All Questions

343

+91

Is there a quicker way to count this?

Four squares are joined together to form an L-shaped piece. In how many ways can you place the L-shaped piece on a 5 x 5 grid? The L-shaped piece can be rotated and/or reflected.

I started counting normally just fitting it wherever read more ..

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cosign Jan 31, 2022

508

+2668

I finally hit 200! (Not a question)

After a few weeks of grinding, I finally reached 200! It was a fun ride, and I am semi-proud of my achievement. This site is awesome and I learned a lot from it!

off-topic

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BuilderBoi Jan 31, 2022

295

Probability

Meyer rolls two fair, ordinary dice with the numbers 1,2,3,4,5,6 on their sides. What is the probability that neither of the dice shows a square number?

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Guest Jan 31, 2022

290

help Number Theory

For how many positive integers n>1 is it true that is a perfect nth power?

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Guest Jan 31, 2022

184

Coordinates

What is the area of the portion of the circle defined by x^2 - 12x + y^2 = 28 that lies above the x-axis and to the right of the line y = 8 - x?

Guest Jan 31, 2022

250

Please Help

marvin the fly starts at $(0,0).$ each step, marvin moves one unit right or one unit up. he is trying to get to the point $(5,7)$. however, at $(4,4)$ there is a frog that will eat him if he goes through that point. in how many ways can marvin reach $(5,7)$? read more ..

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Guest Jan 31, 2022

343

Math

A stack of paper contains 400 sheets. The volume of the stack is 140.25 cubic inches. Each sheet of paper is identical, with a length of 11 inches and a width of 8.5 inches. Find the height of each sheet of paper. I NEED THE ANSWER! NOW!! read more ..

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Shubble Jan 31, 2022

296

Digit problem

How many 3-digit positive integers can be added to such that no carry occurs when adding the digits?

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Guest Jan 31, 2022

347

if 6 zinks = 2 zarks, and 7 zacks = 1 zelk, how many zinks= 2 zelks?

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Guest Jan 31, 2022

302

Counting

How many two-digit numbers are there such that the two digits differ by exactly ?

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Guest Jan 31, 2022

325

prime Factor

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Guest Jan 31, 2022

313

Counting

How many ways can you distribute 4 identical balls among identical boxes?

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Guest Jan 31, 2022

217

Complex Plane

In the complex plane, the graph of |z - 3| = 2|z + 8| intersects the graph of |z| = k in exactly one point. Find all possible values of k. Enter all possible values, separated by commas.

Guest Jan 31, 2022

391

Geometry

Consider the following diagram. What are the lengths of AE and CE?

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Guest Jan 31, 2022

330

linear equations

Hector and his workout partner are lifting weights together, doing many sets of each exercise. On a certain exercise, Hector is using a 20-pound bar, increasing the amount of weight he lifts by 2 pounds on each set. His partner, meanwhile, started out using read more ..

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Guest Jan 31, 2022

389

Physics

A man lifts various loads with the same lever. The distance of the applied force from the fulcrum is 2.00 m and the distance from the fulcrum to the load is 0.500 m. A graph of resistance force vs. effort force is shown. What is the mechanical advantage read more ..

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Guest Jan 31, 2022

-1

317

Counting

Marvin the fly starts at (0,0) Each step, Marvin moves one unit right or one unit up. He is trying to get to the point (6,7). However, at there is a frog that will eat him if he goes through that point. In how many ways can Marvin reach (6,7)? read more ..

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Guest Jan 31, 2022

273

I don’t know how to start

Celia and Eliot have some pears. If Eliot gave Celia 21 pears, their pears would be in the ratio 3:1. If Celia gave Eliot 12 pears, their pears would be in the ratio 3:2. How many pears does Celia have than Eliot?

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Guest Jan 31, 2022

320

Geometry

The lengths of two sides of a triangle are 33 units and units. The third side also has an integral length. What is the greatest possible number of units in the perimeter of the triangle?

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Guest Jan 31, 2022

277

What is 0÷0?

What would 0÷0 be?

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Guest Jan 31, 2022

197

Algebra

For how many integer values of a does the equation x^2 + ax + 6a = 0 have integer solutions for x?

Guest Jan 31, 2022

251

Counting

How many times does the digit 9 appear in the list of all integers from 1 to ?

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Guest Jan 31, 2022

325

System

For what ordered pair (a,b) are there infinite solutions (x,y) to the system
4x + ay = -8
3x - y = b

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Guest Jan 31, 2022

211

Algebra

Let x, y, and z be nonzero real numbers. Find all possible values of x/ | x | + y/ | y | + z/ | z |. List your values in increasing order, separated by commas.

Guest Jan 31, 2022

354

geometry

Given that $\overline{JD} \parallel \overline{EK}$, $\angle FBD = 37^\circ$, and $\angle ABG = 46^\circ$, find $\angle ECG$ (in degrees).
read more ..

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Guest Jan 31, 2022

All Questions ⁺⁰236348 Questions

Is there a quicker way to count this?

I finally hit 200! (Not a question)

Probability

help Number Theory

Coordinates

Please Help

Math

Digit problem

if 6 zinks = 2 zarks, and 7 zacks = 1 zelk, how many zinks= 2 zelks?

Counting

prime Factor

Counting

Complex Plane

Geometry

linear equations

Physics

Counting

I don’t know how to start

Geometry

What is 0÷0?

Algebra

Counting

System

Algebra

geometry

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