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All Questions
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230874 Questions
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301
1
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
0
244
1
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.
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Guest
Aug 10, 2021
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308
2
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
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268
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+68
Help pls
Question:
brinlin
Aug 10, 2021
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419
5
off topic ish
Can someone teach me how to perform LaTeX?
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Guest
Aug 10, 2021
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425
1
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
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Guest
Aug 10, 2021
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386
6
help rationalize
Rationalize 2 / (2 - 2^(1/4))
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Guest
Aug 10, 2021
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418
3
+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
0
303
1
help function
Let
f(x) = 3x^2 - 2 if x <= 3
f(x) = ax^2 + 7x - 4 if x > 3
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Guest
Aug 10, 2021
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232
1
Radicals
Solve x - 6 = sqrt(3x).
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Guest
Aug 10, 2021
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329
1
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
+1
311
2
repost...
https://web2.0calc.com/questions/stuck-on-this-question-all-help-appreciated
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Guest
Aug 10, 2021
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196
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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
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Guest
Aug 10, 2021
0
504
3
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
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Guest
Aug 10, 2021
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354
1
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
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201
0
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
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314
1
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
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318
1
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
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523
2
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
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Guest
Aug 10, 2021
0
329
1
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
+1
496
2
+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.
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Valencia
Aug 10, 2021
0
271
0
+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
0
179
0
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
0
221
1
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
0
279
0
+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?
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brinlin
Aug 10, 2021
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