Tran is solving the quadratic equation 2x2 – 4x – 3 = 0 by completing the square. His first four steps are shown in the table.
2 answers:
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Answer:
E
Step-by-step explanation:
1) Circle can intersect 1 corner of triangle.
2) Circle can intersect 2 sides of triangle 1 time.
3) Circle can intersect 2 sides of triangle 1 time and 1 corner of triangle.
4) Circle can intersect 2 sides of triangle 2 times.
5) Circle can intersect 2 sides of triangle 2 times and 1 side of triangle 1 time.
6) Circle can intersect 3 sides of triangle 2 times
I have attached the picture to understand better and to eliminate any confusions.
Answer:
252 ways
Step-by-step explanation:
The missing details are:
--- total restaurants
--- restaurants to visit
Required
The number of ways to perform the visitation
The question is an illustration of combination;
So, we have:
This gives:
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Cancel out 5!
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