The number of unique ways is given by the number of possible
combination having distinct members.
The number of unique ways there are to arrange 4 of the 6 swimmers are <u>15 ways</u>.
Reasons:
The given parameters are;
The number of swimmers available = 6 swimmers
The number of swimmers the coach must select = 4 swimmers
Required:
The number of unique ways to arrange 4 of the 6 swimmers.
Solution:
The number of possible combination of swimmers is given as follows;

Therefore, the coach can select 4 of the 6 available swimmers in <u>15 unique ways</u>
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Answer: d = -3
Step-by-step explanation:
2d+3=7d+18
-5d=15
d=-3
Answer:
x+x+30 is the required expression.
Step-by-step explanation:
You watch x minutes of television on Monday
An since, the same amount on Wednesday that means x minutes on Wednesday
And 30 minutes on Friday
Since, we have to tell the expression that represents the total amount in the given situation that means
x+x+30 is the required expression.