Answer: There are 495 possible different sets of answers the could contain exactly 8 correct answers of false.
Basically, we are looking for the number of different ways of selecting 8 objects out of a set of 12 objects. Our objects are answers of false and the set is the test.
This is a combination problem. The formula would be:
12! / (8! x 4!) = 495
Answer:
2.24
4.56
6.-46
Step-by-step explanation:
24-0
45+11
-55+9
Answer: here u go
Step-by-step explanation:
9.4 is the distance coming back with pythagorean theorem
add the original 13 miles
22.4 miles
Answer:
17
Step-by-step explanation:
√25 = 5
√144 = 12
5 + 12 = 17
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