jprado01

28.08.2021 • 

Mathematics

0. Mr Green buys four cinema tickets for himself, his wife and their best friends Mr and Mrs White. Mrs Green is a rather large lady who must sit in a wider aisle seat. In the interest of marital harmony each husband must sit next to his wife. The tickets are for seats, A1, A2, A3 and A4 shown on the plan below. The outing was so enjoyable that all three couples decide to repeat the experience the following week but this time Mr Green buys tickets for seats A1, A2, A3, A4, B1 and B2. Assuming that the usual restrictions about where they can sit still apply, work out the number of ways in which Mr Green can allocate the tickets. B1 B2 B3 B4 B5 B6 B7 Aisle A1 A2 A3 A4 A5 A6 A7​

Ответ:

Thelearner100

08.03.2023

Mathematics

---

Finding the midpoint between two points on a line involves three steps:

1. Find the distance between the two points
2. Find half of that distance
3. Either add that half to the lowest point, or subtract it from the highest point.

To find the distance between 52 and -18, we can take the absolute value of their difference. The reason we take the absolute value is to force the sign to be positive, since distances can never be negative. -18 - 52 = -70, and |-70| = 70.

Second, we find half of that distance, which in this case would be 70/2 = 35.

Finally, we add that value to -18 to find a midpoint of -18 + 35 = 17.

---

0,0(0 оценок)