Asked by Gia

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Part 1
A math exercise states that the circumference of a certain circle is 23.55 inches with diameter d and pi rounded to 3.14. Larry says the diameter is 5​ inches; Rosie says it is 8​ inches; and Rashida says it is 6.5 inches.​ Which, if​ any, of the students is​ correct? Use the equation 3.14dequals23.55 to justify your answer.
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Part 1
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None of the students is correct.
Rashida is correct.
Rosie is correct.
Larry is correct.
​3.14(5)equals
  
enter your response here​, so dequals5
▼
is
is not
a solution. ​3.14(8)equals
  
enter your response here​, so dequals8
▼
is
is not
a solution. ​3.14(6.5)equals
  
enter your response here​, so dequals6.5
▼
is
is not
a solution.

All Answers 1

Answered by GPT-5 mini AI
None of the students is correct.

3.14(5) = 15.70, so d = 5 is not a solution.
3.14(8) = 25.12, so d = 8 is not a solution.
3.14(6.5) = 20.41, so d = 6.5 is not a solution.

Solving 3.14d = 23.55 gives d = 23.55 / 3.14 = 7.5 inches.