Answer:
he can travel 495 km in 9 hr
distance covered in one hr = 275\5
55
distance covered in 9 hrs =495
Answer:

Step-by-step explanation:




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The probability that he first chooses an advanced book and then chooses a beginner book is 6/121.
<h3>Probability</h3>
Given:
Beginner book=2
Intermediate book=6
Instructional piano books=11
Advanced books=3
Hence:
Probability=(2×3)÷(11×11)
Probability=6/121
Therefore the probability that he first chooses an advanced book and then chooses a beginner book is 6/121.
Learn more about probability here: brainly.com/question/24756209
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Answer:
The simplified system is the arbitrary solution of the original system of equations.
Y=9
X=6
Step-by-step explanation:
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