All Questions ⁺⁰237827 Questions

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233

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Pls help

Jasper read 1/5 of the total number of pages of a book on the first day. The number of pages he read on the first day was 3/4 the number of pages he read on the second day. He still had 152 more pages to the end of the book. How many pages are there in read more ..

Guest Nov 6, 2022

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232

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what is x

3x/7=4 what is x

Guest Nov 6, 2022

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216

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Help Needed

Fully simplify $\sqrt {49 - 20\sqrt {6}}$ .

Guest Nov 6, 2022

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190

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Why is the mean of the sums the sum of the means?

I know that this rule works but I can't find a way to prove it, so I don't understand why it works. Please help!!

Guest Nov 6, 2022

Nov 5, 2022

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205

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help geometry

Triangle ABC is a right triangle with angle BAC= 90 degrees and angle B > angle . Suppose AP is an altitude of the triangle, AQ is an angle bisector of the triangle, and AR is a median of the triangle, and angle PAQ = 15 degrees. read more ..

Guest Nov 5, 2022

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189

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plz help

If I give my brother 5 dollars, then we will have the same amount of money. If instead, he gives me 14 dollars, then I'll have three times as much money as he will have. How much money does my brother currently have (in dollars)?

Guest Nov 5, 2022

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217

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Geometry

Let AB be a diameter of a circle, and let C be a point on the circle such that AC=8 and BC=4 The angle bisector of ACB intersects the circle at point M Find CM.

Guest Nov 5, 2022

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243

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Define points

Define points
Find the distance between the midpoint and the midpoint.

Guest Nov 5, 2022

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242

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10 and 2 therds divided by 3 fiths

10 and 2 therds divided by 3 fiths

Guest Nov 5, 2022

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217

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quadratic

a, b, and c are constants such that the quadratic ax^2 + bx + c can be expressed in the form 2(x-4)^2 + 8. When the quadratic 3ax^2 + 2bx + c(for the same values of a, b, and c) is expressed in the form n(x-h)^2 + k, what is h?

Guest Nov 5, 2022

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189

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Number Theory

How many integers n can be used such that the quantity |2n^2 + 3n + 11 - n^2 + 9n| results in a prime number?

Guest Nov 5, 2022

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242

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Equation

Solve for x: (3x + 12)(x + 4) = (4x^2 + 8x + 8x^2)/(2x).

Guest Nov 5, 2022

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233

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Quadratic

The graph of a certain quadratic y = ax^2 + bx + c is a parabola with vertex (4,0) which passes through the point (5,7). What is the value of a?

Guest Nov 5, 2022

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202

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help counting

Kurt is creating a bouquet of flowers for his mother. He has a selection of roses, lilies, orchids and violets from which to create a bouquet of a dozen flowers. Kurt's mother loves orchids, so his bouquet will have at least eight orchids. How many read more ..

Guest Nov 5, 2022

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191

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Algebra

Assuming that p \neq 0 and q \neq 0, simplify pq^3^3 4p^2q^2 2pq^2^3

Guest Nov 5, 2022

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200

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Lattice points

A lattice point is an ordered pair (x, y) where both x and y are integers. A triangle is formed by the three points (1, 1), (9, 1), and (9, n). For what integer value of n > 0 are there exactly 500 lattice points strictly in the interior of the triangle? read more ..

Guest Nov 5, 2022

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183

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Polynomials

When the polynomial p(x) is divided by x - 1, the remainder is 3. When the polynomial p(x) is divided by x - 3, the remainder is 8. What is the remainder when the polynomial p(x) is divided by (x - 1)(x - 3)?

Guest Nov 5, 2022

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183

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Number Theory

In the equation 1/j + 1/k = 1/3 + 1/4 , both j and k are positive integers. What is the sum of all possible values for k?

Guest Nov 5, 2022

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191

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Coordinates

Find the radius of the circle with equation 9x^2 - 18x + 9y^2 + 36y + 44 = 8x^2 - y^2 + 2x - 6y,

Guest Nov 5, 2022

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194

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need help

Let's take a look at (x + y)^2 (x - y)^2 and (x^2 + y^2)(x^2 - y^2). While Beeker believes that these two expressions are equal for all real numbers x and y Clod believes they are not! Let's get to the bottom of this!
a) Evaluate read more ..

Guest Nov 5, 2022

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184

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help algebra

Consider the two expressions (6x^3 + 9x^2 + 4x + 7 - 17x^2 - 8x + 8)/(2x + 3 - 7x - 11) and 4x^2 - 7 + 1/(2x + 3 - 7x - 11)
a) Show that the two expressions represent equal numbers when x = 10
b) Explain why these two expressions do not represent read more ..

Guest Nov 5, 2022

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185

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Algebra

Pearl writes down seven consecutive integers, and adds them up. The sum of the integers is euqal to 10 times the largest of the seven integers. What is the smallest integer that Pearl wrote down?

Guest Nov 5, 2022

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226

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Please Help Me!

What is the area, in square units, of the square with the four vertices at A(0,0), B(-5,-1), C(-4,-6) and D(1, -5)?

Guest Nov 5, 2022

-1

203

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Algebra

Parker and his three friends went trick-or-treating together. If Parker got 11 pieces of candy, and each of his friends got three times as much candy as he did, how many pieces of candy did Parker and his friends get in all?

Guest Nov 5, 2022

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