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3 years ago

9

Only got a few mins, please help

2 answers:

Keith_Richards [23]3 years ago

7 0

The first one is the answer because he starts with $300 (which would be the b in this case) and he gets $5 for EACH customer (so that would be 5x)

777dan777 [17]3 years ago

5 0

5x + 300 is most appropriate for this question.

Explanation: he gets $5 per bought subscription so the x represents the number of bought subscriptions. he gets an initial pay of $300 so that would be the amount of money he starts with. that’s why the y intercept is 300.

Hope this helps! :)

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Answer:

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Step-by-step explanation:

We are given that

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Area of end of the log, A= $pi r^2$

$\frac{dA}{dr}=2\pi r$

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Now,

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$dA=\frac{dA}{dr}(\Delta r)$

Using the values

$dA=18\pi (\pm 1/2)$

$\Delta A\approx dA=\pm 9in^2$

Hence, the possible propagated error in computing the area of the end of the log $=\pm 9in^2$

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