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Anuta_ua [19.1K]
3 years ago
9

Electron is organizing the bookcase in the school library. He makes sure each shelf has 15 books on it. There are 9 shelves of m

ath books and 6 shelves of science books.
Mathematics
1 answer:
Paul [167]3 years ago
6 0

Answer:

Total amount of books in the bookcase =  225 books

Step-by-step explanation:

Each shelf is to have 15 books

Therefore total amount of books in the bookcase = {9×15} + {6×15} = 225 books

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Answer:

Option (4)

Step-by-step explanation:

Proportional relationship means,

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Therefore, if the graph of a line passes through the origin (0, 0) table will represent the proportional relationship.

From table 1,

For a point (1, 2)

k=\frac{2}{1}=2

For another point (3, 2)

k=\frac{3}{2}=1.5

In both the cases 'k' is not same of constant.

Therefore, table (1) is not proportional.

For table (2),

Line passes through (2, 0).

That means there is a x-intercept → (2, 0)

Therefore, table doesn't represent a proportional relationship.

For table (3),

Line passes through a point (0, 1)

It means given line has a y-intercept → y = 1

Therefore, table doesn't represent a proportional relationship.

For table (4),

Line of this table passes through two points (1, 3) and (2, 6)

k=\frac{3}{1}=3

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Now we can graph table (4).

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