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3 years ago

In one week, a mill worker worked 12,11,13,12,15,16, and 14 hours. Identify the median number of hours worked

Mathematics

1 answer:

velikii [3]3 years ago

8 0

Answer: 13

Step-by-step explanation:

First, we have to arrange the numbers in either ascending or descending order.

12,11,13,12,15,16, and 14 hours will then be: 11, 12, 12, 13, 14, 15 and 16.

The median will be gotten using the formula: = (n + 1) / 2

Since there are 7 numbers this will be:

= (n + 1) / 2

= (7 + 1) / 2

= 8/2

= 4th number

Since 13 is the 4th number, it's the median

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A helicopter is hovering 450 feet above the ground. The angle of elevation

SIZIF [17.4K]

Answer:

The distance of helicopter from the injured person is 542.82 feet

Step-by-step explanation:

Given as :

The height of the hovering helicopter above the ground = h = 450 feet

The angle of elevation from injured person to helicopter = Ф = 56°

Or, Let the distance of of helicopter from person = x feet

Now, From Triangle

∵ Sin Ф = $\dfrac{\textrm Perendicular}{\textrm Hypotenuse}$

∴ Sin 56° = $\dfrac{\textrm h}{\textrm x}$

Or, 0.8290 = $\dfrac{\textrm 450}{\textrm x}$

Or , x = $\dfrac{\textrm 450}{\textrm 0.8290}$

I.e x = 542.82 feet

So, The distance from injured person to helicopter = 542.82 feet

Hence The distance of helicopter from the injured person is 542.82 feet Answer

3 0

3 years ago

What are the coordinates of P?

Nadusha1986 [10]

Coordinates of P are (2,0)

5 0

3 years ago

How do I solve -25^-3/2?

lisabon 2012 [21]

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4 years ago

Alexis divided a 1 3/4 pound bag of apples among 3 friends how many pounds of apples did each friend receive (show ur work)

Nadusha1986 [10]

Answer:

1 3/4 /3 =

Step-by-step explanation:

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4 0

3 years ago

The factors of m^2 - 256 are (m+4)^2 (m-4}^2 (m+4) (m-4) none of these

REY [17]

${m}^{2} - 256 = ( x - 16)(x + 16)$

Therefore, none of these.

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3 years ago