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3 years ago

Eric is 6ft 2 in. tall. His brother is 4ft 9 in.tall.How many inches taller is Eric than his brother?

Mathematics

2 answers:

Oksanka [162]3 years ago

5 0

Answer:

Step-by-step explanation:

6ft and 2 in === 74 in

4ft and 9 in === 57 in

74-57 = 17 in

goldenfox [79]3 years ago

5 0

Answer:

17 inches

Step-by-step explanation:

Eric is 6'2", which is 74". His brother is 4'9", which is 57". Subtract 57 from 74 and you get 17".

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3 years ago

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WINSTONCH [101]

Answer:

The solution is (2, 1).

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Step-by-step explanation:

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3 years ago

Trucks in a delivery fleet travel a mean of 110 miles per day with a standard deviation of 38 miles per day. The mileage per day

Montano1993 [528]

Answer: 0.1824

Step-by-step explanation:

Given : The mileage per day is distributed normally with

Mean : $\mu=110\text{ miles per day}$

Standard deviation : $\sigma=38\text{ miles per day}$

Let X be the random variable that represents the distance traveled by truck in one day .

Now, calculate the z-score :-

$z=\dfrac{x-\mu}{\sigma}$

For x= 132 miles per day.

$z=\dfrac{132-110}{38}\approx0.58$

For x= 159 miles per day.

$z=\dfrac{159-110}{38}\approx1.29$

Now by using standard normal distribution table, the probability that a truck drives between 132 and 159 miles in a day will be :-

$P(132$

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3 years ago