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sleet_krkn [62]
3 years ago
5

There are 7 people at a party. If each person shakes the hand of everyone exactly once, how many handshakes will take place show

your work
Mathematics
2 answers:
nlexa [21]3 years ago
7 0
You do 7 X 6, which is 42. if everyone shakes everyones elses hand, without shaking there own, that is 6. then you multiply 

makkiz [27]3 years ago
4 0
So if there is 7 people and shakes the hand of everyone once it would be  6 shakes for one person to shake all the 7 people.6 because himself is counted as one.
So if we multiply 6x7 we would have our answer which in this case is 42 
42 handshakes in total from everybody.
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If y = kx, and x = 3 and y = 15, calculate k.
kenny6666 [7]

Answer:

k = 5

Step-by-step explanation:

Since the equation is y = kx and x equals 3 while y equals 15, in order to solve this equation we are going to have to substitute the variables with their answers:

x = 3

y = 15

15 = 3k

Now we divide 3 from both 3x and 15 to segregate the variable x:

15/3 = 3k/3

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Now to check our work we are going to substitute 5 for the variable k, 3 for the variable x and 15 for the variable y.

y = kx

15= (5)(3)

15 = 15

Tada, I hope this helps you!

6 0
3 years ago
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Answer:

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Step-by-step explanation:

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