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Post New Question
All Questions
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230440 Questions
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346
2
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?
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Guest
Sep 6, 2021
0
350
1
Polynomials
Consider the polynomials
f(x)=1-12x+3x^2-4x^3+8x^4
and
g(x)=3-2x-6x^3+9x^4.
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Guest
Sep 6, 2021
0
329
1
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
0
183
0
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
0
322
1
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
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417
4
Explain how the quadratic formula is connected to the completing the square process.
Explain how the quadratic formula is connected to the completing the square process.
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Guest
Sep 5, 2021
0
690
2
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
0
429
3
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?
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Guest
Sep 5, 2021
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182
0
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
0
169
0
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
0
190
0
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
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Guest
Sep 5, 2021
0
228
1
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
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329
1
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
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338
1
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
0
314
1
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
0
214
1
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
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229
1
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
0
250
1
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
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350
2
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
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Guest
Sep 5, 2021
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279
1
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
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Guest
Sep 5, 2021
+1
401
1
+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
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238
1
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
0
325
2
Tell whether the difference between the two integers is always, sometimes, or never positive. A negative integer and a positive integer
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
0
230
1
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
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340
1
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
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