All Questions

262

Number Theory

how many positive perfect cubes does (3^5)(5^12) have?

●●

Guest Aug 1, 2022

269

Find a polynomial $f(x)$ of degree $5$ such that both of these properties hold: $\bullet$ $f(x)$ is divisible by $x^3$. $\bullet$ $f(x)+2$

Find a polynomial $f(x)$ of degree $5$ such that both of these properties hold: $\bullet$ $f(x)$ is divisible by $x^3$. $\bullet$ $f(x)+2$ is divisible by $(x+1)^3$.

●

Guest Aug 1, 2022

298

percentages - decimals

how do you convert percentages to decimals

Vinculum ●

Guest Aug 1, 2022

328

number theory

For how many positive integers n less than 100 is 5^n + 8^n + 13^n + 17^n a multiple of 6?

●●

Guest Aug 1, 2022

306

Algebra

Let $f(x) = \left\lfloor \frac{2 - x}{x + 5} \right\rfloor$. Evaluate f(1) + f(2) + f(3) + ... + f(999) + f(1000).

●

Guest Aug 1, 2022

311

+140

Find the minimum value of a function with only real numbers as x and y

Find the minimum value of

x^2 + xy + y^2 + x + y + 1
read more ..

●●

sherwyo Aug 1, 2022

324

Algebra

Two parabolas are the graphs of the equations y= 2x^2 - 7x + 1 and y = 8x^2 - 25x + 13. Give all points where they intersect. List the points in order of increasing x-coordinate, separated by semicolons.

Vinculum ●

Guest Aug 1, 2022

307

Floor function

How many positive integers n satisfy $\lfloor \sqrt[3]{n} \rfloor = 5$?

●●●●●

Guest Aug 1, 2022

Jul 31, 2022

262

Polygons

How many sides would there be in a convex polygon if the sum of all but one of its interior angles is 10700 degrees?

●

Guest Jul 31, 2022

257

help floor function

Evaluate $\lfloor \sqrt{1} \rfloor + \lfloor \sqrt{2} \rfloor + \lfloor \sqrt{3} \rfloor + \dots + \lfloor \sqrt{25} \rfloor$.

●●

Guest Jul 31, 2022

279

help geometry

D is on side AC of Triangle ABC. We know [ABC] = 120, AD = 8, DC = 3. What is [ABD]?

●●

Guest Jul 31, 2022

294

+275

How many three-digit positive integers have three different digits and at least one prime digit?

●●

Jasonkiln Jul 31, 2022

-1

300

+275

How many numbers are in the list 433, 429, 425, ... -103, -107?

●●

Jasonkiln Jul 31, 2022

-1

289

+275

How many positive integers less than or equal to 1000 are multiples of 3 or 4 but not 5?

●●

Jasonkiln Jul 31, 2022

277

How many positive integers less than or equal to are multiples of or but not ?

How many positive integers less than or equal to 1000 are multiples of 3 or 4 but not 5?

●

Guest Jul 31, 2022

318

Confused

Every student in the school math club is either in 7thth or 8th grade, and either has blue, green, or brown eyes. There are 46 students in the math club. Of these students, 9 students are 7th graders with blue eyes, 9 students are 8th graders with read more ..

●●

Guest Jul 31, 2022

257

Help pls

At Roxas Middle School, every student studies Spanish, Chinese, or both Spanish and Chinese. There are students enrolled at the school, and of these students study both Spanish and Chinese. Also, the number of students studying Spanish read more ..

●

Guest Jul 31, 2022

285

Probability

Two different numbers are selected simultaneously and at random from the set {1,2,3,4,5,6,7}. What is the probability that the positive difference between the two numbers is 3 or greater? Express your answer as a common fraction.

●●●

Guest Jul 31, 2022

297

Algebra

Simplify (1+3+5+...+199)/(2+4+6+...+198+200+202).

●

Guest Jul 31, 2022

285

circles

Two perpendicular chords AB and CD intersect at P. If PA = 4, PB = 10, and CD = 13, calculate the length of P to the center of the circle

●

Guest Jul 31, 2022

338

+30

help pls

Find all values of $x$ such that $6= \dfrac{35}{x} -\dfrac{49}{x^2}$. If you find more than one value, then list your solutions in increasing order, separated by commas.

●

Gordn Jul 31, 2022

290

floor function

If $\lfloor x \rfloor + x = 4.8$, solve for x.

●

Guest Jul 31, 2022

259

Square roots

Calculate sqrt(60x)*sqrt(12x)*sqrt(63x)*sqrt(42x). Express your answer in simplest radical form in terms of x. Note: When entering a square root with more than one character, you must use parentheses or brackets. For example, you should enter sqrt(14) as read more ..

●

Guest Jul 31, 2022

All Questions ⁺⁰237785 Questions

Number Theory

Find a polynomial $f(x)$ of degree $5$ such that both of these properties hold: $\bullet$ $f(x)$ is divisible by $x^3$. $\bullet$ $f(x)+2$

percentages - decimals

number theory

Algebra

Find the minimum value of a function with only real numbers as x and y

Algebra

Floor function

Polygons

help floor function

help geometry

How many three-digit positive integers have three different digits and at least one prime digit?

How many numbers are in the list 433, 429, 425, ... -103, -107?

How many positive integers less than or equal to 1000 are multiples of 3 or 4 but not 5?

How many positive integers less than or equal to are multiples of or but not ?

Confused

Help pls

Probability

Algebra

circles

help pls

floor function

Square roots

0 Online Users

Top Users

Sticky Topics