Answer: B
Step-by-step explanation:
Answer:
1287
Step-by-step explanation:
The number of combinations of 13 diamonds taken 5 at a time is ...
13C5 = 13·12·11·10·9/(5·4·3·2·1) = 13·11·9 = 1287
Answer:
180’ - 130’
Step-by-step explanation:
Answer:
-1/8
Step-by-step explanation:
The second option is true: 3/6= 4/8