Answer:
The circumference of the circle to the nearest tenth is 87.9
Step-by-step explanation:
In order to find the circumference using the diameter, you multiply the diameter times pi which is 3.14. 28*3.14 equals 87.92 which rounded to the nearest tenth is 87.9.
Answer:

Step-by-step explanation:
Step 1;
Write expression




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Answer:
There are 35 students in the class
Step-by-step explanation:
We would divide 21 by 60%
21/0.6 = 35 students.