maximum

256 Questions
128 Answers

0

73

1

+818

help inequalities

Find all $x$ so that neither $-2(6+2x)\le -16-x+8-5x$ nor $-3x\ge 18-7x+25$.

maximum 6 oct. 2023

0

94

1

+818

inequality question

Find all $x$ such that neither $2+x+5x$ nor $2-x-8-3x$ is in the interval $(-2,11]$. Express your answer as an interval or as a union of intervals.

maximum 6 oct. 2023

0

64

1

+818

probability question

Two points on a circle of radius $1$ are chosen at random. Find the probability that the distance between the two points is at most $3/2.$

maximum 6 oct. 2023

0

83

1

+818

help plz

In a series of coin flips, a run is a series of one or more consecutive coin flips that all have the same result. For example, in the sequence
\[TT \textcolor{red}{HHH} TTHHHTH,\]
the red letters form a run.
If a fair coin is flipped lire plus ..

maximum 6 oct. 2023

0

118

1

+818

expected value

Suppose we have a bag with $10$ slips of paper in it. Eight slips have a $5$ on them and the other two have an $12$ on them.
(a) What is the expected value of the number shown when we draw a single slip of paper?
(b) What lire plus ..

maximum 6 oct. 2023

0

89

1

+818

help plz with inequality

Find all $x$ such that both $2x$ and $3x-7$ are in the interval $(-1,12)$.

maximum 4 oct. 2023

0

83

0

+818

help help

Find all $x$ such that $1-3x < x + 8 \le 7-x$. Give your answer in interval notation.

maximum 4 oct. 2023

0

87

1

+818

need help plz

Find all $z$ such that neither $2+z-5z$ nor $2-z+8z$ is in the interval $(-7,13]$. Express your answer as an interval or as a union of intervals.

maximum 4 oct. 2023

0

85

1

+818

inequality problem

Find all $w$ so that neither $-2(6+2w)\le -16 + 7w$ nor $-3w\ge 18 - 5w + 3$.

maximum 4 oct. 2023

-1

62

1

+818

Plz help

Help I dont know this
Three adults and three children are to be seated at a circular table. In how many different ways can they be seated if each child must be next to at least one adult? (Two seatings are considered lire plus ..

maximum 3 oct. 2023

+818

-1

Do not post AoPS homework.

maximum20 janv. 2025