year 2020
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off-topic
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CalculatorUser
Jan 1, 2020
-1
670
4
help
1. How many ways are there to put 5 balls in 3 boxes if the balls are distinguishable and the boxes are distinguishable?
2. How many ways are there to put 5 balls in 3 boxes if the balls are not distinguishable
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Guest
Jan 1, 2020
0
1065
2
+21
help
Denali and Nate work for a dog walking business and are paid for each dog they walk. Denali is responsible for 16 dogs and Nate is responsible for 12 dogs. Under the company's new policy, they will be assigned or unassigned new dogs in groups of x dogs.
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SunriseReprise
Jan 1, 2020
0
649
2
help
ABCD is a square, AC & BD are its diagonals which intersect at O. Given angle BDL =angle LDC, and BL = 6cm. find the length of the line segment OK.
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Guest
Jan 1, 2020
0
932
5
+98
halp
An ellipse whose axes are parallel to the coordinate axes is tangent to the x-axis at (4,0) and tangent to the y-axis at (0,1) Find the distance between the foci of the ellipse.
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Atroshus
Jan 1, 2020
0
542
1
help
5 people are waiting in line for their picture to be taken. How many different ways can the line formed?
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Guest
Jan 1, 2020
+1
732
0
+50
Already seen this question, but no one answered.
Here is the link to question: https://web2.0calc.com/questions/help_46463. PLease not only give me answer but give me the solution. You can answer to either the logic(where the link takes you, you will still be in web2.0calc) or here. Thanks for all
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Zekken
Jan 1, 2020
0
515
1
help
The lines x = 4y - a and y = 4x - b intersect at the point (1,2). What is a + b?
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Guest
Jan 1, 2020
0
945
1
+21
help
Let and be two distinct polynomials with real coefficients such that the x-coordinate of the vertex of f is a root of g and the x-coordinate of the vertex of g is a root of f and both f and g have the same minimum value. If the
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SunriseReprise
Jan 1, 2020
Dec 31, 2019
0
878
2
+296
Help on Alg 2
A triangle is formed with one vertex at the vertex of the parabola y=x^2-1 and the other two vertices at the intersections of the line y=r and the parabola. If the area of the triangle is between 8 and 64 inclusive, find all possible values of r. Express
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EpicWater
Dec 31, 2019
0
641
2
+296
Please help
What is the sum of all numbers a for which the graph of y=x^2+a and the graph of y=ax intersect one time?
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EpicWater
Dec 31, 2019
0
699
2
+261
help
What is the residue modulo 13 of the sum of the modulo 13 inverses of the first 12 positive integers? Express your answer as an integer from 0 to 12, inclusive.
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atlas9
Dec 31, 2019
0
1435
2
Help, i do not understand.
In poker, a pair is formed from two cards of the same rank. A hand with 5 cards is called two pairs if it has two pairs of cards of different ranks, and a fifth card that does not match either pair. (For example, the hand KK338 has two
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Guest
Dec 31, 2019
0
750
2
+39
Fastest way to generate big primes
Is there some software that´s able to generate primes from 000000000000000000000000000000 to 999999999999999999999999999999 very fast?
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MathKing
Dec 31, 2019
0
751
3
+39
Simplify prime number
I have this big prime:
2838328825137039141435342621439534528943128838135431433332945938442728943834240131132923440422435340428745539221936843942339045745743431328047440840623840847628343125745638943539646036323141935836144224627527034421721943138543437843833428039947524334031931438636437142931327924831725629124722934522441929229246038336244639533537231633646440243963
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MathKing
Dec 31, 2019
0
619
3
Halp
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Guest
Dec 31, 2019
0
1890
1
Geometry Question
A large square is divided into 4 small congruent rectangles and a small square as shown. The areas of the large and small squares are 25 and 7, respectively. What is the length of a diagonal of a small rectangle?
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Guest
Dec 31, 2019
0
479
1
Help please
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Guest
Dec 31, 2019
0
727
2
help
Find angle DAC + angle EBD + angle ACE + angle BDA + angle CEB.
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Guest
Dec 31, 2019
0
502
3
Halp!
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Guest
Dec 31, 2019
0
458
1
help
If (a + bi)^2 = b + ai, where i^2 = -1, and a and b are positive, then find (a,b).
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Guest
Dec 31, 2019
0
507
1
help
A man lost in the woods decides to flip a coin, walking one mile east each time it appears heads and one mile west each time it appears tails. He flips the coin six times and walks accordingly. Find the probability that he will be at least two
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Guest
Dec 31, 2019
0
15
0
+306
A coin is flipped 10 times, and at least 8 of the flips were heads. How many different sequences of flips could there have been?
A coin is flipped 10 times, and at least 8 of the flips were heads. How many different sequences of flips could there have been?
mathmathj28
Dec 31, 2019
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