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Tamiku [17]
3 years ago
5

A physicist working in a large laboratory has found that light particles traveling in a particle accelerator

Mathematics
1 answer:
Tomtit [17]3 years ago
8 0

The particle will reach 50 km/hr when x = 32.25 hours

Step-by-step explanation:

A physicist working in a large laboratory has found that light particles

traveling in a particle accelerator  increase velocity in a manner that

can be described by the linear function - 4 x + 3 y = 21, where

  • x is the time in hours
  • y is the velocity in kilometer per hour

We need to find when a certain particle will reach  50 km/h

∵ - 4 x + 3 y = 21 is a linear function

∵ x represents the time (number of hours)

∵ y represents the velocity in km/h

∵ The velocity of a particle will reach 50 km/h

- Substitute y by 50 in the function above

∴ - 4 x + 3(50) = 21

∴ - 4 x + 150 = 21

- Subtract 150 from both sides

∴ - 4 x = -129

- Divide both sides by -4

∴ x = 32.25 hours

The particle will reach 50 km/hr when x = 32.25 hours

Learn more:

You can learn more about word problems in brainly.com/question/9533500

#LearnwithBrainly

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