Mathematics
28.02.2022 03:37
282
383
7
Solved by an expert
at a party 136 handshakes took place. each person shook hands exactly once with
at a party 136 handshakes took place. each person shook hands exactly once with each of the others present. how many people were at the party?
Show Answers
narutoxptheninja
5,0(20 marks)
9514 1404 393
17
Step-by-step explanation:
The number of handshakes among n people is n(n -1)/2. Then ...
n(n -1)/2 = 136
n(n -1) = 272 = 17×16*
n = 17
There were 17 people at the party.
* This factoring can be facilitated by recognition that √272 ≈ 16.5, the number midway between the consecutive factors.
gimpypeach
4,8(66 marks)
2
Step-by-step explanation:
1+1=2
lol tysm
Popular Questions about the subject: Mathematics
Assume that the population of the world in 2017 was 7.6 billion and is growing...
Mathematics
26.09.2021 06:10
Will mark ! write a equation perpendicular to y=(3/4)x -1 that passes through...
Mathematics
15.11.2022 01:06
What is the first step in solving 3x+4=20...
Mathematics
14.08.2021 17:26
X+5 times x +5 equals 49 what is the value of x...
Mathematics
01.09.2020 02:25
Write a third degree polynomial function with zeros 5 and 3i....
Mathematics
20.03.2023 07:40
My number has 2 hundreds and 1 thousand. it has 4 ones and 1 more ten block...
Mathematics
10.09.2022 05:15
Choose the polynomial written in standard form. (5 points) x2y2 + 4x4y + 10x6...
Mathematics
29.06.2020 07:04
Nick’s telephone company charges $0.05 per minute for weekend calls and $0.09...
Mathematics
15.02.2022 00:37
Arace consists of three parts: a long run, biking, and a short run. the biking...
Mathematics
25.09.2021 05:02
13x+8y+ 3z=164 11x+4y+8z=144 6x+2y+9z=96...
Mathematics
20.01.2020 17:30
New questions by subject
average movie prices in the unites States are, in general, lower than in other...
Mathematics
15.03.2023 22:34
Utilizando los tres documentos, proporcione en sus propias palabras como cada...
History
02.08.2020 12:36
1 3.1.5 Quiz: The Business Cycle A period of economic growth that follows the...
Business
29.05.2021 11:47
He drove at Puerto Princesa City to Taytay at an average speed of 40 kph How...
Mathematics
07.05.2021 23:58
if you are the first one to answer this question, you will be marked brsinlyest...
Mathematics
11.03.2022 10:18
Change the y intercept to 15. Write the new linear function, and name it h(x)....
Mathematics
16.09.2022 04:12
The area, A , of triangles is given by the following formula: A = (bh)/(2)...
Mathematics
04.06.2020 06:54
Find out answers to questions
from an AI-bot
from an AI-bot
Get full access
Answers
