A circle of radius r centered at the point (0,r) in the plane will intersect the y-axis at the origin and the point A=(0,2r), as pictured below. A line passes through the point A and the point C=(9r2,0) on the x-axis.

(a) The line through A and C has equation: y= ? x + ?(b) The x-coordinate of the point B is ? .(c) The y-coordinate of the point B is ? .(d) The limit as r->infty of the x-coordinate of B is (if your answer is infty , write infinity) ?(e) The limit as r->infty of the y-coordinate of B is (if your answer is infty , write infinity) ?

20335+282=20617

step-by-step explanation:

first, we define the variables:

x: number of years after 1950

f (x): amount of vinyl sold.

then, with the variables defined, we have:

68594 vinyl records were sold in 1958 > f (8) = 68594

91299 vinyl records were sold in 1961 > f (11) = 91299

38720 vinyl records were sold in 1952 > f (2) = 38720

161743 vinyl records were sold in 1967 > f (17) = 161743

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step-by-step explanation:

according to the triangle sum theorem, all the angles in a triangle must add up to 180 degrees. if we know one angle is already 90, we do 180-90=90. the other 2 angles must add up to 90, exactly.

step-by-step explanation: