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Rufina [12.5K]
3 years ago
12

How many students in all scored 100 or 95? PLEASE HELP!! And with question 2. And 3.

Mathematics
1 answer:
myrzilka [38]3 years ago
4 0
The answer for #2. 2
for # 3. 32 students
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5/12-3/8 In Simplest form can someone please break it down so I can understand how to get the answer..
jeka94
To find 5/12-3/8, you have to find a common denominator. A common denominator of 12 and 8 could be 24. So, you multiply 5/12, both the numerator and the denominator by 2, which gives you 10/24. Then, you multiply 3/8 both by 3 to get the common denominator of 24. 3/8x 3 is 9/24. So, 10/24-9/24 is 1/24 because you only subtract the numerator and keep the denominator the same.
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A synthetic fiber used in manufacturing carpet has tensile strength that is normally distributed with mean 75.5 psi and standard
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