All Questions ⁺⁰237779 Questions

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275

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Number Theory

What is the greatest common divisor of 121^2 + 233^2 + 345^2 and 120^2 + 232^2 + 348^2?

Guest May 21, 2022

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329

1

Geometric sequence

A geometric sequece begins...
8,16,32,64...

Let x be 53rd term in this sequence. Compute read more ..

Guest May 21, 2022

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203

0

Algebra

Let f(x) = x^2 − 2x. Find all real numbers x such that f(x) = f(f(x)) + f(2x).

Guest May 21, 2022

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267

1

Domain question

Find the domain of the function (x^4 - 4x^3 + 6x^2 - 4x + 1)/(x^2 + 4)

Guest May 21, 2022

+1

215

0

+5

How many two digit numbers are even but no perfect square. plsssss quick answer me plassss quick

How many two digit number or even but a perfect square pls answer quick

Heydude May 21, 2022

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294

1

pls help

Jeri finds a pile of money with at least $200. If she puts $80 of the pile in her left pocket, gives away 1/3 of the rest of the pile, and then puts the rest in her right pocket, she'll have more money than if she instead gave away $200 of the read more ..

Guest May 21, 2022

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229

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Number Theory

How many of the 401 integers from -200 to 200 are congruent to 5 mod ?

Guest May 21, 2022

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213

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Domain

The domain of the function h(x) = sqrt{25-x^2} is an interval of what width?

Guest May 21, 2022

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219

0

Divisors

If we let f(n) denote the sum of all the positive divisors of the integer n, how many intergers i exist such that and 1 <= i <= 2010 and f(i) = i + 1?

Guest May 21, 2022

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205

0

Logarithms

What is the largest integer less than log_2(2/1) + log_2(3/2) + log_2(4/2) + ... + log_2(64/63)?

Guest May 21, 2022

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190

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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 May 21, 2022

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202

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help quadratic

The solutions of x(2x-7)=3+5x may be expressed in the form (m + sqrt(n))/p and (m - sqrt(n))/p, where m, n, and p are relatively prime numbers. Find m+n+p.

Guest May 21, 2022

-2

353

1

+79

On the line segment connecting A and B, the point P is 4/7 of the way from B to A. If for some scalars a and b, what is (a,b)?

On the line segment connecting A and B, the point P is 4/7 of the way from B to A. If for some scalars a and b, what is (a,b)?

imbadatmath May 21, 2022

+1

377

2

+590

The graph of $y=f(x)$ is shown in red below. For how many values of $c$ is $f(c) = -1$?

The graph of y=f(x) is shown in red below. For how many values of c is f(c)=-1?

weredumbmaster22 May 21, 2022

+1

350

2

+590

Find value of b

Find the value of b given that:
\[ \dfrac b 7 + \dfrac {b^2}{7^2} + \dfrac {b^3}{7^3} + \cdots = 7.\]

weredumbmaster22 May 21, 2022

0

367

4

HELPP QUICK PLSSS

Find all real values of x such that

Guest May 21, 2022

0

446

2

Geometric sequence

How many terms are in the geometric sequence?
3, 3 \sqrt 2, 6, \dots, 96, 96 \sqrt 2, 192, 192 \sqrt 2, \dots, 3072

Guest May 21, 2022

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242

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Vectors

My cat is standing on the plane $3x+2y+z = 4.$ Its head is at $(0,-1,-3)$ and the tip of its tail is at $(-4,-2,12).$ Measured from the plane, what is the difference between the height of my cat's head and my cat's tail? Enter your answer in the form $\frac{a read more ..

Guest May 21, 2022

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223

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Probability

Ben twice chooses a random integer between 1 and 50 inclusive, twice (and he may choose the same integer both times). What is the probability that at least one of the numbers Ben chooses is a multiple of ?

Guest May 21, 2022

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217

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Inequality

My street hockey team plays three games each week. My team lost all 12 games in the first four weeks. Then, my team won two games and lost one game in the fifth week, bringing our record to 2 wins and 13 losses. Each week after that, read more ..

Guest May 21, 2022

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272

1

Counting

Find the number of 10-digit numbers, where the sum of the digits is divisible by

Guest May 21, 2022

0

285

1

Product

Determine the value of the infinite product

Enter your answer in the form "\sqrt[a]{b}"

Guest May 21, 2022

0

222

0

Floor function

Let f(x) = x + floor(x) for x >= 0.

(a) Find all x >= 0 such that f(x) = 1.
(b) Find all x >= 0 such that f(x) = 3. read more ..

Guest May 21, 2022

0

228

0

Factors

For how many positive integer values of n is 3n a factor of 15!

Guest May 21, 2022

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