Jonjon

16 Questions
13 Answers

0

421

1

+77

HELP NOW

(xyz-1)(2xyz + x + y + z + 2) = 2021(x+y+z-2)

Jonjon May 8, 2021

0

589

1

+77

really need help right now

In triangle $ABC$, $AB=c$, $BC=a$, $CA=b$, $\angle A = \alpha$, $\angle B = \beta$, and $\angle C = \gamma$ where all angles are measured in degrees. Suppose that $b^2-a^2=ac$ and $\beta^2 = \alpha \gamma$. Find $\lfloor 10\beta \rfloor$.

Jonjon Dec 18, 2020

0

541

3

+77

Help! This is due today

Helppls Find all x that satisfies that.

Jonjon Sep 10, 2020

0

1016

1

+77

Help pls

Eight tennis players take part in an elimination tournament and are placed at random. The players are ranked 1, 2, , 8, so the player ranked 1 is first (best) and the player ranked 8 is last (worst). When two players play a game, the higher-ranked read more ..

Jonjon Jul 28, 2020

0

581

3

+77

Help

Please halp asap! Find a monic quartic polynomial with rational coefficients whose roots include 2+sqrt5 and 1-sqrt2 . Give your answer in expanded form.

Jonjon Jul 22, 2020

0

613

1

+77

Help pleeeeease

Help fast on these 2 problems! Find all positive integers n for which n^2 - 19n + 99 is a perfect square. I have tried and found 4 solutions 1,9,10,18 using a^2=n^2-19n+99 and then doing the discriminant. Where am I going wrong?
read more ..

Jonjon Jul 15, 2020

0

552

1

+77

Please halp fast!!!

This is due today, so help fast! Let be the partition generating function, and let , where

For example, , because there are 3 partitions of 4 into an even number of parts and 2 partitions read more ..

Jonjon Jul 10, 2020

0

745

2

+77

Please halp

Let A={2,6,10,14,...} be the set of integers that are twice an odd number.
Prove that, for every positive integer n, the number of partitions of n in which no odd number appears more than once is equal to the number of partitions of n containing read more ..

Jonjon Jul 9, 2020

0

540

1

+77

I need help super fast

Find a polynomial of degree such that both of these properties hold:
f(x) is divisible by x^3 .
f(x)+2 is divisible by (x+1)^3 .

Jonjon Jul 8, 2020

0

552

1

+77

Halllllp

Five people are passing a ball amongst themselves. The ball starts with Alonzo. Each person who has the ball passes it onto someone else. After the eighth pass, the ball returns to Alonzo. Find the number of possible sequences of passes. I really need help read more ..

Jonjon May 28, 2020

0

673

1

+77

Sort of need big help

Find the number of ways of tiling a 2*10 rectangle with 1*2 tiles. (The tiles can be placed in any orientation.)

Jonjon May 23, 2020

0

853

7

+77

Help pls fast!!

(a) There are chairs in a row. Find the number of ways of choosing of these chairs, so that no two chosen chairs are adjacent.
(b) There are 10 chairs in a circle, labelled from 1 to 10. Find the number of ways of choosing 3 of read more ..

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Jonjon May 21, 2020

0

619

2

+77

Help on this before 8:30 pm ET pleeeeease

A lecture hall contains 20 chairs, all lined in a row. What is the number of ways that five chairs can be chosen, so that no two chairs are adjacent?

Jonjon May 21, 2020

0

613

1

+77

Can somebody help before 8:30 pm ET?

In how many ways can I distribute 6 identical gummy bears and 6 identical chocolates to 4 students, if each student must receive exactly 3 pieces of candy?

Jonjon May 21, 2020

0

579

1

+77

Pleeeeease help

In how many ways can I distribute 6 identical gummy bears and 6 identical chocolates to 4 students, if each student must receive at least 1 of each type of candy?

Jonjon May 21, 2020