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All Questions
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230619 Questions
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78
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Expected value
How do I expected value
Suppose we have a bag with 10 slips of paper in it. Eight slips have a 3 on them and the other two have a 5 on them.
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Guest
Jan 28, 2023
0
78
0
Counting
Help how do you do this
Each unit square of the 4 x 4 grid below is to be filled in with the number 1, 2, 3 or 4 so that
* each row contains the numbers 1, 2, 3, and 4 in some order
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Guest
Jan 28, 2023
0
127
1
+23
Point O is the circumcenter of ABC. If AB = 8 and the area of AOB is 32, then the area of the circumcircle of ABC is nπ for some integer n.
Point O is the circumcenter of ABC. If AB = 8 and the area of AOB is 32, then the area of the circumcircle of ABC is nπ for some integer n.
What is the value of n?
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uwuoniichan
Jan 28, 2023
0
87
1
Counting
Need the answer soon
In the olympic women's skating competition, the gold medal goes to first place, silver to second, and bronze to third. If there are skaters, including Americans, in how many ways can the medals be awarded
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Guest
Jan 28, 2023
0
80
0
Binomial Theorem
I need help with binomials
For some real number a and some positive integer n, the first few terms in the expansion of (1 + ax)^n are
1 + 10x + 150 x^2 + cx^3 + ...
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Guest
Jan 28, 2023
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77
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Counting problems
Please help with this
(a) Find the number of ways that Magnus can give out 20 identical stickers to 5 of his friends. (Not everyone has to get a sticker.)
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Guest
Jan 28, 2023
+1
103
2
help
Right triangle TRI has side lengths 20, 21, 29. A circle is drawn inside triangle TRI that is tangent to all three sides.
What is the radius of the circle?
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Guest
Jan 28, 2023
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101
2
In ABC point M is the centroid, with MX || BC and MY || AC. Given that the area of quadrilateral CXMY is 18, find the area of triangle ABC.
In ABC point M is the centroid, with MX || BC and MY || AC.
Given that the area of quadrilateral CXMY is 18, find the area of triangle ABC.
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Guest
Jan 28, 2023
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111
2
+23
Right triangle has side lengths . A circle is drawn inside triangle that is tangent to all three sides. What is the radius of
Right triangle has side lengths . A circle is drawn inside triangle that is tangent to all three sides.
What is the radius of the circle?
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uwuoniichan
Jan 28, 2023
0
102
1
Function
I have a function problem
Let F(x) be the real-valued function defined for all real x except for x = 1 and x = 2 and satisfying the functional equation
F(x) + F((2x - 3)/x) = x.
Find the function F(x) satisfying
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Guest
Jan 28, 2023
0
119
3
Im confused HELP
The Tasty as Pi Bakery has two locations! Each location offers the same flavors. Both locations display one pie of each flavor in a rectangle. The downtown location has $4$ rows in its display. The uptown location has $6$ rows in its display. If one of the
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Guest
Jan 28, 2023
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79
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geometry
Help geometry is hard
Let AB be a diameter of a circle, and let C be a point on the circle such that AC=8 and BC=4 The angle bisector of ACB intersects the circle at point M Find CM.
Guest
Jan 28, 2023
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94
0
Circles
Need help with tangent circles
The two circles below are externally tangent. A common external tangent intersects line PQ at R. Find QR.
Guest
Jan 28, 2023
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118
0
+163
Trigonometry
so I got the random guest who has no idea how to solve the problem lol
could someone help
https://web2.0calc.com/questions/let-be-an-angle-such-that-p-is-the-terminal-point-of_1
YourAverageDummy
Jan 28, 2023
-2
114
6
i need help now
Let a and b be real numbers such that a-b=4 and a^3 - b^3 = 52
(a) Find all possible values of ab
(b) Find all possible values of a+b
(c) Find all possible values of a and b
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Guest
Jan 28, 2023
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110
1
Precalc
Need help with precalc
In the diagram below, what are AC and BC?
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Guest
Jan 28, 2023
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82
0
Counting
Plz help with this
In a row of five squares, each square is to be colored either red, yellow, or blue, so that no two consecutive squares have the same color, and at lest three of the squares are red. How many ways are there
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Guest
Jan 28, 2023
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105
1
Counting
Need help counting this
In how many ways can you distribute 10 indistinguishable balls among 8 distinguishable boxes, if at least one of the boxes must be empty?
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Guest
Jan 28, 2023
+1
110
2
Counting
Help I dont know
Find the number of positive integers that satisfy the following conditions:
* Each digit is a 1 or a 2 or a 3
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Guest
Jan 28, 2023
0
123
3
Probability
How do I deal with this probability
Right triangle XYZ has legs of length XY = 12 and YZ = 6. Point D is chosen at random within the triangle XYZ. What is the probability that the area of triangle XYD is at most 20?
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Guest
Jan 28, 2023
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98
0
Probability
Help with probability plz
A bag contains five white balls and three black balls. Your goal is to draw two white balls.
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Guest
Jan 28, 2023
0
109
1
Counting
Help I need this now
Marvin the fly starts at (0,0). Each step, Marvin moves one unit right or one unit up. He is trying to get to his ome at. However, at there is a frog that will eat him if he goes through that
read more ..
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Guest
Jan 28, 2023
0
113
1
Probability
Need to compute probability
A member of the junior varsity swim team will be elected as President. Each member is equally likely to be elected. The probability that a sophomore is elected is the probability
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Guest
Jan 28, 2023
0
115
1
Geometry
How do you solve parallelograms
In the diagram below, PQRS is a parallelogram with a perimeter of 26 and an area of 28. What is the perimeter of rectangle OSTQ? Include an explanation of how you solved the problem.
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Guest
Jan 28, 2023
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