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263

Please help me

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Guest Jun 29, 2022

354

+191

Repost - Advanced Combinatorics

Question:

8 rooks are randomly placed on different squares of a chessboard. A rook is said to attack all of the squares in its row and its column.
Compute the probability that every square is occupied or attacked by at read more ..

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OrangeJuicy Jun 29, 2022

270

Help

Keith and Pete, have been assigned a workbook to complete at their own pace. They get together at Keith's house after school to complete as many pages as they can. Keith has already completed 70 pages and will continue working at a rate of 3 pages per hour. read more ..

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Guest Jun 29, 2022

262

Equations

Garett and Simon are buying dinner. Garrett purchases 2 hot dog meals and 1 hamburger meal, paying a total of $18. Simon buys 3 hot dog meals and 2 hamburger meals, spending $31 in all. How much do the meals cost?

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Guest Jun 29, 2022

285

Help

https://web2.0calc.com/questions/help_67721

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Guest Jun 29, 2022

Jun 28, 2022

264

I need help with LOGS

Find a/b when

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Guest Jun 28, 2022

266

Help

The ratio of Harry's stamps to Ronnie's stamps was 6 to 1. Harry gave half of his stamps to Ronnie. He added his remaining stamps and found that he now had 11 fewer stamps than Ronnie. How many stamps did Harry have at first?

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Guest Jun 28, 2022

270

help angles

In triangle ABC, AX = XY = YB = BC and the measure of angle ABC is 150 degrees. What is the number of degrees in the measure of angle BAC?

read more ..

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Guest Jun 28, 2022

270

Math

Oliver and Juan had $66 altogether. Juan had $24 less than Oliver. After Juan spent some money at the store, Oliver had 3 times as much money as Juan. How much money had Juan spent at the store?

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Guest Jun 28, 2022

307

help logs

Let P = log_a b where P = (log_2 4)(log_4 8)(log_8 16) ... (log_1024 2048) and a and b are relatively prime positive integers. Find the smallest possible value of a+b.

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Guest Jun 28, 2022

262

quadratic

If m is a real number and 2x^2 + mx + 18 has two distinct real roots, then what are the possible values of m? Express your answer in interval notation.

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Guest Jun 28, 2022

235

help geometry

Triangle ABC has altitudes AD, BE, and CF. AD=12cm and BE=13cm. Find the largest possible value for CF if CF is an integer.

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Guest Jun 28, 2022

230

Number Theory

For how many integer values of n between 1 and 1000 inclusive does the decimal representation of n/1375 terminate?

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Guest Jun 28, 2022

393

I'm stuck on this algebra question

Find all solutions x (real and otherwise) to the equation x^4+64=0

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Guest Jun 28, 2022

272

URGENT GEOMETRY HELP

Part A: Point P lies on a circle centered at A with radius 3. Point Q lies on a circle centered at B with radius 2. If AB = 14 then find the smallest possible length of PQ.

Part B: Point P lies on a circle read more ..

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Guest Jun 28, 2022

255

linear functions

Given that f(x) = 5x − 10 and g(x) = x + 8, solve for f(g(x)) when x = −1

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Guest Jun 28, 2022

265

help circles

The circle 2x^2 = -2y^2 + 12x - 4y + 20 + y^2 + x^2 is inscribed inside a square which has a pair of sides parallel to the x-axis. What is the area of the square?

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Guest Jun 28, 2022

226

+75

HELP ASAPPP

In △ABC, BC=24, D is a point on BC. G1 and G2 are centroids of △ABD and △ACD, respectively. Find the length of G1G2.

read more ..

HelpMePlssss Jun 28, 2022

248

+75

HELP PLS

In △ABC, CE is the angle bisector of the exterior angle ACD, BE is the angle bisector of ∠ABC. If ∠BEC=32∘, find the measure of ∠CAE.

read more ..

HelpMePlssss Jun 28, 2022

173

quadrilateral

What is the area in square units of the convex quadrilateral with vertices (-1, 0), (0, 1), (-2, 0) and (0, -3)?

Guest Jun 28, 2022

251

+75

HELP ASAP

In △ABC, ∠BAC=36∘, AB=AC=1. Find the length of BC.

BuilderBoi ●

HelpMePlssss Jun 28, 2022

248

+75

HELP PLS

In △ABC, AB=2, D is a point on BC, such that AD bisects ∠BAC. If , ∠BAC=30∘, the value of BC^2 can be expressed as , where p,q, and r are integers, such that r is a positive integer read more ..

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HelpMePlssss Jun 28, 2022

269

+75

HELP GEOMETRY ASAP

The medians of △ABC have lengths 15, 36, and 39. Find the area of △ABC.

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HelpMePlssss Jun 28, 2022

180

quadratic

For specific positive numbers m and n, the quadratics 16x^2 + 44x + 56 + 4x^2 - 14x - 30 and (mx + n)^2 differ only in their constant term. What is mn?

Guest Jun 28, 2022

All Questions ⁺⁰237261 Questions

Please help me

Repost - Advanced Combinatorics

Help

Equations

Help

I need help with LOGS

Help

help angles

Math

help logs

quadratic

help geometry

Number Theory

I'm stuck on this algebra question

URGENT GEOMETRY HELP

linear functions

help circles

HELP ASAPPP

HELP PLS

quadrilateral

HELP ASAP

HELP PLS

HELP GEOMETRY ASAP

quadratic

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