All Questions ⁺⁰237807 Questions

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Digit question

The number A8 is a two-digit number with tens digit A and units (ones) digit 8. Similarly, 3B is a two-digit number with tens digit 3 and units digit B. When A8 is multiplied by 3B, the result is the four-digit number C430.

If A, B, and read more ..

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Guest Oct 15, 2021

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Question on homework

Find all pairs of three-digit integers XYZ and ZYX (with X, Z 6= 0) such that
XYZ · ZYX is 1 more than a multiple of 101.
(note: XYZ is a three digit number, so like if XYZ=123, X=1, Y=2, and Z=3)

Guest Oct 15, 2021

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Coordinates

Which of the following points is farthest from the origin: $(1,4)$, $(3,5)$, $(-6,0)$, $(-4,-12)?$

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292

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when sinh(BL1) = 0

when sinh(BL1) = 0

Guest Oct 15, 2021

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424

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What is an equation of the line that passes through the points (4, -2) and (8, -7)

What is an equation of the line that passes through the points (4, -2) and (8, -7)

Guest Oct 15, 2021

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295

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help polynomials

Find the constant coefficient when the polynomial 3(x - 4) + 2(x^2 - x + 7) + 5(x - 1) - 8(3x + 2) is simplified.

Guest Oct 15, 2021

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282

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(7+с)(7+d)≥√28cd

(7+с)(7+d)≥√28cd

Guest Oct 15, 2021

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278

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need help

An ordinary 6-sided die has a number on each face from 1 to 6 (each number appears on one face). How many ways can I paint two faces of a die blue, so that the product of the numbers on the painted faces isn't equal to 2?

Guest Oct 15, 2021

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pls help

A Mad Professor has created a new kind of creature called a Blorg. For each Blorg, one hour after it is born, it gives birth to a new Blorg. Two hours after it is born, it gives birth to two more new Blorgs and then it immediately dies. If the Professor read more ..

Guest Oct 15, 2021

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Polynomial

If p(x) = x^4 - 3x + 2, then find the coefficient of the x^3 term in the polynomial (p(x))^2.

Guest Oct 15, 2021

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302

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Help me with this inverse function :)

How do you get x on one side in this equasion: y=sqrt((x-1)) + 3

Im going to find the inverse function of f(x)=sqrt((x-1))+3...
(domain: [1,26]) read more ..

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464

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Inequality

Let w, x, y, and z be positive real numbers. If w + x + y + z = 8, then what is the maximum value of wxyz?

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335

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Counting

A coin is tossed 10 times. How many different sequences of tosses could there have been, if at least $5$ of the tosses were heads?

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339

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help counting

1. In how many ways can you spell the word FOOT in the grid below? You can start on any letter F, then on each step you can step one letter in any direction (up, down, left, right, or diagonal)

\begin{array}{cccc} F & F read more ..

Guest Oct 15, 2021

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302

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Number Theory

The proper divisors of 12 are 1, 2, 3, 4 and 6. A proper divisor of an integer $N$ is a positive divisor of $N$ that is less than $N$. What is the sum of the proper divisors of the sum of the proper divisors of $288$?

Guest Oct 15, 2021

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307

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Inequality

If w, x, y, and z are positive real numbers such that w + 2x + 3y + 4z = 18 then what is the maximum value of wxyz?

Guest Oct 15, 2021

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326

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Coordinates

Points A, B, and C are given in the coordinate plane. There exists a point Q and a constant k such that for any point P,
PA^2 + PB^2 + PC^2 = 3*PQ^2 + k.

If A = (4,-1), B = (8,-2), and C = (1,-11), then find the constant read more ..

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439

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Geometry

The tangent to the circumcircle of triangle WXY at X is drawn, and the line through W that is parallel to this tangent intersects at Z. If XY = 14 and $WX = 5$ find YZ.

read more ..

Guest Oct 15, 2021

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437

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5rhsiyfoyxiyxigxt

Helen bought 28 boxes of donuts. Each box contained 12 donuts.
After Helen gave away 5/8 of all tightened donuts, how many donuts did she have
left?

Guest Oct 15, 2021

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439

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Can help me. Thank you

John had a sum of money. He spent $132 on a computer software and 3/4 of his
remaining money on 5 indentical books. The amount he had left wa equal to 1/6 of his
money. How much did each book cost?

Guest Oct 15, 2021

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Coordinates

Harry and Sandy wish to meet at a point in Hogwarts that is at the midpoint of their coordinates. Harry is standing at (9,-2), and Sandy is standing at (7,8). At what coordinate will they meet?

Guest Oct 15, 2021

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330

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Base numbers

A base-10 integer n can be represented as $32_a$ in one base and $13_b$ in another base, where a and b are any integer bases larger than 3. What is the smallest possible sum a+b?

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447

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WHAT IS 2:3

Guest Oct 15, 2021

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345

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Help me

Tom bought some flour. He filled 18 big jars and 25 small bottles with all the
flour. A big jar contained 10.6 g of flour more than a small bottle. The mass
of the flour in all the big jars was the mass of the flour in all read more ..

Guest Oct 15, 2021

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