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All Questions ⁺⁰154778 Questions

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off-topic

Melly 3 mins ago

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help

Simplify sqrt(17 + 12*sqrt(2)).

Guest 7 mins ago

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Can you help me

If A divided by B equals 4 then what does B divided by A equal?

Guest 9 mins ago

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Given that AB = 7.7, angle CAB = 36 degrees, BC = 9, and angle ACD = angle BCD. Find AD.

Guest 1 hour ago

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Find a perfect square which has four digits and the first two digits are same and the last two digits are also same.

ElectricPavlov ●

Guest 1 hour ago

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Is this statement true or false?

Is this statement true or false?

The point (5, -1) is a solution of the equation: y = 2x − 11

A. true read more ..

macabresubwoofer 2 hours ago

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Name the ordered pair that point B represents in the graph.

Name the ordered pair that point B represents in the graph.

read more ..

macabresubwoofer 2 hours ago

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+1197

Write an algebraic expression for the word phrase: the difference of four cubed and ‘a’.

Write an algebraic expression for the word phrase: the difference of four cubed and ‘a’.

A. 4^3

B. 4^3 – a

C. 4^3 a read more ..

macabresubwoofer 2 hours ago

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Write the difference of 5 and x as a mathematical expression.

Write the difference of 5 and x as a mathematical expression.

A. 5x

B. 5 – x

C. 5 + x read more ..

macabresubwoofer 2 hours ago

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+1197

Which of the following expressions is a correct way to write this, if the radius is x?

The area of a circle is approximately 3.14 times the radius squared. Which of the following expressions is a correct way to write this, if the radius is x?

A. 2(3.14)x

B. x(3.14)^2

C. 3.14x^2 read more ..

macabresubwoofer 2 hours ago

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Solve y^2 - |4y - 2| + 5 = 0.

Guest 2 hours ago

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Help please!

We roll a fair 6-sided die 5 times. What is the probability that we get a 6 in at most 2 of the rolls?
Thanks!

sinclairdragon428 9 hours ago

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Find the product of all real numbers n which satisfy |n^2 - 9n + 20| = |16 - n^2|.

Guest Nov 18, 2019, 4:54:22 AM

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John has an ample supply of 10-cent stamps and 15-cent stamps. He will buy an ample supply of stamps of one more denomination, which is a whole number. He needs to be able to combine the stamps to make any value of 30 cents or more. In read more ..

Guest Nov 18, 2019, 4:27:27 AM

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circle

A circle of radius 5 with its center at (0,0) is drawn on a Cartesian coordiante system. How many lattice points lie within or on this circle?

Guest Nov 18, 2019, 4:16:32 AM

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help please thx

1. Let f(x) = x^3 + 3x ^2 + 4x - 7 and g(x) = -7x^4 + 5x^3 +x^2 - 7. What is the coefficient of x^3 in the sum f(x) + g(x)?

2. Let f(x) = x^4-3x^2 + 2 and g(x) = 2x^4 - 6x^2 + 2x -1. Let a be read more ..

Guest Nov 18, 2019, 3:56:27 AM

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Math

a) Three families celebrate Thanksgiving together: Alvarados, the Bells, and the Carsons. There are four people in each family. Afterwards they line up for a large group photo. How many ways can the 12 of them line up?
b) this time they want to read more ..

off-topic

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Guest Nov 18, 2019, 3:38:47 AM

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Math

Three families celebrate Thanksgiving together: Alvarados, the Bells, and the Carsons. There are four people in each family. Afterward, they line up for a large group photo. How many ways can the 12 of them line up?

off-topic

Guest Nov 18, 2019, 3:19:05 AM

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A diagonal of a polyhedron is a line segment connecting two non-adajcent vertices. How many diagaonals does a pentagonal prism have?

read more ..

Guest Nov 18, 2019, 3:11:01 AM

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Help me please ASAP

In the diagram below, D is the midpoint of the base of isosceles triangle ABC. Points G1 and G2 are the centroids of ABD and ACD, respectively. We know AD=8 and G1G2 =4. What is the perimeter of ABC?

Guest Nov 18, 2019, 2:29:01 AM

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help please

Let g(n,k) be the number of partitions of n into exactly k parts, in which no part is a 1. Show that

Guest Nov 18, 2019, 1:42:02 AM

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Polynomial Forms

Find the polynomial with real coefficients, such that
for all real numbers

AoPS.Morrisville Nov 18, 2019, 1:34:20 AM

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help

Let A(-8,4) and B(6,6). Point C(0,k) is such that the circumcircle of triangle ABC has equation x^2 + y^2 + 2x - 10y - 24 = 0. Find all possible values of k.

Guest Nov 18, 2019, 1:19:24 AM

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Complex #'s

Let be a nonreal complex number. Find the smallest possible value of
read more ..

AoPS.Morrisville Nov 18, 2019, 1:04:54 AM

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Using the discriminant to determine the translation?

II know what a discriminant is; from using it, I got -40. How will this help me determine the translation?

Guest Nov 18, 2019, 12:37 AM

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