All Questions

326

help algebra

Let a and b with a>b>0 be real numbers satisfying a^2+b^2=4ab. Find a/b - b/a.

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Guest May 28, 2022

281

I need this factoring question solved by the end of tonight.

Factor

Please write a proof explaining how to factor this. read more ..

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Guest May 28, 2022

236

quadrilateral

A quadrilateral has angles of q, 5q + 15, 3q + 25, and 3q + 70. Find the largest angle of the quadrilateral, in degrees

Guest May 28, 2022

280

Consider this system of simultaneous equations

Consider this system of simultaneous equations

Let a = 3x, b = 5y, c = -6z
read more ..

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Guest May 28, 2022

228

Quadratic

There exist constants a,h,k and such that 3x^2+72x+4=a(x-h)^2+k
for all real numbers x Enter the ordered triple (a,h,k)

Guest May 28, 2022

214

Parabola

Find the vertex of the graph of the equation x-y^2+18y=18

Guest May 28, 2022

274

Fractions

For how many integer values of between 1 and 474 inclusive does the decimal representation of terminate?

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Guest May 28, 2022

321

+113

Math

Caleb is playing games on his computer. He finished 2/5 of the levels last week and 1/3 of the remaining levels this week. He had 24 more levels to complete. How many levels does the games have?

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tacoBRO1023 May 28, 2022

331

+113

Math

Brian saved 4/5 of his paycheck and spent 1/2 of the remaining money. He was then left with $3. What was the original value of Brian's paycheck?

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tacoBRO1023 May 28, 2022

228

geometric series

Calculate the sum of the geometric series 1 - 1/5 + 1/5^2 - 1/5^3 + .... Express your answer as a common fraction.

Guest May 28, 2022

218

Quadratic

There exist constants a, h, and k such that 3x^2 + 16x + 4 = a(x - h)^2 + k.
for all real numbers x. Enter the ordered triple (a,h,k)

Guest May 28, 2022

243

Counting

I have 5 different mathematics textbooks and 4 different psychology textbooks. In how many ways can I place the 9 textbooks on a bookshelf, in a row, if there must be a psychology textbook in the middle?

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Guest May 28, 2022

237

Algebra

The average of 10 numbers is 85. If the numbers 70 and are removed from the set of numbers, what is the average of the remaining numbers?

Guest May 28, 2022

287

I need some help finding this solution

Consider this system of simultaneous equations

Let a = 3x, b = 5y, c = -6z
read more ..

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MathLover101 May 28, 2022

351

+187

geometric series

Suppose that a, b, and c are real numbers for which

. If a < b < c, find 3b. Don't know where to start. Any help or hints will be appreciated.

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idontknowhowtodivide May 28, 2022

310

+180

Binomial Expansion

What binomial power does the binomial expansion represent? Indicate the binomial base as well as the exponent. read more ..

DumbDude05 May 28, 2022

335

parametric equations

Help would be greatly appreciated :)

What is the rectangular form of the parametric equations? read more ..

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Guest May 28, 2022

279

geometry

What is the area of the figure

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Guest May 28, 2022

341

I NEED HELP ASAP ASAP

Let $f(x) = \left\lceil\dfrac{1}{x+2}\right\rceil$ for $x > -2$, and $f(x) = \left\lfloor\dfrac{1}{x+2}\right\rfloor$ for $x < -2$. ($f(x)$ is not defined at $x = -2$.) Which integer is not in the range of $f(x)$?

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Guest May 28, 2022

263

A catering assistant has 2 litres of orange juice. How many 200 ml glasses can she fill with the juice?

A catering assistant has 2 litres of orange juice.
How many 200 ml glasses can she fill with the juice?

Guest May 28, 2022

313

gcd

Let f(x) = x^2 - x + 2010. What is the greatest common divisor of f(100) and f(107)?

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Guest May 28, 2022

215

Graphing question

The area of the triangle formed by x- and y-intercepts of the parabol y=0.5(x-3.5)(x+k) is equal to 1.5 square units. Find all possible values of k.

Guest May 28, 2022

323

help geometry

In isosceles right triangle ABC, shown here, AC = BC. Point X is on side BC such that CX = 6 and XB = 12, and Y is on side AB such that XY is perpendicular to AB. What is the ratio of BY to YA?

read more ..

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Guest May 28, 2022

288

geometry

In rectangle ABCD, shown here, CE is perpendicular to BD. If BC = 3 and DC = 8, what is CE?

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Guest May 28, 2022

321

Modular Congruences Question

howto find the end modulo when
read more ..

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Guest May 28, 2022

All Questions ⁺⁰237779 Questions

help algebra

I need this factoring question solved by the end of tonight.

quadrilateral

Consider this system of simultaneous equations

Quadratic

Parabola

Fractions

Math

Math

geometric series

Quadratic

Counting

Algebra

I need some help finding this solution

geometric series

Binomial Expansion

parametric equations

geometry

I NEED HELP ASAP ASAP

A catering assistant has 2 litres of orange juice. How many 200 ml glasses can she fill with the juice?

gcd

Graphing question

help geometry

geometry

Modular Congruences Question

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