Answer:
Step-by-step explanation:
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Answer:0.00011726
Step-by-step explanation:
2n+5...a couple is two people so you need to multiply the number of couples, n, by 2 to get the total number of dancers. Then add the total number of organizers.
X is 90 degrees. If AB is the diameter, then it passes through the centre. X is 90 degrees because the angle in a semicircle is always a right angle.
You answer is correct. For example
Even:
16+4 = 20
194+4=198
Odd:
13+4=17
235+4=239
