1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Irina-Kira [14]
3 years ago
13

HELPPP FIRST ANSWER THAT IS ACCURATE WITH EXPLANATION GETS BRAINLIST 5 STARS AND THANKS ( DONT PLAGIARIZE )

Mathematics
2 answers:
Marta_Voda [28]3 years ago
8 0

Answer:

20 x 19 = 380 hands touched

380/2 = 190 handshakes

Step-by-step explanation:

Svetach [21]3 years ago
8 0

Answer:   190 handshakes

Step-by-step explanation:

The first will shake 19  hands, the second 18 hands and so  on......the 19 th will shake one hand

so 19+18+17+.....+1=19*20/2=19*10=190 handshakes

It is  ok now?

You might be interested in
HELP PLS 30) PTS
Verdich [7]

Answer:

32 ; 20

Step-by-step explanation:

Middle section: 26

Sum of parallel lengths: 2 × 26 = 52

Ratio of the sides:

100% : 62.5%

8 : 5

5/(8+5) × 52

20

8/(8+5) × 52

32

6 0
3 years ago
What is the volume of the water in the container when it is 2/3-full? Measuring 23 cm by 10 cm by 6 cm
topjm [15]

Answer:

2/3 full = 23 × 10 × 6 × \frac{2}{3}

            = 920 cm^3

8 0
3 years ago
What is 9.39 to one decimal place
mafiozo [28]
9.4 because the number after the firs decimal point is higher than 5
5 0
3 years ago
How do you find the area of an inscribed polygon??
Marta_Voda [28]

Answer:

idk

Step-by-step explanation:

6 0
3 years ago
Write the ratios in the form n:1<br> 12:3=
uranmaximum [27]

Answer:

4:1 (divide both sides by 3)

Step-by-step explanation:

3 0
3 years ago
Other questions:
  • Which option lists best an expression that is not equivalent to 4 2/3?
    12·1 answer
  • Math help!
    13·1 answer
  • Help solve this picture
    9·1 answer
  • use an equation to write each fraction as multiple of unit fraction 1/6 + 1/6 + 1/6 + 1/6 + 1/6 how do you get to 5/6
    8·1 answer
  • What interval includes all possible values of x, where –3(6 – 2x) ≥ 4x + 12?
    9·2 answers
  • Define the domain of the function for investment A.
    8·1 answer
  • Determine the answer to 3+(-5) and explain the steps using the number line
    8·2 answers
  • Jenny scored a 23/28 on her math test. Tess scored a 81 percent. Who
    11·2 answers
  • 1/100,000 as a power of ten. What Is it?
    11·2 answers
  • The price of a new toy is $28. During the first week, the number of toys sold at a local store is tracked. What are the total sa
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!