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mariarad [96]
3 years ago
13

5. How many standard deviations from the mean is the weight of 190 people?

Mathematics
1 answer:
Gemiola [76]3 years ago
3 0

Answer:

i think that the correct C

Step-by-step explanation:

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The length of a picture is 15.75 inches shorter than twice the width. If the perimeter of the picture is 106.5 inches, find its
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Answer:

Length = 45.37 in

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Step-by-step explanation:

Let the width of the picture be 'w' inches.

Given:

Perimeter of the picture is, P=106.5\ in

Length is 15.75 inches shorter than twice the width. So, length is:

l=2w-15.75

Now, we know that the perimeter of a rectangular shape is given as the sum of all of its side. So, the picture is also of rectangular shape and hence the perimeter is given as:

P=2l+2w

Plug in the values of 'l' and 'P' and solve for 'w'. This gives,

106.5=2w-15.75+2w\\106.5=4w-15.75\\106.5+15.75=4w\\4w=122.25\\w=\frac{122.25}{4}=30.56\ in

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So, length of the picture is 45.37 inches and width is 30.56 inches.

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