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Вопросов
253
ответы
98
256 Questions
127 Answers
0
55
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 окт. 2023 г.
0
61
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.
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maximum
6 окт. 2023 г.
0
46
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 $3/2.$
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maximum
6 окт. 2023 г.
0
67
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
прочитайте больше ..
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maximum
6 окт. 2023 г.
0
87
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
прочитайте больше ..
●
maximum
6 окт. 2023 г.
0
65
1
+818
help plz with inequality
Find all $x$ such that both $2x$ and $3x-7$ are in the interval $(-1,12)$.
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maximum
4 окт. 2023 г.
0
51
0
+818
help help
Find all $x$ such that $1-3x < x + 8 \le 7-x$. Give your answer in interval notation.
maximum
4 окт. 2023 г.
0
61
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 окт. 2023 г.
0
56
1
+818
inequality problem
Find all $w$ so that neither $-2(6+2w)\le -16 + 7w$ nor $-3w\ge 18 - 5w + 3$.
●
maximum
4 окт. 2023 г.
-1
46
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
прочитайте больше ..
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maximum
3 окт. 2023 г.
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#1
+818
-1
Do not post AoPS homework.
maximum
20 янв. 2025 г.
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последний
11
10
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