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For the ellipse with equation

The area of an ellipse in the form (x*x/a*a)+(y*y)/(b*b)=1 is A=3.14*ab. For this ellipse, a+b=20.a. write the area of the
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2. asked by Priscilla
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I seriously do not understand anything about this problem Please help.The equation of an ellipse centered at the origin is
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2. asked by Angel
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What is the standard-form equation of the ellipse shown?A graph of an ellipse is shown.A graph of an ellipse is shown.
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find the equation for an ellipse that satisfies the following conditionVertices at (-3,1) and (9,1) one focus at (7,1) I will
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2. asked by Kelly
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The angular momentum of a planet is conserved if taken with respect to:a)The center of the ellipse b) The focus of the ellipse
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2. asked by Ramana
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a. An ellipse is formed by stretching the graph of x^2+ y^2=1 horizontally by a factor of 3 and vertically by a factor of 4.
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2. asked by sam!
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a. An ellipse is formed by stretching the graph of x^2+ y^2=1 horizontally by a factor of 3 and vertically by a factor of 4.
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2. asked by sam!
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For an ellipse, one focus is (0,0), one vertex is (2,0), and the eccentricity is 0.4. How do I find the equation for the
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2. asked by Confused
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the foci of an ellipse are (0,2) (0,-2) and the eccentricity is 1/2. determine the equation of the ellipse. write your answer in
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2. asked by yumi
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Write an equation in standard form of the ellipse described. The center of the ellipse is the origin.Focus at (0, 6); vertex at
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2. asked by Anonymous
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