All Questions

536

help plz

Simplify sqrt{28x} * sqrt{15x} * sqrt{20x}. Express your answer in simplest radical form in terms of x.

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Guest Oct 19, 2020

510

absolute value

Given that x < 5, rewrite x - | x - 5 | without using absolute value signs.

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Guest Oct 19, 2020

453

Trig help?

State the angle sum identity for sine in terms of the angles and .

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Guest Oct 19, 2020

317

question very important

Let n be a positive integer and let k be the number of positve integers less than 2^n.If 2^n is congruent to 3 (mod 13), then what is the remainder when k is divided by 13?

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Guest Oct 19, 2020

475

absolute value

What is the least possible value of the sum | x - 1 | + | x - 1.5 | + | x - 3 |?

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Guest Oct 19, 2020

1176

Evaluate f (x) at K

How do you evaluate f (x) at k?

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Guest Oct 19, 2020

610

Find a linear inequality with the following solution set.

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

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Guest Oct 19, 2020

463

3d geo

A molasses can is made up with a cylindrical base having a radius of 6 cm that is topped by a smaller cylindrical pouring spout with a radius 2 cm. When upright the top of the molasses is 14 cm above the base of the can but when turned over the top of the read more ..

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Guest Oct 19, 2020

518

ratio of volumes

What is the ratio of the volume of cone A to the volume of cone B? Express your answer as a common fraction.

Cone A has a height of 3 and a radius of 8.
Cone B has a height of 8 and a radius of 3. read more ..

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Guest Oct 19, 2020

690

I NEED HELP

Andy, Beth, Charlie, and Daniel take a test with thirty questions. Andy and Beth together get the same number of questions wrong as Charlie and Daniel together. Andy and Daniel together get four more questions wrong than Beth and Charlie do together. If read more ..

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Guest Oct 19, 2020

330

geometry

We have a triangle ABC and a point K on BC such that AK is an altitude to triangle ABC. If AC = 10, BK = 7, and BC = 12, then what is the area of triangle ABC?

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Guest Oct 19, 2020

Oct 18, 2020

492

+71

Help Please

Ok help

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Mr.CoolPro Oct 18, 2020

728

+324

What does this sign mean?

I know I sound a little stupid by saying this, but in one of my textbooks, I saw this sign and I got all confused. What does it mean and how is it any different from the second one?

Image 1: read more ..

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Nacirema Oct 18, 2020

494

help with counting

Mary has 6 identical basil plants, and three different window sills she can put them on. How many ways are there for Mary to put the plants on the window sills, if no window sill can have all six plants?

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Guest Oct 18, 2020

486

A cone is created by rotating

A cone is created by rotating a right triangle with leg length 3 and leg length 4 about the leg of length 4. Its surface area is pi times what number?

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Guest Oct 18, 2020

291

geometry

ABCD is a square of side length 1, and M and N are the midpoints of sides AB and CD, respectively. AM and DC intersect at P. Find the area of triangle APM.

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Guest Oct 18, 2020

323

domain

Suppose the domain of f is (-1,1). Define the function k by h(x) = f(8x^3 + sqrt(x)). What is the domain of h?

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Guest Oct 18, 2020

331

pls help

Triangle ABC is inscribed in equilateral triangle PQR, as shown. If PC = 3, BP = CQ = 1, and angle ACB = 90 degrees, then compute AQ.

read more ..

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Guest Oct 18, 2020

323

domain

Suppose the domain of f is (-1,1). Define the function k by k(x) = k(sqrt(x + 2) + 2). What is the domain of k?

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Guest Oct 18, 2020

711

function

Some functions that aren't invertible can be made invertible by restricting their domains. For example, the function x^2 is invertible if we restrict x to the interval [0inf), or to any subset of that interval. In that case, the inverse function is sqrt(x). read more ..

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Guest Oct 18, 2020

308

domain

Suppose the domain of f is (-1,1). Define the function g by j(x) = f(1/(1 - x)). What is the domain of j?

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Guest Oct 18, 2020

504

what is Given U={Counting Numbers Less Than 8} A={prime numbers less than 8} List The element/s of U and A

Guest Oct 18, 2020

455

domain

Suppose the domain of f is (-1,1). Define the function g by g(x) = f(x - 1). What is the domain of g?

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Guest Oct 18, 2020

583

median of a triangle

A median of a triangle is a line segment from a vertex of a triangle to the midpoint of the opposite side of the triangle. Below, the three medians of the black triangle are shown in red.

Notice that the three medians appear to pass read more ..

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Guest Oct 18, 2020

497

URGENT HELP PLZ

Find all complex numbers z such that z^4=-4

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Guest Oct 18, 2020

All Questions ⁺⁰230606 Questions

help plz

absolute value

Trig help?

question very important

absolute value

Evaluate f (x) at K

Find a linear inequality with the following solution set.

3d geo

ratio of volumes

I NEED HELP

geometry

Help Please

What does this sign mean?

help with counting

A cone is created by rotating

geometry

domain

pls help

domain

function

domain

what is Given U={Counting Numbers Less Than 8} A={prime numbers less than 8} List The element/s of U and A

domain

median of a triangle

URGENT HELP PLZ

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