What is the height of a wall 28 ft long that requires 1568 feet long
2 answers:
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Answer:
see explanation
Step-by-step explanation:
A
given
=
( cross- multiply )
5.7f = 34.2 ( divide both sides by 5.7 )
f = 6
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B
given
=
( cross- multiply )
3.6g = 92.34 ( divide both sides by 3.6 )
g = 25.65
The line through that point and the origin has a slope of -1. It is perpendicular to the line you want, so the line you want has slope +1. Its equation can be written as
.. y = (x -4) -4
or, in standard form
.. x - y = 8
.. y = (x -4) -4
or, in standard form
.. x - y = 8