All Questions ⁺⁰237681 Questions

0

439

1

Algebra

Find an ordered triple (x,y,z) of real numbers satisfying x ≤ y ≤ z and the system of equations

√x + √y + √z = 10
x + y + z = 42 read more ..

Guest Jul 29, 2021

0

262

0

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.

Guest Jul 29, 2021

0

427

1

Quadratic

The equation y = -6t^2 - 5t + 56 describes the height (in feet) of a ball thrown downward at 5 feet per second from a height of 56 feet from the surface from Mars. In how many seconds will the ball hit the ground? Express your answer as a decimal rounded read more ..

Guest Jul 29, 2021

0

371

1

Struggling a lot on this

The path of a general cycloid is parameterized by $x = r(t - \sin t)$ and $y = r(1 - \cos t).$ [asy] unitsize(0.5 cm); real t; path cycloid = (0,0); for (t = 0; t <= 6*pi; t = t + 0.1) { cycloid = cycloid--(t - sin(t),1 - cos(t)); } draw(cycloid,red);read more ..

Guest Jul 29, 2021

0

253

0

help plz

How many zeros are at the end of (100!)(200!)(300!) when multiplied out?

Guest Jul 29, 2021

0

279

0

Algebra

Find all values of t such that 6t - 2/3 + t/5 = 8 + (2 - t)/3
If you find more than one answer, enter every answer you find as list separated by commas.

Guest Jul 29, 2021

0

429

2

geometry

In triangle BCD, angle C = 90 degrees, CD = 3, and BD = sqrt(17) . What is tan B?

Guest Jul 29, 2021

Jul 28, 2021

0

428

1

help with numbers

What is the largest number, all of whose digits are 3 or 2 or 1, and whose digits add up to 11?

Guest Jul 28, 2021

0

317

0

Counting problem

Each point in the hexagonal lattice shown is one unit from its nearest neighbor. How many equilateral triangles have all three vertices in the lattice?

read more ..

Guest Jul 28, 2021

0

683

2

number theory help

Calculate $40^{13} \pmod{85}.$ Express your answer as a non-negative integer that is less than 85.

Guest Jul 28, 2021

0

352

1

Please answer this question

A stick has a length of $5$ units. The stick is then broken at two points, chosen at random. What is the probability that all three resulting pieces are shorter than $2$ units?

Guest Jul 28, 2021

0

388

1

Piecewise function

Let
f(x) = x - 3 if x <= 0
f(x) = 5x + 2 if x > 0
How many solutions does the equation f(f(x)) = 4 have? read more ..

Guest Jul 28, 2021

0

280

0

help with coloring

A 2x2x2 cube is to be constructed using 4 white and 4 black unit cubes. Adjacent cubes should have different colors. How many different cubes can be constructed in this way?
(Two cubes are not different if one can be obtained by rotating read more ..

Guest Jul 28, 2021

0

282

0

HELP PLS!

What is the area of the region in the graphs of y=2|x-3|-2 and y=4-2|x-2|?

Guest Jul 28, 2021

0

255

0

HELP PLS!!!

What is the area of the region in the graphs of y=2|x-3|-2 and y=4-2|x-2|?

Guest Jul 28, 2021

0

304

0

Domain

Let f(x) = 1/(5x - 2). Find the largest which is not in the domain of g(x) = f(f(x)).

Guest Jul 28, 2021

0

427

1

Domain

What is the smallest real number x in the domain of the function g(x) = sqrt((x + 3)^2 - (x - 8)^2)?

Guest Jul 28, 2021

0

439

1

Coordinates

Find the area of the region satisfying the inequality x^2 + y^2 <= 4x + 6y + 13 - 2x + 8y.

Guest Jul 28, 2021

0

655

3

hai!! help, thanks :)

hellooooo im having some trouble with a problem... I'm really bad at geo and im sorry for wasting your time, but i really need someone to walk me through:

Each vertex of this parallelogram has integer coordinates. The perimeter of read more ..

Guest Jul 28, 2021

0

339

1

Answer question please

A stick has a length of $5$ units. The stick is then broken at two points, chosen at random. What is the probability that all three resulting pieces are shorter than $2$ units?

Guest Jul 28, 2021

0

469

1

Coordinates

A circle centered at (0,-8) passes through the point (2,5). Find the equation of the circle. Write your equation in the form (x - h)^2 + (y- k)^2 = r^2.

Guest Jul 28, 2021

0

315

0

Please help

Diagonals AC and BD of a regular pentagon ABCDE intersect at H. Decide whether or not AHDE is a rhombus, and give your reasons.

Guest Jul 28, 2021

1 Online Users