All Questions

416

Coordinates

The equation of a circle is given as 2x^2 + 2y^2 + 4x + 12y + 6 = 0. What are the center, C, and the radius, r of the circle?

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Guest Aug 10, 2021

384

Fractions

Alan was given a total of 208 game cards. He wanted more cards so he bought the same number of cards each day for the next 10 days. At the end of the fifth day, he had bought 5/23 of the total number of cards he was given and had bought in the 10 days. read more ..

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Guest Aug 10, 2021

439

Coordinates

What is the x-coordinate of the point on the x-axis that is equidistant from points A(2,0) and B(0,6)?

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Guest Aug 10, 2021

405

+68

Help pls

Question:

brinlin Aug 10, 2021

529

off topic ish

Can someone teach me how to perform LaTeX?

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Guest Aug 10, 2021

565

In the SuperLottery, three balls are drawn (at random) from ten white balls numbered from $1$ to $10$, and one SuperBall is drawn (at random

In the SuperLottery, three balls are drawn (at random) from ten white balls numbered from to , and one SuperBall is drawn (at random) from ten red balls numbered from to . When you buy a ticket, you choose three read more ..

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Guest Aug 10, 2021

513

help rationalize

Rationalize 2 / (2 - 2^(1/4))

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Guest Aug 10, 2021

528

+89

halp

Find all complex numbers such that
Note: All solutions should be expressed in the form where and are real numbers.

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justinwh333 Aug 10, 2021

435

help function

Let
f(x) = 3x^2 - 2 if x <= 3
f(x) = ax^2 + 7x - 4 if x > 3
read more ..

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Guest Aug 10, 2021

359

Radicals

Solve x - 6 = sqrt(3x).

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Guest Aug 10, 2021

466

Quadratic

The solutions of x(2x-7)=8 may be expressed in the form (m + sqrt(n))/p and (m - sqrt(n))/p, where m, n, and p are relatively prime numbers. Find m+n+p.

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Guest Aug 10, 2021

442

repost...

https://web2.0calc.com/questions/stuck-on-this-question-all-help-appreciated

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Guest Aug 10, 2021

317

Function

Let f(x) be an even function defined for all real numbers x and let g(x)=f(x+3)-5 You are told that the graph of y=g(x) passes through the point (4,-7) Then the graph of y=g(x) must also pass through the point (a,b) Enter your answer in the form "a,b read more ..

Guest Aug 10, 2021

612

hai thereeee :( halp?

Quadrilateral $ABCD$ is a square. A circle with center $D$ has arc $AEC$. A circle with center $B$ has arc $AFC$. If $AB = 2$ cm, what is the total number of square centimeters in the football-shaped area of regions II and III combined? Express your answer read more ..

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Guest Aug 10, 2021

489

Coordinates

A segment with endpoints at A(2, -2) and B(14, 4) is extended through B to point C. If BC = 3*AB, what are the coordinates for point C? Express your answer as an ordered pair.

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Guest Aug 10, 2021

328

Polynomial

Let f(n) be a polynomial of degree n such that f(n) = 2^n for n = 0, 1, 2, 3. Find f(4).

Guest Aug 10, 2021

427

help geometry

A sector of 144 degrees is removed from a circle of radius 15, and the remaining portion is folded into a cone. What is the angle at the vertex of the cone?

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Guest Aug 10, 2021

452

Help ke

James had 1/8 as many pencils as Mark. When Mark gave half of her pencils to James, he then had 12 fewer pencils than he had. How many pencils did Mark have at first?

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Guest Aug 10, 2021

641

Three cards are dealt at random from a standard deck of 52 cards. What is the probability that the first card is a Jack, the second card is

Three cards are dealt at random from a standard deck of 52 cards. What is the probability that the first card is a Jack, the second card is a Queen, and the third card is a King? Assuming the dealing is done without replacement.

i read more ..

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Guest Aug 10, 2021

472

Domain

Find the domain of the function (x^4-4x^3+6x^2-4x+1)/(x-4).

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Guest Aug 10, 2021

589

+55

HLWP

A regular octahedron is made up of eight equilateral triangles, each with side length one unit, as shown below. An ant starts at the top vertex, walks along the edges of the triangles without ever traversing the same edge twice, and ends at the top vertex. read more ..

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Valencia Aug 10, 2021

411

+68

help pls

The centroid of the faces of a tetrahedron are (17, 0, 3), (-2, 13, 3), (1, 2, 15) and (1, -1, 2). What are its vertices?

brinlin Aug 10, 2021

305

Polynomial

Find all roots given that x = 3 + i is a solution.
x^4 - 10x^3 + 29x^2 - 10x - 50 = 0

Guest Aug 10, 2021

354

Binomial Theorem

Find the coefficient of u^2 in expansion of (2u - 1)^5 using binomial theorem.

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Guest Aug 10, 2021

405

+68

help pls

Show that for any point P and any triangle ABC, the sum of the squares of the sides of the triangle is no greater than 3 times the sum of the squares of the distance from P to each of the vertices of triangle ABC. At what point do we have equality? read more ..

brinlin Aug 10, 2021

All Questions ⁺⁰238326 Questions

Coordinates

Fractions

Coordinates

Help pls

off topic ish

In the SuperLottery, three balls are drawn (at random) from ten white balls numbered from $1$ to $10$, and one SuperBall is drawn (at random

help rationalize

halp

help function

Radicals

Quadratic

repost...

Function

hai thereeee :( halp?

Coordinates

Polynomial

help geometry

Help ke

Three cards are dealt at random from a standard deck of 52 cards. What is the probability that the first card is a Jack, the second card is

Domain

HLWP

help pls

Polynomial

Binomial Theorem

help pls

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