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myrzilka [38]
3 years ago
6

Linda has a bookcase with n shelves .There are 11 books on each shelf.Using n,write and expression for the total number of books

.
Mathematics
2 answers:
8_murik_8 [283]3 years ago
7 0

Answer:

11*n

Step-by-step explanation:

11 is each bookshelf, n is an unknown number, try to imagine it as 2. You would multiply 11 by two to get total number of books.

aliina [53]3 years ago
4 0

Answer: 11n

Step-by-step explanation:

Given : Linda has a bookcase with n shelves .There are 11 books on each shelf.

Then, the expression for the total number of books in the book case is given by:_

\text{Books in each shelf}\times\text{Number of shelves}\\\\=11\times n=11n

Therefore, the expression for the total number of books in the book case is 11n

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Hank has to drain his pool so repairs can be done on a crack on the bottom. The company coming to fix the pool is scheduled to a
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Answer:

The answer to the question: "Will Hank have the pool drained in time?" is:

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Step-by-step explanation:

To identify the time Hank needs to drain the pool, we can begin with the time Hank has from 8:00 AM to 2:00 PM in minutes:

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Now we know Hank has 360 minutes to drain the pool, we're gonna calculate the volume of the pool with the given measurements and the next equation:

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Since the drain rate is in gallons, we must convert the obtained volume to gallons too, we must know that:

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Now, we use a rule of three:

If:

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And we calculate:

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At last, we must identify how much time take to drain the pool with a volume of 42267.52 gallons if the drain rate is 130 gal/min:

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As we know, <u><em>Hank has 360 minutes to drain the pool and how it would be drained in 326 minutes approximately, we know Hank will have the pool drained in time and will have and additional 34 minutes</em></u>.

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