grs75

14 Questions
13 Answers

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246

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If four dice are rolled and the number of 1's, 2's, 3's, 4's, 5's, and 6's are recorded, how many possible results are there?

If four dice are rolled and the number of 1's, 2's, 3's, 4's, 5's, and 6's are recorded, how many possible results are there?

This is confusing me a little bit. Naturally, I would say 6^4 = 1296 results. However, we could have 1123 mehr ..

grs75 13.06.2022

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277

10

+88

Counting questions

A. In how many ways can five red chairs and three white chairs be arranged such that no two white chairs are next to each other?
B. In how many ways can four red chairs, three white chairs, and two blue chairs be arranged such that there is at least mehr ..

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grs75 08.06.2022

+1

293

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+88

Counting paths in a grid?

Given a 3 x 5 grid, where point A is the lower left corner and B is the upper right corner, how many ways can a spider travel on the grid, given that it can travel one unit right, up, or down each move and cannot revisit an edge or vertex?
mehr ..

grs75 15.08.2021

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457

4

+88

Circle areas

I have attempted these two questions and gotten the answers, in decmial, which are: 25.13, and 57.95 respectively. Are they correct?

grs75 03.05.2021

+1

429

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+88

Simplifying/rationalizing radicals

Hello guys,
Could somebody help me simplify this fraction:

mehr ..

grs75 02.05.2021

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706

10

+88

Factoring polynomials

Factor .

I've gotten the factored version of the polynomial is -(a-b)(b-c)(c-a)(a+b+c), however I'm not really sure how to explain it. I know that we must begin with (a-b)(b-c)(c-a), but don't know where to go from there. mehr ..

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grs75 13.03.2021

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473

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+88

Composite polynomials

Hello all,
I have a question: what is a composite polynomial? I tried searching this up but the results aren't very clear to me and I don't understand them well. Could someone explain this to me and perhaps show it with an example?
mehr ..

grs75 22.02.2021

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365

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Repost on polynomial division

https://web2.0calc.com/questions/question-on-polynomial-division-question

grs75 15.02.2021

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512

7

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Question on polynomial division question

I was looking at this question: https://web2.0calc.com/questions/help-on-hard-division-problem and I'm having difficulty understanding part b. Could somone explain why in order for g(x) to be divisible by f(x), f(x) must have the same mehr ..

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grs75 14.02.2021

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538

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+88

Trignometry

A man is standing on level ground 50 feet away from the wall of a building.
He looks up at a window on the building. The angle of elevation to the bottom
of the window is 28.5°. He then looks up at the top of the building. The angle of
elevation mehr ..

grs75 12.02.2021

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472

1

+88

Triangle side lengths/trignometry

For this problem, I found the height of the triangle first, which is . I'm trying to find the length now and I just want some confirmation that what I'm doing is correct. I mehr ..

grs75 09.02.2021

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468

3

+88

Graphing distance/time

grs75 03.02.2021

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680

4

+88

Triangles

A standard baseball diamond is a square 90 feet on each side. Find the distance of a throw made from the catcher 3 feet behind home plate in an attempt to throw out a runner trying to steal second base. Round to the nearest whole number.
mehr ..

grs75 25.01.2021

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661

1

+88

Complex numbers

There are two complex numbers, namely z and w. They satisfy |z| = |w| = 1 and zw =/= -1.
(a) Prove that and
(b) Prove that is a real number.
mehr ..

grs75 17.01.2021