Answer:
Circumference of the circle = 100.53 in.
Step-by-step explanation:
Circumference of a circle is given by the formula,
Circumference = 2πr
Radius of the circle 'r' = 16 in.
Therefore, circumference of the circle with radius 16 in will be,
C = 2π(16)
C = 32π
C = 100.53 in.
Answer:
Option D (7).
Step-by-step explanation:
The formula for gradient of the straight line is given by:
m = (y2 - y1)/(x2 - x1); where (x1, y1) and (x2, y2) are two fixed points on the straight line. It is given that (x1, y1) = (4, r) and (x2, y2) = (r, 2). The gradient of the straight line is given by -5/3. To find the value of r, simply substitute all the values in the gradient equation. Therefore:
-5/3 = (2 - r)/(r - 4).
Cross Multiplying:
-5*(r - 4) = 3*(2 - r).
-5r + 20 = 6 - 3r.
-2r = -14.
r = 7.
Therefore, Option D is the correct answer!!!
I believe the radius would be 3.39
Hope this helps! Good luck! :)
Combine like terms
-6x^2+2y + -1 +2x^2 + -5y +3
( -6x^2+2x^2)+(2y-5y)+(-1+3)
= -4x^2+3y+2
Answer : C
I hope that's help !