T.J. is hosting a dinner party. T.J. greets the first guest and they shake hands. The second guest arrives and shakes hands with

Question

3 years ago

6

T.J. is hosting a dinner party. T.J. greets the first guest and they shake hands. The second guest arrives and shakes hands with

T.J. and the first guest. The third guest arrives and shakes hands with T.J., the first guest, and the second guest. This pattern continues. How many handshakes have taken place after the ninth guest arrives?

Mathematics

2 answers:

xenn [34] · Answer 1 · 2022-07-21T13:57:54+03:00

xenn [34]3 years ago

8 0

Answer:

45 Handshakes

Step-by-step explanation:

45 Handshakes have taken place all together

pochemuha · Answer 2 · 2022-07-21T15:39:54+03:00

pochemuha3 years ago

5 0

Answer:

45

Step-by-step explanation: