All Questions ⁺⁰232613 Questions

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factors

Let P (n) denote the number of factors of n. Find all values of n which satisfy P(n) = n.

Guest Jul 8, 2021

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224

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help coordinates

A vertical line divides the triangle with vertices (0,0), (1,1) and (9,1) in the coordinate plane into two regions of equal area. The equation of the line is x = ?

Guest Jul 8, 2021

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307

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Please Help on Rational Equations Problem

Find the sum of all complex solutions of the equation

Help is appreciated

Guest Jul 8, 2021

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324

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HELP!

Rectangle contains a point such that . Find .

Guest Jul 8, 2021

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392

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help pls

Let line 1 be the graph of 5x+8y=-9. Line 2 is perpendicular to line 1 and passes through the point (10,-10). If line 2 is the graph of the equation y=mx+b, then find m+b.

Guest Jul 8, 2021

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203

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plz help

For a certain value of k, the system

3a + 4b = 7,
6a + 4b = k - 3a - 8b read more ..

Guest Jul 8, 2021

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201

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help with quadratic

Let a be a real number for which there exists a unique value of b such that the quadratic equation x^2 + 2bx + (a - 2b) = 0 has one real solution. Find a.

Guest Jul 8, 2021

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255

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need help

In the diagram, angle u= 30 degrees. Arc XY is 170 degrees, and arc VW is 120 degrees. Find arc WY, in degrees.

Guest Jul 8, 2021

Jul 7, 2021

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304

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Help

A trapezoid has vertices at A(1, 2), B(-2, 1), C(-4, -2), and D(2, 0). a) Show that the line segment joining the midpoints of BC and AD is parallel to both AB and CD. b) Show that the length of this line segment is half the sum of the lengths of the parallel read more ..

Guest Jul 7, 2021

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380

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Help please

Let

For how many integers n from 1 to 100, inclusive, does for some number of applications of f ?

Guest Jul 7, 2021

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help quadratic

For what values of j does the equation (2x + 7)(x + 43) = -5 + jx have exactly one real solution? Express your answer as a list of numbers, separated by commas.

Guest Jul 7, 2021

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397

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+313

Fractions

The Rocketeers have won 4/11 of the 132 games they've played against the Lasers. Assuming there are no ties, how many games have the Lasers lost?

apsiganocj Jul 7, 2021

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211

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Absolute Value

Find all real numbers x that satisfy the equation |x + 4| + |x - 6| = |2x - 1|.

Guest Jul 7, 2021

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569

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Help please! thanks!

(1) The first and thirteenth terms of an arithmetic sequence are 5 and 29, respectively. What is the fiftieth term?

(2) The pages of a book are numbered through . When the page numbers of the book were read more ..

Guest Jul 7, 2021

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319

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Surface area

How do you find the surface area of a hemisphere with these measurements-
Radius-2.5cm
Diameter-5cm

Guest Jul 7, 2021

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204

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help with polynomial

The polynomial f(x)=x^3-x^2-6kx+4k^2 where k is a constant has (x-3)as a factor. Find the possible values of k and for the integral value of k find the remainder when f(x) is divided by x+2.

Guest Jul 7, 2021

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353

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Analytic geometry

Find the equation of the line in slope intercept form that is perpendicular to 2x-3y-12=0 and passes through the point (-3, 5). show your work

Guest Jul 7, 2021

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331

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help algebra

2/x + 2/y = 30
x + y = 10

If the above equations are true simultaneously, then find the value of xy. read more ..

Guest Jul 7, 2021

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345

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help with algebra

There are real numbers A and B such that
(5x + 16)/(x^2 - 7x + 10) = A/(x - 2) + B/(x - 5).
Find A + B.

Guest Jul 7, 2021

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485

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+875

Functions and How They Identify

Word Bank: increasing, decreasing, even, odd, invertible
Find the identification(s) of each of these functions. If there is none, put "Null" and if there are multiple, put the first letter of their identification along with the rest. (e.g. $f(x) read more ..

MathProblemSolver101 Jul 7, 2021

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236

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Please Help!

Solve the inequality 2x-5>-x+12. Give your answer as an interval.

Guest Jul 7, 2021

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299

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Please help!

If f(0)=0,f(1)=2,f(2)=5 and f(x)=ax^2+bx+c, what is the value of f(3)?

Guest Jul 7, 2021

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233

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Please Help!

Find a linear inequality with the following solution set. Each grid line represents one unit.

(Give your answer in the form ax+by+c>0 read more ..

Guest Jul 7, 2021

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238

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Help please

The points P = (x1, y1) and ! = (x2, y2) are the intersections of the parabola y^2 = 4ax, where a > 0, and a line passing through the focus of the parabola. Then the distance PQ can be expressed in the form c1x1 + c2x2 + c3a, where c1, c2, and c3 are read more ..

Guest Jul 7, 2021

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