Answer:
D. 118°
Step-by-step explanation:
x = 118° { being corresponding angles }
Answer:
the base of the window is 5.5 or 5 1/2 ft
Step-by-step explanation:
a = bh
h = b/a
25 2/3 divided by 4 2/3 is 5.5
or
5 1/2
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Answer:
6 pounds of peanuts 1 pound of almonds
Step-by-step explanation:
6 pounds of peanuts at $2 a pound is $12 and that leaves $6 for a pound of almonds totaling out to $18
Answer:
Step-by-step explanation:
The directrix is a vertical line, so the parabola is horizontal. The focus lies to the left of the directrix, so the parabola opens to the left.
For a left-opening parabola:
x = a(y-k)²+h,
a < 0,
vertex (h,k)
focal length p = 1/|4a|
focus (h-p, k)
directrix: x=h+p
Apply your data
focus (1,-4)
directrix x=2
vertex (1.5,-4).
focal length p = 0.5
a = -1/|4p| = -½
x = -½(y-2)²+ ½