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All Questions
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232802 Questions
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376
6
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
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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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216
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Coordinates
Which of the following points is farthest from the origin: $(1,4)$, $(3,5)$, $(-6,0)$, $(-4,-12)?$
Guest
Oct 15, 2021
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207
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when sinh(BL1) = 0
when sinh(BL1) = 0
Guest
Oct 15, 2021
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346
1
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)
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Guest
Oct 15, 2021
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212
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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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203
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(7+с)(7+d)≥√28cd
(7+с)(7+d)≥√28cd
Guest
Oct 15, 2021
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200
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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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247
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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
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Guest
Oct 15, 2021
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195
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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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230
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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])
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Guest
Oct 15, 2021
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378
1
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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Guest
Oct 15, 2021
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255
1
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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Guest
Oct 15, 2021
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244
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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
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Guest
Oct 15, 2021
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214
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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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219
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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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244
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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
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Guest
Oct 15, 2021
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338
1
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.
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Guest
Oct 15, 2021
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347
3
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?
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Guest
Oct 15, 2021
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348
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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?
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Guest
Oct 15, 2021
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206
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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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242
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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?
Guest
Oct 15, 2021
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361
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WHAT IS 2:3
WHAT IS 2:3
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Guest
Oct 15, 2021
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254
1
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
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Guest
Oct 15, 2021
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