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dem82 [27]
3 years ago
12

2. Gerald was given the following problem to solve for the length of the "?". He has made a mistake in his work.

Mathematics
1 answer:
Degger [83]3 years ago
5 0

Answer:

x = 18.7

Step-by-step explanation:

Gerald's answer is almost correct.  

He just needs to switch the 14 and the x.

it should be

24/x = 18/14

solve for x by cross multiplication

18x = (24)(14)

18x = 336

x = 18.7

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yulyashka [42]

Answer:

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Step-by-step explanation:

From the given information;

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∴

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At C'(x) = 0

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Thus, at x = 25, C'' > 0

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