"A reflecting telescope has a parabolic mirror, where the distance from the vertex to the focus is 10 meters. If the distance across the top of the mirror is 8 meters, how deep is the mirror...
"A reflecting telescope has a parabolic mirror, where the distance from the vertex to the focus is 10 meters. If the distance across the top of the mirror is 8 meters, how deep is the mirror...
i just have to find the equation not the answer . Please help me
What is the equation of a circle touching the lines 2x-y-11=0 and +2y+2=0 and having its center on the line 4x+y-27=0 Ans: Center (18, -45) and radius=14sqrt5 need a solution...
I am really having problems solving the following problems: If (x1,y1) and (x2,y2) are the coordinates of the two vertices on the hypotenuse of a right angled isosceles triangle then the...
Please help me!
answer: x-2y-1=0 2x-y+7=0 can you give me a solution for these ? thanks a lot
Find the equation of a circle passing through (-1,6) and tangent to a lines x-2y+8=0 and 2x+y+6=0 ? Ans: x^2 + y^2 - 2x - 34y + 165=0 and x^2 + y^2 + 6x - 10y...
Give the equation of a circle tangent to a line 3x+y-2=0 at (-1,5) and with radius equal to sqrt10. Ans: x^2 + y^2 + 8x - 8y + 22=0 and x^2 + y^2 - 4x - 12y + 30=0 need...
Find the equation of a circle touching the x-axis and passing through the points (7, -2) and (0, -9) Ans: x^2 + y^2 - 30x + 34y + 225=0 and x^2 + y^2 - 6x + 10y +...
Triangle ABC has vertices A(3,4), B(-5,2), and C(1,-4). Determine the equation of AE, the altitude from A to BC.
measure of angle A is 74 degrees measure of angle b is 34 degrees and measure of angle C is 83 + x please help me
Angle M is undetermined, angle J=45x, angle L is undetermined, angle K=15x
find the measure of angle F when angle E=118 degrees angle F= 11+8x angle D=63 degrees and angle G=16x.
Angle W is undetermined, angle Y is undetermined, angle X=7x+1, and angle Y=27x+9
the problem is 27x-5=-5+11
measure of angle A is 70 degrees measure of angle B is 75 degrees and the measure of angle C is x+44
find the measure of angle C. When angle E=85 degrees angle D=21x+6 angle B=21x+1 and angle C equals 25x
find the measure of angle G. Angle F=16x-1 angle E is a right angle angle D=105 degrees and angle G=12x-2
analytic geometry