Mathematics, 09.11.2020 23:20, cookie1701

There are 40 people at Drake's sweet sixteen party. Drake's only rule is that everyone in the party must meet and shake each others hand. If all 40 guest shake each other's hand once and only once. (1) How many handshakes are there altogether? (50 pts)
(2) How did you get your solution? (30 pts)
(3) What's the quickest way to figure this out if Drake invited 1000 people? (20 pts)
PLEASE EXPLAIN 3.

Answers: 3

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 15:00, juju323261

With these: 18/36 = 1/? missing number change 1 5/8 to improper fraction. change 19/5 to a mixed number.

Answers: 1

continue

Mathematics, 21.06.2019 18:30, Kelseyyleigh2611

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?

Answers: 3

continue

Mathematics, 22.06.2019 01:10, calmicaela12s

A3cm×3cm\greend{3\,\text{cm} \times 3\,\text{cm}} 3cm×3cm start color greend, 3, space, c, m, times, 3, space, c, m, end color greend rectangle sits inside a circle with radius of 4cm\blued{4\,\text{cm}} 4cm start color blued, 4, space, c, m, end color blued . what is the area of the shaded region? round your final answer to the nearest hundredth.

Answers: 3

continue

Mathematics, 22.06.2019 01:10, ahankaranth

"curse these trig-loving pirates! " devora mutters as she looks at the map. then, after thinking for a moment, she walks back to the entrance of the secret cave, measuring 48 meters along the way. after performing a calculation, devora walks back to the empty treasure, faces the entrance, and turns a certain number of degrees to her left before walking 89 meters to the treasure. supposing that the angle at the cave entrance is acute and that devora's calculations were correct, how many degrees did she turn?

Answers: 2

continue

Do you know the correct answer?

There are 40 people at Drake's sweet sixteen party. Drake's only rule is that everyone in the party...