It's definitely A, gotta be.
4 Americans can arrange themselves in 4! ways.similarly ,3 Frenchmen can arrange themselves in 3! ways.3 Englishmen can arrange themselves in 3! ways.now these 3 groups of same nationality people can be arranged among themselves in 3! ways.so total number of ways = 3!4!3!3!
Answer:
$203.27
Step-by-step explanation:
203 dollars = $203
27 coins = 0.27 cents
$203.27
The following are scores made on a math test. 80, 90, 90, 85, 60, 70, 75, 85, 90, 60, 80 What is the mode of these scores?
puteri [66]
Answer: 90
Step-by-step explanation: The mode is the number that appears most frequently in a data set.
Notice that the score 90 appears more than any other
number in the set.
This means that 90 is the mode.
Answer:
Step-by-step explanation:
2x + 3 = 1
Collecting like terms
2x = 1 - 3
2x = -2
x = -2/2
x = -1