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dmitriy555 [2]
3 years ago
15

Louise walked past Thurman at a speed of 2 feet per second. After 5 seconds, Thurman started after her at a speed of 4 feet per

second. How many seconds did it take Thurman to catch Louise?
Mathematics
1 answer:
mylen [45]3 years ago
3 0

Answer:

at 20 seconds

Step-by-step explanation:

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Answer:

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And we can assume a normal distribution and then we can solve the problem with the z score formula given by:

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And replacing we got:

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Step-by-step explanation:

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And for this case we want to find the percent of his expense between 38.6 and 57.8 so we want this probability:

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And we can assume a normal distribution and then we can solve the problem with the z score formula given by:

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And replacing we got:

z=\frac{38.6- 45}{16}= -0.4

z=\frac{57.8- 45}{16}= 0.8

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