Answer:
418.6
Step-by-step explanation:
you set the price to equal 300 dollars, so marking up 40% would equal taking 300 x 1.4
this equals 420, however you need to substract 1.4 because you rounded 299 to 300 giving 418.6
Answer:
Step-by-step explanation:
Given



therefore it is a vertical ellipse
thus a=1

eccentricity of Ellipse





Focii are
and 

thus focii are
& 
(b) Length of major axis 
length of minor axis
Answer:
10
Step-by-step explanation:
Answer:
41 big boy thats ur answer
Step-by-step explanation:
Answer:
(21, 80)
Step-by-step explanation:
We have the two lines y = 4x -4 and y = 3x + 17. The point 'C' will be given by the interception of them, as follows:
4x -4 = 3x + 17
Solving for 'x':
x = 21
Now, to find 'y' we have:
y = 4(21) -4 = 80
Therefore, they intercept at: (21, 80)