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Eduardwww [97]
3 years ago
9

1. Sam walks 3/8 km to school. After school, he walks another (x+1)/3 km to get to work. What simplified rational expression des

cribes the total length of both of his walks?
Mathematics
1 answer:
Brilliant_brown [7]3 years ago
3 0

Answer:

The answer to your question is (17 + 8x)/24

Step-by-step explanation:

Data

First distance = 3/8 km

second distance = (x + 1)/3 km

Process

1.- Sum both distances

                    3/8 + (x + 1)/3

- Find the Least common factor

                    8   3   2

                    4   3   2

                    2   3   2

                     1   3   3

                          1

LCF = 2x 2 x 2 x 3 = 24

- Sum the fractions

                  3/8 + (x + 1)/3 = (9 + 8(x + 1)) / 24

-Simplification                                          

                                         = (9 + 8x + 8) / 24

-Result

                                         = (17 + 8x)/24

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Explanation:
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Answers:

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===============================================

Explanation:

The y intercept is where the curve crosses the y axis. The curve appears to do so just below y = 10, so y = 9 seems like a good estimate. I'm basing this off of the answer choices given. The y intercept always occurs when x = 0.

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