Answer: a semi circle is half a circle so 35 divided by 2 is 17.5
Step-by-step explanation:
The sunken ship and the airplane are the same distance from sea level.
This is because -4 and 4 are on exact opposite sides of the number line.
40 paper I think because 8 times 5 is 40
Answer:
Combination; number of ways = 15.
Step-by-step explanation:
Given that there are 6 people in the contest. So it means n = 6.
Two winners each win gift cards. So it means r = 2.
Each gift card is same, so both persons are equally important. It means the order does not matter here, so it is the case of Combinations. We will use nCr formula.
Total number of ways = 6C2 = (6*5)/2 = 15.
Hence, Combination; number of ways = 15.
