Nihkil surveyed 20 students at his middle school and 13 of them had at least one sibling. What percent of the students surveyed
1 answer:
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Answer:
C
Step-by-step explanation:
Given that Q varies inversely as the square of p then the equation relating them is
Q = ← k is the constant of variation
To find k use the condition Q = 36 when p = 7
k = Qp² = 36 × 7² = 36 × 49 = 1764
Q = ← equation of variation
When p = 6, then
Q = =
= 49 → C