All Questions ⁺⁰237313 Questions

0

255

1

coordinates

If a is the x-intercept, b is the y-intercept, and m is the slope of the line with equation 4x + 12y = 1, then what is the value of a + b + m?

Guest Jun 28, 2022

0

178

0

help algebra

Let x and y be real numbers such that 2(x^2 + y^2) = x + y. Find the maximum value of x - 2y.

Guest Jun 28, 2022

+3

286

1

+191

Advanced Combinatorics

Question:

8 rooks are randomly placed on different squares of a chessboard. A rook is said to attack all of the squares in its row and its column.
Compute the probability that every square is occupied or attacked by at read more ..

OrangeJuicy Jun 28, 2022

0

291

1

help algebra

How many integers have an absolute value less than 20pi + 5*sqrt(2) + 12*sqrt(2)?

Guest Jun 28, 2022

0

170

0

help algebra

Let y = (x - 3)/(x + 7) + (x - 8)/(x + 7) + 1/3. The equation can be expressed in the form (x+a)(y+b)=c. Find a, b, c.

Guest Jun 28, 2022

0

251

1

algebra

The average of x + 6,6x + 2, and 2x +8 is 4x-7. What is x?

Guest Jun 28, 2022

0

287

1

number theory

What is the smallest positive multiple of 6 that is also a multiple of 8 and 27?

Guest Jun 28, 2022

0

286

2

Parabolas

Two parabolas are the graphs of the equations y=2x^2-7x+1 and y=8x^2+6x+1. Give all points where they intersect. List the points in order of increasing x-coordinate, separated by semicolons.

Guest Jun 28, 2022

0

299

1

Joint work

A and B working together can finish a job in 40 days. They worked together for a number days and A left the work. B alone finished the remaining work in 24 days. For how many days did they work together? Thanks for help.

Guest Jun 28, 2022

0

267

1

coordinates

The circle centered at (2,-1) and with radius 4 intersects the circle centered at (2,6) and with radius sqrt(18) at two points A and B. Find (AB)^2.

Guest Jun 28, 2022

0

259

1

Inequality

Solve the inequality 2x - 5 <= -x + 12 + 3x - 7. Give your answer as an interval.

Guest Jun 28, 2022

0

272

1

trig equation

If sec(x) + tan(x) = 4/3, then find sin(x).

Guest Jun 28, 2022

Jun 27, 2022

0

257

1

coordinates

Find the distance between the x-intercept and the y-intercept of the graph of the equation 3x - 7y = 21 + 2x - 5y.

Guest Jun 27, 2022

0

233

1

complex numbers

Convert $2 e^{\pi i/4}$ to rectangular form.

Guest Jun 27, 2022

0

263

1

number theory

Find the smallest positive integer such that the product of its digits is 60.

Guest Jun 27, 2022

0

260

2

Proving Convergence

Question: Let be a sequence of positive real numbers. Prove that if converges, then so does where is a positive integer.

What I have tried: read more ..

Guest Jun 27, 2022

0

206

0

+75

HELP GEOMETRY

Point F lies in △ABC, such that the extension of BF intersect AC at E, the extension of CF intersect AB at D. Suppose the areas of △BDF, △CEF, quadrilateral ADFE are 2, 3, 4, read more ..

HelpMePlssss Jun 27, 2022

0

275

2

help probability

If I choose four cards from a standard 52-card deck,with replacement, what is the probability that I will end up with one card from each suit, and that each card is Jack, Queen, or King?

Guest Jun 27, 2022

0

233

1

pentagon

The interior angle measures of a pentagon form an arithmetic progression. The difference between the largest and smallest angle measures is 68 degrees. Find the measure of the smallest angle, in degrees.

Guest Jun 27, 2022

+1

294

2

+42

HELP PLS

Find the equation whose graph is shown below. Write your answer in standard form which is Ax + By=C, where a is positive, and A, B, and C are integers with greatest common diviser 1.
read more ..

itsTim77 Jun 27, 2022

+1

248

1

+42

HELP

Line L1 is horizontal and passes through (-5,8). Line L2 is vertical and passes through (4,-1). Find the point of intersection of L1 and L2.

itsTim77 Jun 27, 2022

0

238

1

number theory

The positive integer n has the following properties:

* n is even
* when n is divided by 5, the remainder is 1 read more ..

Guest Jun 27, 2022

0

265

1

help math

What is the sum of the integers between sqrt(47) and the sqrt(206)?

Guest Jun 27, 2022

0

227

2

Help

If is an element of the set and is an element of , how many distinct values of are positive?

Guest Jun 27, 2022

0 Online Users