Find the equation of a line that intersects with y=2x-1 on the y-axis and is parallel to y=-x.
1 answer:
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Answer:
Option B.
Step-by-step explanation:
step 1
Find the central angle of the shaded sector
Remember that the diameter divide the circle into two equal parts ( 180 degrees each part)
so
Let
x -----> the measure of the central angle of the shaded sector
∠x+72°=180°
∠x=180°-72°=108°
step 2
Find the area of the circle
The area of the circle is
we have
assume
substitute
step 3
Find the area of the shaded sector
Remember that the area of the complete circle subtends a central angle of 360 degrees
so
by proportion find the area of a sector by a central angle of 108 degrees
Answer:
The company should sell at least 2,250 units to break even
Step-by-step explanation:
We need to calculate what is know as break-even point (BEP).
It can be calculated as
FC: fixed cost
p: price
vc: variable cost
The variable cost are expressed as 20% of the revenue, so it can be calculated that vc=0.2*p=0.2*4=0.8
Now we can calculate the BEP