All Questions ⁺⁰237665 Questions

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Geometry problem

Points A(0,0), B(9,6) and C(6,12) are vertices of triangle ABC. Point D is on segment AB such that 3(AD) = DB, point E is on segment BC such that 3(BE) = EC and point F is on segment CA such that 4(CF) = FA. read more ..

Guest Nov 22, 2021

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399

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System question

Find the ordered triplet (x,y,z) for the following system of equations:
x + 3y + 2z = 1
-3x + y + 5z = 10
-2x + 3y + z = 7 read more ..

Guest Nov 22, 2021

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249

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help Algebra

Let a and b be the roots of the equation x^2 - mx + 2 = 8x + 1/m. Suppose that a + 1/b and b + 1/a are the roots of the equation x^2-px+q=0. Compute p/q.

Guest Nov 22, 2021

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384

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Algebra

What is the numerical value of x: $x = \frac{1}{3-\frac{1}{3-\frac{1}{3-\ldots}}}$

Guest Nov 22, 2021

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313

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Geometry

Let A, B, C be points on circle O such that AB is a diameter, and CO is perpendicular to AB. Let P be a point on OA, and let line CP intersect the circle again at Q. If OP = 20 and PQ = 8, find r^2, where r is the radius of the read more ..

Guest Nov 22, 2021

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333

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Geometry

Circle O is tangent to AB at A, and angle ABD = 90 degrees. If AB = 12 and CD = 16, find the radius of the circle.

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Guest Nov 22, 2021

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295

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Geometry

Two circles intersect at A and B. A common external tangent is tangent to the circles at T and U as shown. Let M be the intersection of line AB and TU. If AB = 9 and BM = 5 find TU.

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Guest Nov 22, 2021

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252

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Geometry

In triangle ABC, M is the midpoint of AB. Let D be the point on BC such that AD bisects angle BAC, and let the perpendicular bisector of AB intersect AD at E. If AB = 44, AC = 36, and ME = 15, then find the area of triangle ACD.

Guest Nov 22, 2021

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264

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trig question

ABCD is a regular tetrahedron (right triangular pyramid). If M is the midpoint of CD and N is the midpoint of AB, then what is cos AMN?

Guest Nov 22, 2021

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421

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Spend A Million

If I start with one million dollars and I spend one dollar every 2 seconds how long will it take for me to spend one million dollars?

Guest Nov 22, 2021

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379

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Algebra

Given (14x + 22)/(x + 2) = -3x + 7, compute the sum of all the possible values of Express your answer as a fraction.

Guest Nov 22, 2021

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404

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Logarithm

Find the sum of all values of x such that log_3 (x - 1) = -1.

Guest Nov 22, 2021

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404

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Trig and unit circle question

Let be an angle with a terminal point of shown in the picture below, and let , , and be the following other terminal points:

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Guest Nov 22, 2021

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272

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Coordinates

Find the value of B - A if the graph of Ax + By = 3 passes through the point (-7,-2) and is parallel to the graph of x + 8y = -5.

Guest Nov 22, 2021

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327

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Why 1 is a not prime number?

1 can only be divided by One number,1 itseld,so with this definition is Not a primenumber.

Guest Nov 22, 2021

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301

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need help

The vertex of a parabola is at (12, -4), and its axis of symmetry is vertical. One of the x-intercepts is at $(18, 0)$. What is the x-coordinate of the other x-intercept?

Guest Nov 22, 2021

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397

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запиши 3 числа. первое число 16. каждое следущие в 2 раза меньше.

запиши 3 числа. первое число 16. каждое следущие в 2 раза меньше.

Guest Nov 22, 2021

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373

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help coordinates

The distance between the points (x, 21) and (4, -7) is 10*sqrt(3) . Find the sum of all possible values of x.

Guest Nov 22, 2021

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339

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Coordinates

Find the value of c such that the three points (5, 5), (-3, 7) , and (-6, c) lie on the same line.
Note: Three points are on the same line if the slope of the line through any two points is always the same.

Guest Nov 22, 2021

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261

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Parabola

Find the vertex of the graph of the equation x - y^2 + 8y = 13 + y^2 - 6y

Guest Nov 22, 2021

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268

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Algebra

If a + b = 7 and a^3 + b^3 = 42 + ab, what is the value of the sum 1/a + 1/b? Express you answer as a common fraction.

Guest Nov 22, 2021

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289

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Coordinates

The points (1,7), (-13,16), and (5,k) where k is an integer, are vertices of a non-degenerate triangle. What is the sum of the values of k for which the area of the triangle is a minimum?

Guest Nov 22, 2021

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392

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Algebra question

If 3a + b + c = -3, a + 3b + c = 9, a + b + 3c = -19, then find abc.

Guest Nov 22, 2021

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406

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Just a confusing question :(

What number must be placed in the box in the equation below to produce an equation that has more than one solution:

Guest Nov 22, 2021

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