The power (P) in watts generated by a windmill varies jointly with its efficiency (E), the square of the diameter (D) of its blades in feet and the cube of the wind velocity (V) in feet per second. At wind velocity of 9.3 ft/sec, a windmill whose blades have a diameter of 10 feet and whose efficiency is 0.4 generates a power of 10 000 watts. Suppose the diameter of the blades is increased to 12 feet, and the other quantities remain constant, how much power would the windmill generate?

the answer is 13 cm

the answer would be d.

step-by-step explanation:

move all variables to the left side and all constants to the right side

(x−3)^2+(y−1)^2=16

this is the form of a circle. use this form to determine the center and radius of the circle.

( x − h ) 2 + ( y − k ) 2 = r 2

match the values in this circle to those of the standard form. the variable   r   represents the radius of the circle,   h   represents the x-offset from the origin, and   k   represents the y-offset from origin.

r = 4

h = 3

k = 1

the center of the circle is found at   ( h , k ) .

center:   ( 3 , 1 )

these values represent the important values for graphing and analyzing a circle.

center:   ( 3 , 1 ).

radius:   4

3 3 6, because in every triangle the longer side is always shorter than the sum of the other two