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crimeas [40]
3 years ago
11

JOHN HAD 2/3 OF HIS HOMEWORK COMPLETE, SARAH HAD 5/10, ALEX 7/8, AND MICHELLE 1/2. WHO COMPLETED THE MOST OF THE HOMEWORK ASSIGN

MENT?
A. ALEX
B. MICHELLE
C. SARAH
D. JOHN
Mathematics
1 answer:
Lemur [1.5K]3 years ago
7 0
<span>We can either calculate each fraction and compare the results, or bring all of the fractions to a common denominator by finding the smallest common multiple for the fractions' denominators (3, 10, 8, 2), which is 3 * 2^3 * 5 = 120. Thus we must amplify each fraction so that its denominator becomes 120. 2/3 becomes 40/120, 5/10 becomes 60/120, 7/8 becomes 105/120 and 1/2 becomes 60/120. We can clearly see now that the largest of these fraction is the third (105/120). So the answer is C. Sarah.</span>
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V=(4/3)pir^3
find smaller
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V=(4/3)pi512
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twice of that
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Vbig=(4096/3)pi
find radius
(4096/3)pi=(4/3)pir^3
divide both sides by pi
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times both sides by 3
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divide both sides by 4
1024=r^3
cube root both sides
8∛2=r
aprox
10.0794


the answer you are looking for is 8∛2 or 10.0794in or something close to that
6 0
3 years ago
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