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tangare [24]
3 years ago
15

Find all numbers whose absolute value is 4.

Mathematics
1 answer:
mash [69]3 years ago
6 0
Among real numbers, there are two whose absolute value is 4.
  |-4| = 4
  |4| = 4

The numbers whose absolute value is 4 are ...
  -4, 4
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Nikita ran a 5-kilometer race in 39 minutes (0.65 of an hour) without training beforehand. In the first part of the race, her av
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Nikita's distance from her for the second part of the race was 1.5 kilometers.

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:

  • 8.75 x 0.65 + 6 x 0 = 5.68
  • 8.75 x 0.50 + 6 x 0.15 = 5.275
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  • 100 = 60
  • 40 = X
  • 40 x 60/100 = X
  • 24 = X
  • 39 - 24 = 15
  • 15 = 1/4 hour
  • 6/4 = 1.5

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

Learn more about maths in brainly.com/question/22791791

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What is the percent increase rounded to the nearest percent ,from 5 to 8
krok68 [10]
The increase from 5 to 8 was by 60%.
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Weight is simply the force of gravity acting on an object. TRUE or FALSE
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3 0
3 years ago
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Step-by-step explanation:

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