All Questions ⁺⁰215361 Questions

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17

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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

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23

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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

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20

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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?

Guest Jun 28, 2022

0

25

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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 read more ..

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?

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.

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

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19

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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

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22

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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.)

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

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 read more ..

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).

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?

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 read more ..

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)?

Guest Jun 28, 2022

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