The combination for a lock uses three of the digits 1, 2, 3, and 4. How many three-digit combinations can the lock have? Explain
1 answer:
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Step-by-step explanation:
Simply use the general equation of a circle to obtain its equation given the center. Because radius is 5 units, this may be referred to the 3-4-5 triangle, meaning the point on circumference is 3 units across in the x-direction and 4 units up in the y-direction.
