Answer:
E' = (-4, 3) Answer C in your list of options
See attached image for the plot.
Step-by-step explanation:
Recall that a rotation in 180 degrees around the origin produces the following change in coordinates: (x, y) --> (-x, -y)
Therefore, since we read the coordinates of point E as: (-4, 3),
the new coordinates after the rotation will be: (4, -3) and the point will look like the red point in the attached image.
Hello,
tan 60°=√3
d/39=tan 60°==>d=39/√3=39√3/3=13√3=22,516660498... (m)
I’m pretty sure it would be B.
Marry rate of investment is 4%.
Lets solve it through simple steps,
30% 0f $200,000 = $60,000
$200,000-$60,000 = $140,000
Rate 1.5%
Rate 4% = (140,000-x)
Interest earned = $4,350
1.5x+4(150,000-x)=4350*100
1.5x+600,000-4x=435,000
1.5x-4x=435,000-600,000
-2.5x=-165,000 /-2.5
x=66000
$ 66,000 1.5%
Balance = $74,000 at 4%
Hence the rate is 4%
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