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babunello [35]
3 years ago
11

Jerry is traveling 475 miles to his mother's house. If his average speed is 62 miles per hour, which is a reasonable estimate of

the amount of time the trip will take?
Mathematics
1 answer:
Nutka1998 [239]3 years ago
3 0
7.662 is the approximate, about 7:30 hours.
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Here we can see that the sample size is inversely proportion withe square of margin of error.

i.e. n\ \alpha\ \dfrac{1}{E^2}

By the equation inverse variation, we have

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Given : E_1=0.05   n_1=1000

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(1000)(0.05)^2=n_2(0.025)^2\\\\\Rightarrow\ 2.5=0.000625n_2\\\\\Rightarrow\ n_2=\dfrac{2.5}{0.000625}=4000

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What type of number can be written as a fraction p%q where p and q aré integers and q is not equal to zero
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Therefore,  an equation that represents the depth of snow on Audrey's lawn, in inches, t hours after the snow stopped falling is S = 10 - 2t

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brainly.com/question/649785

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