All Questions ⁺⁰238122 Questions

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geometry

In right triangle ABC, AC = 8, AB = 15, and BC = 17. Square ADEF is inscribed in the square. Find the side length of square ADEF.

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Guest Dec 6, 2021

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275

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Algebra

Find the sum of all integral values of c with c <= 25 for which the equation y = x^2 - 17x - c has two rational roots.

Guest Dec 6, 2021

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295

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Algebra

If x = 1 + x/(2 + x/(2 + x/(2 + x/(2 + ...)))), then what is x?

Guest Dec 6, 2021

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342

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Operations

Let a * b = a + sqrt(b + sqrt(b + sqrt(b + ...))). If 7 * g = 19, find the value of g.

Guest Dec 6, 2021

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419

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Exponents

Find the value of y such that 9^y = 3^5 * 9^6 * 81^4/27^3.

Guest Dec 6, 2021

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275

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helppppp

What is the constant of proportionality in the equation y=2x what is the
constant of proportionality?????

Guest Dec 6, 2021

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425

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Algebra

Let u and v be the solutions to 3x^2 + 5x + 7 = 0. Find $\frac{1}{u^2} + \frac{1}{v^2}$.

Guest Dec 6, 2021

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349

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plz help anyone thank u

what would be the final concentrations
A) a ratio of 1:9 0.5M salt solution to water
B) a 12% solution of 0.4Msucrose
C) a 4/5 dilution of 1M sugar in water read more ..

Guest Dec 6, 2021

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327

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Decimals

What is the 4000th digit following the decimal point in the expansion of 1/176

Guest Dec 6, 2021

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462

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Parabola

The graph of y = ax^2 + bx + c is shown below. Find abc. (The distance between the grid lines is one unit.)

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Guest Dec 6, 2021

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370

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shadow afton

what is 0.007 as a fraction

Guest Dec 6, 2021

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410

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algebra

Mary works mowing lawns and babysitting. She earns $9.10 an hour for mowing and $7.40 an hour for babysitting. How much will she earn for 1 hour of mowing and 7 hours of babysitting?

Guest Dec 6, 2021

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394

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What would be the final concentrations of ge following

What would be the final concentrations of ge following
A ratio of 1:9 0.5M salt solution to water.

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Guest Dec 6, 2021

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424

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mat

Guest Dec 6, 2021

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472

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Coordinates

Find the area of the region enclosed by the graph of x^2 + y^2 = 2x - 6y + 6 - 10x + 8y + 4.

Guest Dec 6, 2021

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397

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Parabola

Find the vertex of the graph of the equation y = -2x^2 + 8x - 15 + 3x^2 + 7x - 4.

Guest Dec 6, 2021

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331

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Algebra

Find the vertex of the graph of the equation x - y^2 + 8y = 13 + 4y + y^2

Guest Dec 6, 2021

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288

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algebra

The real numbers x and y satisfy (x - 3)^2 + (y - 4)^2 = 18. Find the minimum value of x^2 + y^2.

Guest Dec 6, 2021

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336

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Algebra

Find the sum of the squares of the solutions of x^2 - 13x + 4 = -11x + 7.

Guest Dec 6, 2021

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317

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sales tax questions

Marcus can choose between a monthly salary of $1,500 plus 5.5% of sales or $2,400 plus 3% of sales. He expects sales between $5,000 and $10,000 a month. Which salary option should he choose to earn the most money?

Guest Dec 6, 2021

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408

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hard geometry problem

The sum of all but one of the angles of a particular convex polygon is 1578 degrees. What is the measure in degrees of the remaining interior angle?
Can someone help, I don't know what to do after making a formula with (n-2)(180). I keep read more ..

Guest Dec 6, 2021

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363

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trig question

What is the sine of an acute angle whose cosine is 7/25?

Guest Dec 6, 2021

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