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jasenka [17]
3 years ago
13

Which expression shows the result of applying the distributive property to 3(1/2x - 1/7)

Mathematics
1 answer:
AveGali [126]3 years ago
8 0
The answer is 3/2x - 3/7
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Rus_ich [418]

Answer:

a. 47

b. 87

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Step-by-step explanation:

Assume a total of 4 exams ( first 3 plus a final)

Let final score be X,

Hence,  average score = (85 + 71 + 77 + x) / 4 = (233 + x) / 4

a) to get a C, the average score must be 70

70 = (233 + x) / 4

(233 + x) = 70 (4) = 280

x = 280 - 233 = 47 (Ans)

b) to get a B, the average score must be 80

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c) to get a A, the average score must be 90

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(233 + x) = 90 (4) = 360

x = 360 - 233 =  127 (Ans)

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3 years ago
Describe the term linear pair, and give an example from the diagram.
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Answer/Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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