Answer:
7
Step-by-step explanation:
formula for circumference of a circle is d
7 =
d
d = 7
Determine the growth defined by the equation y = 6(.79)^x. Is this exponential growth or exponential decay?
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 )
