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All Questions
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215361 Questions
0
17
0
3d geo
Points A B and C are on a sphere whose radius is 13. If AB = BC = 15, what is the longest possible value of AC?
Guest
Jun 28, 2022
0
23
0
polynomial
What is the polynomial of f so that f(0)=47, f(1)=32, f(2)=-18, and f(3)=16?
Guest
Jun 28, 2022
0
20
0
Function
How many real numbers are not in the domain of the function
f(x) = 1/(x - 64) + 1/(x + 64) + 1/(x^2 - 64) + 1/(x^2 + 64) + 1/(x^3 - 64) + 1/(x^3 + 64) + 1/(x^4 - 64) + 1/(x^4 + 64)?
Guest
Jun 28, 2022
0
30
1
Help
Tom baked some cupcakes. If he gave each of his friends 5 cupcakes, he would have 25 cupcakes left. If he gave each of his friends 9 cupcakes, he would need to bake another 35 more cupcakes. How many cupcakes did Tom bake?
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Guest
Jun 28, 2022
0
25
0
counting
The planning committee at school has 10 members. Exactly four of these members are teachers. A four-person subcommittee with at least two members who are teachers must be formed from the members of the planning committee. How many distinct subcommittees
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Guest
Jun 28, 2022
0
28
1
coordinates
In terms of pi, what is the area of the circle defined by the equation $2x^2+2y^2+10x-6y-18=0?
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Guest
Jun 28, 2022
0
28
1
Algebra question
Given the following list of numbers: $\frac{3}{5}, \frac{5}{6}, \frac{2}{3}, -\frac{4}{7}, \frac{9}{8}, \frac{7}{9}, \frac{11}{10}, \frac{3}{4}$ what is the smallest number subtracted from the biggest number? Express your answer as a decimal.
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Guest
Jun 28, 2022
0
32
1
Squares
In the figure below, ABDC, EFHG, and ASHY are all squares; and AB = EF = 1 and AY = 6. What is the area of quadrilateral DYES?
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Guest
Jun 28, 2022
0
19
0
Quadriaterals
Trapezoid ABCD has vertices A(-1,0), B(0,5), C(m,4) and D(k,0), with m > 0 and k > 0. The line y = -x + 4 is perpendicular to the line containing side CD, and the area of trapezoid is 34 square units. What is the value of k?
Guest
Jun 28, 2022
0
35
5
Decimals
Express as a common fraction the reciprocal of $0.\overline{72}$.
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Guest
Jun 28, 2022
0
33
1
Angles
In triangle ABC, AC = BC, angle DCB is 44 degrees, and CD is parallel to AB. What is the number of degrees in angle ECD?
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Guest
Jun 28, 2022
0
22
0
Angles
In the diagram, PW is parallel to QX, S and T lie on QX, and U and V are the points of intersection of PW with SR and TR, respectively. If angle SUV = 125 degrees and angle VTX = 103 degrees, what is the measure of angle URV?
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Guest
Jun 28, 2022
0
35
1
coordinates
If x \geq 0 and y \geq 0, how many lattice points does the line y = -2x + 18 - x + 30 pass through? (A lattice point is a point with integer coordinates.)
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Guest
Jun 28, 2022
0
28
1
quadratic
Find the set of values of k for which this equation has two real roots.
5x^2 + 4k*x + k = x^2 + 3x + 2
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Guest
Jun 28, 2022
0
22
0
Parabolas
Two parabolas are the graphs of the equations y = 3x^2 + 4x - 5 and y = x^2 - 5x + 1. Give all points where they intersect. List the points in order of increasing x-coordinate, separated by semicolons.
Guest
Jun 28, 2022
0
19
0
Analytic geometry
Find the area of the quadrilateral formed with vertices at (1,2) (5,8) (8,-6), (4,1)
Guest
Jun 28, 2022
0
47
1
help me
A play has two different roles that must be played by a child, two different roles that must be played by an adult, and two different roles that can be played by either a child or an adult. If five children and six adults audition for the play, in how many
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Guest
Jun 28, 2022
0
32
1
need help
Find constants A and B such that
(4x - 11)/(x^2 - 4x + 3) = A/(x - 1) + B/(x - 3)
for all x such that x is not equal to 1 and x is not equal to 3. Give your answer as the ordered pair (A,B).
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Guest
Jun 28, 2022
0
34
1
triangle question
Find the inradius of triangle ABC.
Find the circumradius of triangle ABC.
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Guest
Jun 28, 2022
0
31
1
help pls
The graph of $y = \frac{p(x)}{q(x)}$ is shown below, where $p(x)$ and $q(x)$ are quadratic. (Assume that the grid lines are at integers.)
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Guest
Jun 28, 2022
0
30
1
coordinates
If a is the x-intercept, b is the y-intercept, and m is the slope of the line with equation 4x + 12y = 1, then what is the value of a + b + m?
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Guest
Jun 28, 2022
0
23
0
help algebra
Let x and y be real numbers such that 2(x^2 + y^2) = x + y. Find the maximum value of x - 2y.
Guest
Jun 28, 2022
+3
60
1
+192
Advanced Combinatorics
Question:
8 rooks are randomly placed on different squares of a chessboard. A rook is said to attack all of the squares in its row and its column.
Compute the probability that every square is occupied or attacked by at
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OrangeJuicy
Jun 28, 2022
0
34
1
help algebra
How many integers have an absolute value less than 20pi + 5*sqrt(2) + 12*sqrt(2)?
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Guest
Jun 28, 2022
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