The typical form of the slope intercept equation would be:
Y = mX + B
Where b is the y intercept, thus in thus case the y intercept would be 65 = (0,65).
The fabric cost $181.875
Step-by-step explanation:
Blue fabric bought = 3 3/4 yards , change to improper fraction (4*3)+3/4 = 15/4 yards
Red fabric= 12 5/6 yards = 77/6 yards
Purple fabric= 7 2/3 yards= 23/3 yards
Find total length of fabric bought, 15/4 +77/6 +23/3 =291/12 yards
Cost per yard= $7.50
Total cost will be, 291/12 * 7.50 =$ 181.875
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Its B
rise over run dictates that its 2/8 which simplifies to 1/4
and its at an upward angle from left to right therefore its positive.
The law of cosines is
c= square root of a^2 + b^2 - 2ab cos c
the law of sines is
a = b(sin a /sin b)
