The circumference of a circle is 7π in. Find its radius, in inches.
2 answers:
Answer:
Step-by-step explanation:
<h2>Given :</h2>- The circumference of a circle is 7π in.
- Find its radius, in inches.
- r = c/2
where,
- r = radius
- c = circumference
⟼ r = c/2
⟼ r = 7×22÷7/2 in
⟼ r = 22/2 in
⟼ r = 11 in.
- Hence, radius is <u>11 inches.</u>
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Answer:
32% of the students did not have a pet.
Step-by-step explanation:
From the total students (100%):
- 1/4 of them had a dog only,
. Then, 25% had a dog only.
- 20% only had a cat.
- 15% had multiple pets.
- 0.08=8% only had other than cats or dogs.
- <u>Adding up all these cases, we obtain the proportion of students that had at least one pet:</u>
. Then, 68% of the students did have a pet.
- The rest of the students
, did not have any pet.