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Answer:
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<h3>Answer:</h3>
12 students
<h3>Explanation:</h3>
40% earned a B; 20% earned an A, so (40%+20% =) 60% got a "B or better."
60% of 20 students is ...
... 60/100 × 20 students = 1200/100 students = 12 students
A) 2L + 2W = 152B) L = W + 28We substitute equation B) into A)A) 2 * (W + 28) + 2W = 152A) 2W + 56 + 2W = 152A) 4W = 96A) Width = 24 feet
Length = 52 feet
Answer:
≈9
Step-by-step explanation:
V= πr^2(h/3)
1356.48= πr^2(16/3)
r= 8.99 or about 9
