4. Suppose Oceana wants to build 10 feet below the average waterline. What is the maximum amount of time she can have for making her castle?

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A: As per our guidelines we can answer only three subparts. please repost other seperately

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A: Consider the given figure.

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Q: 23. Find two numbers whose sum is 10 and the sum of their squares is a minimum.

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Q: The City Council proposed to utilize a government-owned land with an area of 21,600 square meters.…

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Q: Our City Council proposed to utilize a government-owned land with an area of 9,600 square meters.…

A: Given: The City Council proposed to utilize a government-owned land with an area of 9,600 square…

Q: 9. A student wishes to maximize the amount of poster space for an art exhibit. The requirements are…

A: As per our guidelines we are supposed to answer only one question.Kindly repost other question as…

Q: The City Council proposed to utilize a government-owned land with an area of 9,600 square meters.…

A: The City Council proposed to utilize a government-owned land with an area of 9,600 square meters.…

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Q: The City Council proposed to utilize a government-owned land with an area of 21,600 square meters.…

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Q: The City Council proposed to utilize a government-owned land with an area of 21,600 square meters.…

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Q: The City Council proposed to utilize a government-owned land with an area of 9,600 square meters.…

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Q: 2. Find two numbers whose difference is 100 and whose product is a minimum.

A: