Answer: The common denominator is 63 so..
27/63 < 28/63 so 3/7 < 4/9
Hope this helps
Step-by-step explanation:
Answer:
21 roads
Step-by-step explanation:
If each two cities are connected by a direct road, to find the number of roads we just need to solve a combination of 7 choose 2, that is, we need to find all pairs of two cities among the 7 cities:
Combination of 7 choose 2 = 7! / (5! * 2!) = 7*6/2 = 21
So there is a total of 21 roads on the island.
Answer:
the answer is a
Step-by-step explanation:
Answer:
43
Step-by-step explanation:
Find the perimeter of the triangle and your answer is yellow
