Want to solve the equation Δu = 0 in the annulus 1 < r < 4, with the boundary conditions u(cosθ, sinθ) = cos2θ and u = 0 on the circle where r = 4 Thank you to who can help...
Want to solve the equation Δu = 0 in the annulus 1 < r < 4, with the boundary conditions u(cosθ, sinθ) = cos2θ and u = 0 on the circle where r = 4 Thank you to who can help...
A circular hole with diameter 6 cm is cut out of a circular piece of card with a diameter of 12 cm. The area of the remaining card, in cm2 , is (A) 6π (B) 27π (C) 36π (D)...
If Dave is standing at (12,0) next to a silo of cross-sectional radius r = 7 feet at the indicated position, his vision will be partially obstructed. Find the portion of the y-axis that...
2 x^2+4 x+2 y^2+12 y = 20 is the equation of a circle with and can be written in the general form (x-h)^2 + (y-k)^2 = r^2. Find h, k, and r.
Recall the equation for a circle with center (h,k) and radius r. At what point in the first quadrant does the line with equation y = 1 x + 4 intersect the circle with radius 4 and center (0, 4)...
Find an equation of the circle with center at (4,-6) that is tangent to the y-axis in the form of (x-A)^2+(y-B)^2=C where A, B, C are constant. What is A, B & C?
3 x^2+3 y^2-30 x-18 y +27=0 is the equation of a circle with center (h,k) and radius r for: h = ? k = ? r = ?
x^2-4 x+ y^2-14 y = 7 is the equation of a circle with and can be written in the general form (x-h)^2 + (y-k)^2 = r^2. Find h, k, and r. How do i rewrite it and find those variables...
Find the center and radius of the circle with a diameter that has endpoints (-9, 6) and (6, -9).
Find an equation of the circle with center at (4,-6) that is tangent to the y-axis in the form of (x-A)^2+(y-B)^2=C where A, B, C are constant.
The radius of the circle shown below is 7 inches. What is the approximate length of ? A. 57.7 in ...
``The distance around a circular park is 2.8 mi. How many acres does it contain? One square mile contains 640 acres. Round the answer to the nearest integer.''.
How much larger is the side of a square circumscribing a circle 173 cm in diameter than a square inscribed in the same circle? Round the answer to one decimal place
(i) Given that the line y=mx, where m is a positive integer, does not intersect the circle x2+ y2 -4mx +3=0, find the value of m. (ii) A line parallel to y=mx is a tangent parallel...
This question is asking about a circle and it is hard i need some help now
1) point (7,-6) and (9,4) are end points of the diameter of a circle. a) What is the length of the diameter? give the exact answer simplify as much as possible show work. b) What is the center...
Choices are: a. 9 b. 7 c. 4.5 d. 14 I already tried x2 =(12)(6) and I got 6 square root 2 and also attempted 4x=(12)(6), which=18.
the diameter of a circle given the points: (0,11)(-4,7/2) and the radius
Consider the points (4,-7) and (-6, 13). (a) Find the midpoint. Show work. (b) If the point you found in (a) is the center of a circle, and the other two points are points on the circle, find...
The circle is not in the formula already. The equation is x^2+y^2+4x-6y+4=0 Also I am not sure whether I should complete the square or not.