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kylie252
15.07.2019 •
Mathematics
Find the percent increase for 13 friends to 14 friends round to nearest percent if you can
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Ответ:
14-14 = 1/13 *100% That equals 7.69%
Your answer is 7.69%
Ответ:
Step-by-step explanation:
It was given that, the ellipse has directrices at
The directrices has equation: , where is the eccentricity of the ellipse.
eqn(1)
The foci are at: (0,1) qnd (0,-1)
Also, the foci are given by:
eqn(2)
Solving equation (1) and (2) simultaneously we get;
and
We use the relation, to get:
.
The equation of the ellipse is given by:
We substitute the values to get:
Or