For the first digit you have 10 options (0..9).
For each next digit you can't choose the same digit, so you have 9 options.
So number of combinations is 10*9*9*9*9 = <span>65610</span>
Answer:
Step-by-step explanation:
its center is (1,1) and radius=1
Answer:
18.66 minutes or 18 minutes 39.6 seconds
Step-by-step explanation:
23 x .19 = 4.37
23 - 4.37 = 18.66 minutes
-1/22, 5/11, 49/24, -5/8, -1, 25/16
You do it by cross multiplication so 7*54 and 42*x
378=42x
x=9
