All Questions

427

Sequence

The Lucas sequence is the sequence 1, 3, 4, 7, 11,... where the first term is 1, the second term is 3 and each term after that is the sum of the previous two terms. What is the remainder when the 100th term of the sequence is divided by 20? read more ..

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Guest Sep 6, 2021

448

Polynomials

Consider the polynomials
f(x)=1-12x+3x^2-4x^3+8x^4
and
g(x)=3-2x-6x^3+9x^4. read more ..

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Guest Sep 6, 2021

427

Function

Write an exponential function in the form y=ab^x that goes through points (0,4) and (2,324)

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Guest Sep 6, 2021

272

Probability

Rolling four standard dice, what is the probability that the product of the four results is even and less than or equal to 6?

Guest Sep 6, 2021

418

geometry

In triangle ABC, CA=4sqrt(2), CB=4sqrt(5), and A=60 degrees. What is B in degrees?

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Guest Sep 6, 2021

Sep 5, 2021

501

Explain how the quadratic formula is connected to the completing the square process.

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Guest Sep 5, 2021

770

Combination, please help

Carla selects 5 fruit-flavored candies from a bowl containing 6 apple, 5 banana and 4 cherry candies. How many possible combinations of candies can Carla select?

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Guest Sep 5, 2021

503

geometry

In pentagon ABCDE , BC = CD = DE = 2 units, angle E is a right angle and angle B = angle C = angle D = 60 . The length of segment can be expressed in simplest radical form as AE = a + b*sqrt(c) units. What is the value of a + b + c? read more ..

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Guest Sep 5, 2021

277

geometry

In the diagram, two pairs of identical isosceles triangles are cut off of square ABCD, leaving rectangle PQRS. The total area cut off is 200cm^2 . What is the length of AB , in meters?

Guest Sep 5, 2021

251

Counting

How many arrangements of the numbers 1,2,3,...,7,8,9 are there where the sum of any two adjacent numbers is odd?

Guest Sep 5, 2021

274

Please Answer using Linear Equations and variables

Please Answer using Linear Equations and variables
A cyclist travels at 20 kilometers per hour when cycling uphill, 24 kilometers per hour when cycling on flat ground, and 30 kilometers per hour when cycling downhill. On a sunny day, they cycle read more ..

Guest Sep 5, 2021

319

help math

If n gives a remainder of 3 when divided by 7, then what remainder does n^2+1 give when divided by 7?

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Guest Sep 5, 2021

434

geometry

What is the numerical value of the product of the lengths of all diagonals of a regular pentagon of side length 1?

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Guest Sep 5, 2021

420

geometry

What is the radius of the circle inscribed in triangle ABC if AB = 12, AC=14, BC=18? Express your answer in simplest radical form.

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Guest Sep 5, 2021

420

help geometry

Given right triangle ABC with altitude BD drawn to hypotenuse AC. If AC=19 and DC=5, what is the length of BC in simplest radical form? (Note: the figure is not drawn to scale.)

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Guest Sep 5, 2021

299

Geometry Question

Let ABC be a triangle where $\angle ABC = 90^\circ$. Draw point $Z$ on $AB$ such that $CB=CZ$, draw point $Y$ on $AC$ such that $CZ=YZ$, draw point $X$ such that $YZ=YX$, and draw point $W$ such that $YX=WX=AW$. Find $\angle A.$

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Guest Sep 5, 2021

321

geometry

What is the radius of the circle inscribed in triangle ABC if AB = 15, AC = 41, and BC = 57?

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Guest Sep 5, 2021

339

help geometry

The triangle ABC is an isosceles triangle where AB = 4*sqrt(2) and angle A is a right angle. If I is the incenter of ABC then what is BI?

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Guest Sep 5, 2021

421

Counting

The Petersonian alphabet consists of the 5 letters: O, R, Z, S, T. Any sequence of 1-8 letters is a valid word in this language (including words with repeated letters). How many different words does the Petersonian language read more ..

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Guest Sep 5, 2021

374

Spheres

Here are 3 spheres. The volume of sphere Q is 50% more than the volume of sphere P .The volume of sphere R is 50% more than the volume of sphere Q.Find the volume of sphere P as a fraction of the volume of sphere R
Put your answer in the form a/b read more ..

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Guest Sep 5, 2021

502

+102

Geometry

I'm having trouble with this question:

Using English, describe the conditions for a locus to form a ray.

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AnxiousLlama Sep 5, 2021

333

help geometry

If the degree measure of an arc of a circle is increased by 20% and the radius of the circle is increased by 35% , by what percent does the length of the arc increase?

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Guest Sep 5, 2021

397

Tell whether the difference between the two integers is always, sometimes, or never positive. A negative integer and a positive integer

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Guest Sep 5, 2021

320

Need help asap

Find an angle such that its supplement is equal to 16 times its compliment.

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Guest Sep 5, 2021

440

Coordinates

What is the y-coordinate of the point on the y-axis that is equidistant from points (-2, 0) and (-1, -4)?

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Guest Sep 5, 2021

All Questions ⁺⁰237720 Questions

Sequence

Polynomials

Function

Probability

geometry

Explain how the quadratic formula is connected to the completing the square process.

Combination, please help

geometry

geometry

Counting

Please Answer using Linear Equations and variables

help math

geometry

geometry

help geometry

Geometry Question

geometry

help geometry

Counting

Spheres

Geometry

help geometry

Tell whether the difference between the two integers is always, sometimes, or never positive. A negative integer and a positive integer

Need help asap

Coordinates

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