All Questions

416

HELP FAST

Let X, Y, and Z be points such that XZ/XY = ZY/XY = 1/2. If Y = (1, 7), Z = (-1, -7), then what is the sum of the coordinates of X?

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Guest Dec 22, 2020

394

lines

Line m has the equation y = 3x + 5. Line n has the equation y = kx - 1. Lines m and n intersect at the point (-4, -7). What is the value of k?

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Guest Dec 22, 2020

411

number theory

What is the sum of all positive integers r that satisfy lcm[r, 700]=70000?

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Guest Dec 22, 2020

557

polynomial

Suppose the polynomial f(x) is of degree 3 and satisfies f(3) = 2, f(4) = 4, f(5) = -2, and f(6) = 8. Determine the value of f(0).

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Guest Dec 22, 2020

666

+94

Competition Math Question

Find all real numbers x and y such that

and
read more ..

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RandomUser Dec 22, 2020

441

Help please!

A cowboy agreed to work for one year for 19,200 plus a horse. He quit after 7 months and was paid 10,450 plus a horse. How many dollars was the horse worth, if the paid salary reflects the fair proportion of his yearly salary?

Monthly read more ..

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Guest Dec 22, 2020

575

parabolas

The parabolas defined by the equations y = x^2 + 4x + 6 and y = 2x^2 + 7x - 4 intersect at points and (a,b) and (c,d), where c >= a. What is c-a?

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Guest Dec 22, 2020

512

Find all values of x such that

Find all values of such that

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Guest Dec 22, 2020

445

I am confused with two problems

1. A bug starts at one corner of a solid rectangular prism with dimensions 2x3x5 units. If the bug wishes to move along the face of the prism to the opposite corner, what is the small possible distance the bug can walk?
answer should be in read more ..

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Guest Dec 22, 2020

345

need algebra help

Suppose f(x) is a polynomial of degree 4 or greater such that f(1) = 2, f(2) = 3, and f(3) = -4. Find the remainder when f(x) is divided by (x - 1)(x - 2)(x - 3).

Guest Dec 22, 2020

572

+284

Functions

Hi, can someone help me with these two problems? (Please also explain how you got the answers)

1. Let be defined by f(x) = x - 1/x. Show that f(x) has no inverse function.
2. Let be defined by g(x) = read more ..

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Caffeine Dec 22, 2020

338

need help

There are two pairs (x,y) of real numbers that satisfy the equation x + y = 4xy = 5. Given that the solutions x are in the form x = (a \pm b sqrt(c))/d , where a, b, c, and d are positive integers and the expression is completely simplified, what is the read more ..

Guest Dec 22, 2020

422

how to convert to interval notation?

how is this relatively simple expression expressed in interval notation?

thank you in advance!
read more ..

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Guest Dec 22, 2020

-1

654

+73

an unfavorable opinion of capital punishment given that they have untapped math skills.

a) an unfavorable opinion of capital punishment given that they have untapped math skills.
b) an unfavorable opinion of capital punishment or untapped read more ..

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GAMEMASTERX40 Dec 22, 2020

556

hard geo

ABCD is a unit square. E is the center of the square, and CF is tangent to the semicircle with diameter AD. Find the area of triangle DEF.

read more ..

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Guest Dec 22, 2020

377

Repost :)

If \[f(x) = \begin{cases} x^2-4 &\quad \text{if } x \ge -4, \\ x + 3 &\quad \text{otherwise}, \end{cases} \]then for how many values of $x$ is $f(f(x)) = 5$?

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Guest Dec 22, 2020

487

integer solutions

For how many integer values of a does the equation x^2 + ax + 18a = 0 have integer solutions for x?

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Guest Dec 22, 2020

-2

404

What is 10 times 10?

10 x 10 = 100!

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Guest Dec 22, 2020

414

geometry problem

You have a square that has a side length of 1 centimeter. Each minute, 2 centimeters are added to the side length. After 70 minutes, what will be the difference between the area of the last square and the area of the initial square in square centimeters read more ..

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Guest Dec 22, 2020

554

Can Someone Please Help Me?

Let and be the solutions of the equation . What is the value of ?

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Guest Dec 22, 2020

667

geometry

In a trapezoid ABCD with AB parallel to CD, the diagonals AC and BD intersect at E. If the area of triangle ABE is 50 units, and the area of triangle ADE is 40 square units, what is the area of trapezoid ABCD?

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Guest Dec 22, 2020

743

+466

A mathematician works for $t$ hours per day and solves $p$ problems per hour, where $t$ and $p$ are positive integers and $1

One day, the mathematician drinks some coffee and discovers that he can now solve problems per hour. In fact, he only works for hours that day, but he still solves twice as many problems as he would in a normal day. How many problems does read more ..

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dududsu2 Dec 22, 2020

633

help plz

A magazine advertisement states that a subscriber saves 75.6% off the cover price at news stands by purchasing a 17-issue subscription rather than purchasing the 17 issues separately at the cover price. If a 17-issue subscription costs $10.99, what read more ..

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Guest Dec 22, 2020

405

probability

Bob plays a game where, for some number n , he chooses a random integer between 0 and n-1 , inclusive. If Bob plays this game for each of the first three prime numbers, what is the probability that the sum of the numbers he gets is greater than read more ..

Guest Dec 22, 2020

-1

605

+73

military veteran status given that they have a favorable opinion of capital punishment. (How do I approach this kind of problem?)

a) military veteran status given that they have a favorable opinion of capital punishment.
b) a military veteran status and a favorable opinion read more ..

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GAMEMASTERX40 Dec 22, 2020

All Questions ⁺⁰237641 Questions

HELP FAST

lines

number theory

polynomial

Competition Math Question

Help please!

parabolas

Find all values of x such that

I am confused with two problems

need algebra help

Functions

need help

how to convert to interval notation?

an unfavorable opinion of capital punishment given that they have untapped math skills.

hard geo

Repost :)

integer solutions

What is 10 times 10?

geometry problem

Can Someone Please Help Me?

geometry

A mathematician works for $t$ hours per day and solves $p$ problems per hour, where $t$ and $p$ are positive integers and $1

help plz

probability

military veteran status given that they have a favorable opinion of capital punishment. (How do I approach this kind of problem?)

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