All Questions

231

Coordinates

What is the area of the region defined by the equation x^2 + y^2 - 13 = 4y - 12x + 3?

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Guest Feb 14, 2022

233

help

If $f(x) = \frac{3x-2}{x-2}$, what is the value of $f(-2) +f(-1)+f(0)$? Express your answer as a common fraction.

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Guest Feb 14, 2022

+13

331

+162

I know this is not a question but.

Happy Valentine everyone

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FizzyShxwtyXXMari Feb 14, 2022

186

Help!!!

The Math Club at Jacob's school has 12 members (including Jacob) They need to choose a 3-person MathCounts Committee and a 4-person Math Olympiad Committee. Students can serve on either or both committees , but Jacob refuses to serve on both he will only read more ..

Guest Feb 14, 2022

334

How many 4-letter words can we make from the letters A, B, C, and D, we are allowed to repeat letters, and we must use the letter B at least

How many 4-letter words can we make from the letters A, B, C, and D, we are allowed to repeat letters, and we must use the letter B at least once ? (Show 2 different methods clearly

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Guest Feb 14, 2022

326

Algebra

Find the smallest value of x such that x^2 + 10x + 25 = 64.

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Guest Feb 14, 2022

241

help counting

How many positive integers less than or equal to 10,000 are divisible by 2, 5, 10, or 12?

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Guest Feb 14, 2022

302

help complex numbers

Let z be a complex number such that |z| = 1. Find the largest possible value of |z^2 - 1|.

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Guest Feb 14, 2022

317

Could someone explain these two pleaseP. I have no idea what to do.

1. 6m + 11 = 25 - m

2. 4(x - 5) = 7 - 5(3 - 2x)

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Guest Feb 14, 2022

248

Number Theory

The greatest common divisor of two integers is x + 5 and their least common multiple is x(x + 5) , where x is a positive integer. If one of the integers is 60, what is the smallest possible value of the other one?

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Guest Feb 14, 2022

181

Probability problem

Bag A contains 3 white and 2 red balls. Bag B contains 5 white and 3 red balls. One of the two bags will be chosen at random, and then two balls will be drawn from that bag at random without replacement. What is the probability that the two read more ..

Guest Feb 14, 2022

186

Counting

How many ways are there to put 5 balls in boxes if the balls are not distinguishable and neither are the boxes?

Guest Feb 14, 2022

294

Complex Numbers

Simplify (1 + i*sqrt(3))^6/(1 + i*sqrt(3))^4.

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Guest Feb 14, 2022

184

Counting problem

marvin the fly starts at (0,0) each step, marvin moves one unit right or one unit up. he is trying to get to the point (5,7). however, at there is a frog that will eat him if he goes through that point. in how many ways can marvin reach (5,7)? read more ..

Guest Feb 14, 2022

312

Algebra

Given that 1/x + 1/y = 5, 3xy + x + y = 4 + x + y, compute x^2*y + x*y^2.

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Guest Feb 14, 2022

197

Function

Let f(x) = 2x - 3 and g(f(x)) = 5 - 4x + 7x - 8. Find g(4).

Guest Feb 14, 2022

-2

298

help coordinates

The square with vertices (-a,-a), (a,-a), (-a,a), (a,a) is cut by the line into congruent quadrilaterals. The perimeter of one of these congruent quadrilaterals divided by a equals what?

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Guest Feb 14, 2022

281

Algebra

Find all values of y that satisfy the equation y/3 + 1 = (y + 3)/y + 7.

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Guest Feb 14, 2022

181

plz help

What is the constant term in the expansion of (sqrt(x) + 5x)^12.

Guest Feb 14, 2022

186

Quadratic

Find all real numbers k for which the equation (k-5)x^2-kx+5=4x+7 has exactly one real solution.

Guest Feb 14, 2022

284

Algebra

Let u and v be the solutions to 3x^2 + 5x + 7 = 0. Find u^2 + v^2.

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Guest Feb 14, 2022

294

trig question

Find the integer n, -90 < n < 90, such that tan n^\circ = tan

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Guest Feb 14, 2022

312

Quadratic

Fill in the blank to make the quadratic below the square of a binomial:
9x^2 + 5x + ___

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Guest Feb 14, 2022

183

Quadratic

If is an integer and the root(s) of the quadratic expression 1/2*x^2 + sx - 1/3 = 0 are integers, find the sum of all possible values of s.

Guest Feb 14, 2022

322

Algebra

Rationalize (sqrt(2) + sqrt(3))/(sqrt(10) + sqrt(14) + sqrt(15) + sqrt(21))

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Guest Feb 14, 2022

All Questions ⁺⁰235546 Questions

Coordinates

help

I know this is not a question but.

Help!!!

How many 4-letter words can we make from the letters A, B, C, and D, we are allowed to repeat letters, and we must use the letter B at least

Algebra

help counting

help complex numbers

Could someone explain these two pleaseP. I have no idea what to do.

Number Theory

Probability problem

Counting

Complex Numbers

Counting problem

Algebra

Function

help coordinates

Algebra

plz help

Quadratic

Algebra

trig question

Quadratic

Quadratic

Algebra

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