A safe's lock has a three number combination. The
1 answer:
Answer:
Step-by-step explanation:
Each number has initially 10 options .
If one option used for the first number then the second number has one less, 9 options . Similarly, the third number has one less number of options than the second number, 8 options .
Total number of combinations is
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Answer:
x = 17 and y = 10
Step-by-step explanation:
ABCD is a parallelogram
So AB = CD and AD = BC
so
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Answer
x = 17 and y = 10
