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Thepotemich [5.8K]
3 years ago
11

1/4(8y – 4.8) – 2 (0.9y+ 5.4) + 3/4

Mathematics
1 answer:
timama [110]3 years ago
3 0

Answer:sh

Step-by-step explanation:my

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Anson estimated he would need 17 hours to complete his science project. He actually needed 19 1 2 19 1 2 hours. What was his per
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Answer:

The answer is B. 14.7%.

Step-by-step explanation:

Given:

Estimated time need to complete project 17h.

Actually time needed 19\frac{1}{2}h=\frac{39}{2}h.

Difference between the time ET-AT= \frac{39}{2}- 17\\=\frac{39}{2} -\frac{34}{2}\\ =\frac{5}{2}=2.5h.

So, the percentage error is \frac{2.5}{17}\times100\\ =\frac{250}{17} \\=14.70%.

Therefore, the answer is B. 14.7%.

 

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the \: expession \: is \: equivalent \: to \: 2

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2 years ago
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The answer is 6(12+7) because the highest common factor of 72 and 42 is 6. (12•6=72 and 6•7=42)
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The answer is h=5
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