The waitress and the hostess at a restaurant share the tips at the end of the shift. The average amount earned in tips between t
1 answer:
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Equation of an ellipse
→having center (0,0) , vertex ( and covertex
and focus
is given by:
As definition of an ellipse is that locus of all the points in a plane such that it's distance from two fixed points called focii remains constant.
Consider two points (a,0) and (-a,0) on Horizontal axis of an ellipse:
Distance from (a,0) to (c,0) is = a-c =
Distance from (-a,0) to (c,0) is = a + c =
a -c + a +c
= a + a
= 2 a →(Option A )
Answer:
The measure of the side is 8.8.
Step-by-step explanation:
Since , then
,
,
and
. From figure we have the following relationship:
(1)
Where is the proportionality ratio.
If we know that , then the measure of side
is:
(1b)
(1c)
The measure of the side is 8.8.