There are 100 books in the library. There are non-fiction and fiction books. Write the fraction of the books that are fiction.
1 answer:
The complete question in the attached figure
Let
x--------------------- > <span>non-fiction books.------------------ > x=60
y--------------------- > f</span><span>iction books.
we know that
x+y=100
y=100-x=100-60=40
the </span>fiction books. are y=40
if 100%----------------------- > 100 books
X---------------------------- > 40
X=40*100/100=40%
40%-------------- > 40/100=20/50=2/5
the answer is
<span>the fraction of the books that are fiction is (2/5)</span>
Let
x--------------------- > <span>non-fiction books.------------------ > x=60
y--------------------- > f</span><span>iction books.
we know that
x+y=100
y=100-x=100-60=40
the </span>fiction books. are y=40
if 100%----------------------- > 100 books
X---------------------------- > 40
X=40*100/100=40%
40%-------------- > 40/100=20/50=2/5
the answer is
<span>the fraction of the books that are fiction is (2/5)</span>
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The horizontal distance between light house and boat is 1588.78 feet approximately.
The figure is given by,
Here, AB = height of the lighthouse bacon light above the water = 139 feet
Now angle ACB = 5 degree
Let the horizontal distance of light house from the boat = BC = x feet
So by trigonometric function we get,
tan 5 = AB/BC
tan 5 = 139/x
x = 139/tan 5 = 1588.78 (approximately)
Hence the horizontal distance between light house and boat is 1588.78 feet approximately.
To know more about Trigonometric Function refer to:
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