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ra1l [238]
3 years ago
8

Question 3

Mathematics
2 answers:
Sergio [31]3 years ago
8 0

9514 1404 393

Answer:

  7x - 19 = x + 16

Step-by-step explanation:

Once you get over your aversion to "word problems", you find that the translation from English is not hard.

"Seven times a number" is 7x.

Nineteen less than that is 7x-19.

"16 more than the number" is x+16.

"Is" means "is equal to," so you have ...

  7x -19 = x +16 . . . . . . . matches the first choice

_____

<em>Additional comment</em>

The 11-digit number at the top is intended to impart an energy that may help with an aversion to word problems. The effect is subtle and often takes numerous repetitions over time.

Oksanka [162]3 years ago
6 0

Answer:

 7x - 19 = x + 16

Step-by-step explanation:

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Since Nikita ran a 5-kilometer race in 39 minutes (0.65 of an hour) without training beforehand, and in the first part of the race, her average speed was 8.75 kilometers per hour, while for the second part of the race, she started to get tired, so her average speed dropped to 6 kilometers per hour, to determine which expression represents Nikita's distance for the second part of the race the following calculation must be performed:

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Therefore, Nikita's distance from her for the second part of the race was 1.5 kilometers.

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