Is 19 equal to 4.358

Mathematics

1 answer:

AURORKA [14]2 years ago

7 0

Answer:

Step-by-step explanation:

19=19 and 4.358=4.358

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Which travels faster: a car that travels 130 miles in 2 hours at a constant speed or a train that travels 300 miles in 5 hours a

Vsevolod [243]

Answer:

the train travels faster than the car

Step-by-step explanation:

first solve for the train multiply 130 by 2 to have it for 4 hours and that would be the car travels 260 miles in 4 hours then divide 130 by 2 to get to five hours which will be the car travels 325 miles in 5 hours so therefore the answer would be the trains travels faster hope this helped :-)

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3 years ago

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The time that it takes a randomly selected job applicant to perform a certain task has a distribution that can be approximated b

Gala2k [10]

Answer:

214.5 seconds or less time will qualify individuals for such training

Step-by-step explanation:

given that the time that it takes a randomly selected job applicant to perform a certain task has a distribution that can be approximated by a normal distribution with a mean value of 150 sec and a standard deviation of 25 sec.

i.e. X the time that it takes a randomly selected job applicant to perform a certain task is N(150,25)

The fastest 10% are the ones who are above the 90th percentile

We know 90th percentile for Z std normal score is 1.28

Corresponding X score would be

$x=\mu+1.28 \sigma\\X= 150+1.28(25)\\= 214.50$