<em>The question isn't complete. This is just part of the question</em>
<em>So please send the whole question together.</em>
Answer:
10
Step-by-step explanation:
n is the number of selections and k the number selected, that is
n = 5 and k = 2
note that n! = n(n - 1)(n - 2) ..... × 3 × 2 × 1, thus
= 
= 
= 
= 10
Answer:
Step-by-step explanation:
Area of sector = angle/360 * pi * r^2
5.5pi = angle/360 * pi * 9
5.5 = angle/360 * 9
angle = (5.5 * 360)/9 = 40 * 5.5 = 220
5,000
You would do 5 x 1= 5 and then add the three zeros
Answer:
image
Step-by-step explanation:
