Graph by hand or using a calculator to determine the solution to the given system. Put in slope-intercept form first if necessar
y.
1 answer:
The solution to the system of equations is (8, -4)
<h3>How to solve the system?</h3>The system of equations is given as;
y = -1/4x - 2
y = 3/8x - 7
See attachment for the graph of the equations
From the attached graph, we have the point of intersection to be
(x, y) = (8, -4)
Hence, the solution to the system of equations is (8, -4)
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Solution :
Given :
Span of the roof = 48 feet
Length of the rafter = 30 feet (including the 4 feet overhung)
So, for the 30 feet long rafter, 26 feet will be rafter length from the high point of the roof to the edge of the roof and 4 feet will be the roof overhung.
Therefore, the horizontal span per rafter is
= 24 feet
a). So the rise of the roof is
= 10 feet
b). Pinch of the roof is
c). The percent of the roof used as overhung is
= 13.33 %