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Elenna [48]
3 years ago
11

The sum of 1/6, 2/3, and 1/4 is

Mathematics
1 answer:
kenny6666 [7]3 years ago
4 0
<span>When adding up fractions, the idea is to bring them to a common denominator. In our case, the common denominator is 12. So we must amplify each fraction in order to bring its denominator to 12. 1/6 becomes 1*2/6*2 = 2/12. 2/3 becomes 2*4/3*4. 1/4 becomes 1*3/4*3. When we sum them up we get 2/12 + 8/12 + 3/13 or 13/12, which is (12+1)/12 or 12/12 + 1/12 or 1+ 1/12. So the answer is C.</span>
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2 years ago
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Using the distributive property, an equivalent expression would be 6-16y


Comment the correct answer. 
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3 years ago
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What is the estimated margin of error, using standard deviation?
OLEGan [10]
Find the mean ( average):
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Standard deviation:
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108.5 - 104 = 4, 4^2 = 16
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114 - 108.5 = 5.5, 5.5^2 = 30.25
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12.25 + 16 +2.25 + 12.25 + 30.25 +6.25+0.25+0.25 = 79.75
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Margin of error = +/- 2.19



3 0
2 years ago
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stich3 [128]

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-0.7

Step-by-step explanation:

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-2n=3.2-1.8

-2n=1.4

n=1.4/-2

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4 0
3 years ago
Which of the following statements must be true about this diagram?<br> Check all that apply.
Alik [6]

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i would go for a and c

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