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find the equation that meets

find the equation that meets the given conditions: a varies directly as the square of r and a=9 pie when r=3
1. 2 answers
2. asked by mathstuck
3. 2,881 views
Find the equation of a circle passing through the origin and the points where the line 3x + 4y=12 meets the axes of the
1. 2 answers
2. asked by Lleyton
3. 512 views
(a) A straight line L whose equation is 3y – 2x = -2 meets the x-axis at R. Determine the coordinates ofR. b). A second line
1. 1 answer
2. asked by Bakari Sarai
3. 128 views
Given the curve of C defined by the equation x^2 - 2xy +y^4 =4.1) Find the derivative dy/dx of the curve C by implicit
1. 1 answer
2. asked by x
3. 787 views
The Mathletes won 2 of their first 10 meets. They went on to win all their remaining meets and finished the year with an equal
1. 2 answers
2. asked by XXX
3. 1,196 views
the normal to a parabola y^2=4ax at the point t,where t is not 0 meets the curve again at the point t'.find t' in terms of
1. 0 answers
2. asked by Shanu
3. 475 views
A line L1 passes through point (1,2) and has a gradient of 5.Another line L2 is perpendicular to L1 and meets it at a point
1. 2 answers
2. asked by lucy
3. 467 views
A line L1 passes through point (1, 2) and has gradient of 5. Another line L2, is perpendicular to L2 and meets it at a point
1. 5 answers
2. asked by kudu
3. 3,203 views
A line L1 passes through point (1,2) and has a gradient of 5.Another line L2,is perpendicular to L1 and meets it at a point
1. 1 answer
2. asked by chelangat
3. 1,428 views
The point P = (4, 3) lies on the circle x2 + y2 = 25. Find an equation for the line that is tangent to the circle at P. This
1. 1 answer
2. asked by Matilda
3. 688 views