Surface Area A satellite signal receiving dish is formed by revolving the parabola given by x 2 = 20 y about the y-axis. The radius of the dish is r feet. Verify that the surface area of the dish is given by 2 π ∫ 0 t x 1 + ( x 10 ) 2 d x = π 15 [ ( 100 + r 2 ) 3 / 2 − 1000 ]
Surface Area A satellite signal receiving dish is formed by revolving the parabola given by x 2 = 20 y about the y-axis. The radius of the dish is r feet. Verify that the surface area of the dish is given by 2 π ∫ 0 t x 1 + ( x 10 ) 2 d x = π 15 [ ( 100 + r 2 ) 3 / 2 − 1000 ]
Solution Summary: The author explains how a spherical dish of radius r is formed by revolving the parabola around y axis.
Robbie
Bearing Word Problems
Angles
name:
Jocelyn
date: 1/18
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2. A Delta airplane and an SouthWest airplane take off from an airport
at the same time. The bearing from the airport to the Delta plane is
23° and the bearing to the SouthWest plane is 152°. Two hours later
the Delta plane is 1,103 miles from the airport and the SouthWest
plane is 1,156 miles from the airport. What is the distance between the
two planes? What is the bearing from the Delta plane to the SouthWest
plane? What is the bearing to the Delta plane from the SouthWest
plane?
Delta
y
SW
Angles
ThreeFourthsMe MATH
2
Find the derivative of the function.
m(t) = -4t (6t7 - 1)6
Find the derivative of the function.
y= (8x²-6x²+3)4
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