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sweet-ann [11.9K]
2 years ago
12

(9x−4)−(2x−7) simplified

Mathematics
2 answers:
Andrej [43]2 years ago
8 0

Answer:

7x-11

Step-by-step explanation:

9 x  -  4  −  2 x  -  7

Next, group like terms:

9 x −  2 x  −  4  −  7

Now, combine like terms:

( 9 − 2 ) x + ( − 4 − 7 )

7 x +( − 11 )

7 x − 11

Ainat [17]2 years ago
4 0

Answer:7x+3

Step-by-step explanation:

(9x-4)-(2x-7)

Open brackets

9x-4-2x+7

Collect like terms

9x-2x-4+7

7x+3

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Based on the fact that Sienna has read 60 pages, we can infer that Micha has read 375 pages of the book.

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No, because it fails the vertical line test ⇒ B

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To check if the graph represents a function or not, use the vertical line test

<em>Vertical line test:</em> <em>Draw a vertical line to cuts the graph in different positions, </em>

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∵ The vertical line at x = 6 cuts the graph at two points

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→ That means the vertical line cuts the graph at more than 1 point

   in some positions

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