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
DaniilM [7]
3 years ago
14

There are 20 people in a room. If every person shakes hands with every other person, how many handshakes will there be altogethe

r?
Number of handshakes=?
Mathematics
1 answer:
just olya [345]3 years ago
7 0

Answer:400


Step-by-step explanation: if everyone hand shakes every other person the answer will be 400, because 20 times 20 is 400

hope I helped.


You might be interested in
Use the model to solve the equation 3/8 +2/8
torisob [31]
3+2=5
5/8. Hope that helps!
6 0
3 years ago
Real numbers are sometimes rational numbers​
9966 [12]

Answer:

False

Step-by-step explanation:

There are no real numbers that are considered rational or irrational numbers. The definition of a real number is that it's a combination of both rational and irrational numbers.

8 0
3 years ago
If yu were to randomly survey 500 people each from two largest us cities would this be a random study why or why not HELP NEEDED
Valentin [98]

Answer:

If you're timed then I would say,

Yes this is a random study because the problem specifically states that the survey samples were randomly selected from populations.

I think that is the answer! However, if you have time I would wait for another person to answer as well because I'm terrible at statistics :(

6 0
3 years ago
What does A equal? Plz help will mark BRAINLIEST ASAP!!!!
Ivanshal [37]

Answer:

48

Step-by-step explanation:

((8+16)÷2)×4=48

so the area would be 48

5 0
3 years ago
if two angles and a non included side of one triangle must be congruent to two angles and the corresponding non-included side of
zhenek [66]

Answer:

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Other questions:
  • If you mow 24 lawns and earn 10.50 for each lawn,your total earing are?
    9·2 answers
  • Write three ways to find different bases for 64
    12·1 answer
  • Karen works for $10 an hour. A total of 25% of her salary is deducted for taxes and insurance. She is trying to save $450 for a
    8·1 answer
  • sarah and her six friends are decorating picture frans with ribbon they have 5 rolls of ribbon to share evenly
    6·1 answer
  • Stacey filled her 1/2 cup of measuring cup seven times to have enough flour for a cake recipe how much flour does the cake recip
    9·1 answer
  • Tom runs a car dealership that currently
    8·1 answer
  • Need help finding slope, x-intercept, and y-intercept
    13·2 answers
  • 2. A six sided cube was rolled. What is the probability of showing an odd number?"
    7·2 answers
  • What is the value of x in the equation 21%+ 3) = 4(x-1)?<br> 1<br> 2<br> 3<br> 5
    14·1 answer
  • Two numbers multiply to equal -24 but adds up to equal -4
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!