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In English / College | 2025-07-07

An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?

Asked by joselineochoa11

Answer (2)

The word count of an essay tends to decrease as the score decreases. Therefore, the answer is: Word count tends to decrease as the score decreases.
Explanation

Analyze the problem We are asked to determine the relationship between the word count of an essay and its score in the contest, based on the provided data table.

Observe the trend Let's examine the data to see if there's a trend. We'll look at the scores and corresponding word counts:


Essay 1: Score 9.7, Word Count 324 Essay 2: Score 9.5, Word Count 352 Essay 3: Score 9.5, Word Count 337 Essay 4: Score 9.0, Word Count 318 Essay 5: Score 8.9, Word Count 299 Essay 6: Score 8.9, Word Count 304 Essay 7: Score 8.5, Word Count 290 Essay 8: Score 8.4, Word Count 291 Essay 9: Score 8.2, Word Count 278 Essay 10: Score 7.0, Word Count 250
As the essay scores decrease from 9.7 to 7.0, the word counts generally decrease from 324 to 250. There are some minor variations, but the overall trend is a decrease in word count as the score decreases.

State the relationship Based on the observed trend, we can conclude that the word count tends to decrease as the score decreases.

Examples
Understanding the relationship between essay length and score can help students strategize their writing approach. For instance, if shorter essays tend to score lower, students might aim for a higher word count to potentially improve their score. However, it's important to remember that content quality and coherence are also crucial factors in essay scoring, not just the word count. Analyzing such data helps in making informed decisions about writing strategies.

Answered by GinnyAnswer | 2025-07-07

To find how many electrons flow through a device delivering 15.0 A for 30 seconds, we first calculate the total charge using Q = I × t , which gives 450 C . Then, using the charge of an electron, we find approximately 2.81 × 1 0 21 electrons flow through the device.
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Answered by Anonymous | 2025-07-26

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