The value of y varies directly with x. If x = 3, then y = 21. What is the value of x when y = 105?
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The difference between the circumference of circle X and circumference of circle Y is 5π cm.
<h3>What is circumference of a circle?</h3>This is the distance round a circle.
The circumference of circle X is calculated as follows;
The circumference of circle Y is calculated as follows;
The difference between the circumference of circle X and circumference of circle Y is calculated as follows;
Thus, the difference between the circumference of circle X and circumference of circle Y is 5π cm.
Learn more about circumference of a circle here: brainly.com/question/9782777