All Questions

264

need help with counting

Find the number of positive integers that satisfy the following conditions:
* Each digit is a 1 or a 2 or a 3
* The sum of the digits is 10

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Guest Nov 8, 2022

316

+660

Pls help! Not sure if impossible or if it's a number.

I own a large truck, and my neighbor owns four small trucks that are all identical. My truck can carry a load of at least 600 pounds more than each of her trucks, but no more than 1/3 of the total load her four trucks combined can carry. Based on these read more ..

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Keihaku Nov 8, 2022

282

+660

Arrange the following numbers in increasing order:

Arrange the following numbers in increasing order:

Enter the letters, separated by commas. For example, if you think read more ..

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Keihaku Nov 8, 2022

295

+660

Pls help with inequalities!

Solve the inequality . Give your answer as an interval.
Hint: The answer is not x<(-23)/5

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Keihaku Nov 8, 2022

312

+89

Help Again :)

(I don't think I did that latex correctly lol)
Help/Ideas would be appreciated a lot :]

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AutumnStorm Nov 8, 2022

287

+89

Help Please :)

yeah that above (Hopefully you can see)

So I know that i^3 - i is factored as i(i+1)(i-1) and just fiddled around trying to find sensible patterns
read more ..

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AutumnStorm Nov 8, 2022

295

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)?

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Guest Nov 8, 2022

254

Equation

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

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Guest Nov 8, 2022

246

Algebra

Find an ordered pair (u,v) that solves the system
5u = -7 + 2v
3u = 5v - 25

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Guest Nov 8, 2022

257

Algebra

If x and y are positive integers such that 4x + 2y = 36 and 5y + 2x = 58 - x + 2y, what is the value of the product xy?

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Guest Nov 8, 2022

227

help geometry

Let ABC be a triangle with AB = 13, BC = 14, and AC = 16. The incircle of ABC touches AB and AC at points D and E, respectively. The triangle’s A−excircle (tangent to segment BC and the extended rays AB and AC, outside ofthe triangle) touches BC at P. Find read more ..

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Guest Nov 8, 2022

260

+328

Determine the value of .

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Potatobird Nov 8, 2022

252

Determine the value of .

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Guest Nov 8, 2022

255

Find .

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Guest Nov 8, 2022

274

Suppose there exists a sequence such that the sum of the first terms is . Find the sum of .

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Guest Nov 8, 2022

249

Counting

How many integers between 1 and 280, inclusive, are not divisible by 2, 3 or 11?

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Guest Nov 8, 2022

247

Algebra

If sqrt(7 - sqrt(2 + sqrt(n))) = 1, what is the value of n?

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Guest Nov 8, 2022

Nov 7, 2022

277

Algebra

Grapes are 80% water by weight. When a bushel of grapes dries in the sun for two weeks, it loses 60% of its total weight. All of the weight loss is due to the loss of water. After drying for two weeks, what percentage of the grapes is water by read more ..

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Guest Nov 7, 2022

246

Assume a and b are both positive integers that a+b=2022 and 5*gcd(a,b)=lcm(a,b) find a and b

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Guest Nov 7, 2022

222

Sequence

A sequence is defined as shown for n = 3, 4, 5, ... What will be the first number in this sequence that is NOT prime?

a_1 = 11
a_2 = 2 read more ..

Guest Nov 7, 2022

209

geometry problem

Points A and B are on side YZ of rectangle WXYZ such that WA and WB trisect ZWX. If BY = 3 and AZ = 8, then what is the area of rectanlge WXYZ?

Guest Nov 7, 2022

256

Function

Let F(x) be the real-valued function defined for all real x except for x = 1 and x = 2 and satisfying the functional equation
F(x) + F((2x - 3)/x) = x.
Find the function F(x) satisfying these conditions. Write F(x) as read more ..

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Guest Nov 7, 2022

279

+38

geometry and triangles please help.

In the diagram below, is the incenter of We know that What is ?
read more ..

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Logtoaster Nov 7, 2022

252

System question

For what ordered pair (a,b) are there infinite solutions (x,y) to the system
4x+ay=-8,
2x+y=b-2x

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Guest Nov 7, 2022

248

help math

The number 345,600 can be expressed as 2^a*3^b*5^b for integers a, b and c. What is the value of the product abc?

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Guest Nov 7, 2022

All Questions ⁺⁰238242 Questions

need help with counting

Pls help! Not sure if impossible or if it's a number.

Arrange the following numbers in increasing order:

Pls help with inequalities!

Help Again :)

Help Please :)

plz help

Equation

Algebra

Algebra

help geometry

Determine the value of .

Determine the value of .

Find .

Suppose there exists a sequence such that the sum of the first terms is . Find the sum of .

Counting

Algebra

Algebra

Assume a and b are both positive integers that a+b=2022 and 5*gcd(a,b)=lcm(a,b) find a and b

Sequence

geometry problem

Function

geometry and triangles please help.

System question

help math

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