-5(n - 5) -5 what is the n?
2 answers:
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Answer:
P=0.0899.
Step-by-step explanation:
We know that are 5 black balls and 9 red balls in an urn. If 4 balls are drawn without replacement. We calculate the probability that exactly 3 black balls are drawn.
Therefore, we have 14 balls in an urn.
We calculate the number of possible combinations:
We calculate the number of favorable combinations:
Therefore, the probability is:
P=90/1001
P=0.0899.
Answer:
The answer is
<h2>r =4 ft</h2>Step-by-step explanation:
Area of a circle is given by πr²
Where r is the radius
From the question
Area = 64 ft²
So the radius is
64 = πr²
Divide both sides by π
Find the square root of both sides
r = 4 ft
Hope this helps you