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liubo4ka [24]
3 years ago
10

cole puts 68 books in a bookcase.he puts an equal number of books on each of 9 shelves and 5 books on the last shelf. how many b

ooks are on each of the 9 shelves?
Mathematics
2 answers:
dlinn [17]3 years ago
8 0
7 because i divde
and got 7

fredd [130]3 years ago
3 0
9x + 5 = 68
9x = 63
x = 7
Cole put seven books on each shelf.
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The price of ceramic tile at a discount tile store is represented on the graph below.
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Which expression is represented by the diagram?<br> o -6-(-1)<br> o -6-1<br> o -5-(-1)<br> o -5-1
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Option A:

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Solution:

Minus symbol are given in the diagram.

There are 6 minus symbol in the diagram.

From that expression 1 minus symbol is cancelled.

<em><u>To find which expression represents this situation:</u></em>

Option A: –6 – (–1)

Total number of minus = –6

From this cancel one minus: –6 – (–1)

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This is the correct answer.

Option B: –6 –1

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But note that remaining 5 minus are only there in the diagram.

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Option C: –5 – (–1)

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Option D: –5 –1

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                                             Question 27

The graph on question 27 indicates that there are three points with the locations such as:

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In other words, there are three points that lie on the graph with the x-values such as:

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We know that the domain includes the set of x-values.

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Thus, the function represented on the graph has a discrete domain.

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The graph on question 27 indicates that the line segment with the end-points (0, 25) and (7, 20).

Since there is a continuous line between the points from x = 0 to x = 7.

Thus, the domain of the line function is:

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As the line segment is a continuous line. Thus, the domain is continuous.

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