Answer:
Step-by-step explanation:
Divide both sides by 9 to isolate x:
Hope this helps!
<span>• 5 units</span>
parabolas are geometrically defined as a set of points that're equidistant from a focus point and a directrix line.
equidistant means equally distant.
distance between the given point on parabola and the directrix is 5 units.
therefore, by definition, dist. between given point and the focus is also 5 units.
Answer:
$420
Step-by-step explanation:
(100 - 40)x = 60x
60x - 20 = 40x
0.4x = $168
x = $168/0.4 = $420