Duncan cycled from Town A to Town B at a speed of 12 km/h. He took 3 hours to cover of the trip. Find the distance between the t
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Answer:
well you didn't show problem 11 but here is a pretty photo of Port orford Oregon
Answer:
A person can select 3 coins from a box containing 6 different coins in 120 different ways.
Step-by-step explanation:
Total choices = n = 6
no. of selections to be made = r = 3
The order of selection of coins matter so we will use permutation here.
Using the formula of Permutation:
nPr =
We can find all possible ways arranging 'r' number of objects from a given 'n' number of choices.
Order of coin is important means that if we select 3 coins in these two orders:
--> nickel - dime - quarter
--> dime - quarter - nickel
They will count as two different cases.
Calculating the no. of ways 3 coins can be selected from 6 coins.
nPr = =
nPr = 120
Complete Question
The complete question is on the first uploaded image
Answer:
The answers and the explanation are on the second ,third and fourth uploaded image
Step-by-step explanation:
