Determine the value of the constant real number k so that the tangent lines to the curves 16x - 5y = 0 and 15x + ky = 16k + 375 at the point (5,4) (on both curves) are perpendicular. ..... k= (Simplify your answer.)

Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter6: Topics In Analytic Geometry
Section6.2: Introduction To Conics: parabolas
Problem 4ECP: Find an equation of the tangent line to the parabola y=3x2 at the point 1,3.
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Determine the value of the constant real number k so that the tangent lines to the curves 16x - 5y = 0 and 15x + ky = 16k + 375 at the point (5,4) (on both curves) are perpendicular.
.....
k =
(Simplify your answer.)
Transcribed Image Text:Determine the value of the constant real number k so that the tangent lines to the curves 16x - 5y = 0 and 15x + ky = 16k + 375 at the point (5,4) (on both curves) are perpendicular. ..... k = (Simplify your answer.)
The surface area of a cube is increased from 216 square centimetres to 227.664 square
centimeters. Use differentials to determine :
(a) By approximately how many centimetres does the side length of the cube increase?
(b) By approximately how many cubic centimetres does the volume of the cube increase?
(a) By approximately what percentage does the volume of the cube increase?
(a) The side length of the cube increaes by approximately
centimetres.
(b) The volume of the cube increaes by approximately
cubic centimetres.
(c) The volume of the cube increaes by approximately
%
Type EXACT answers using three decimal places as needed.
Transcribed Image Text:The surface area of a cube is increased from 216 square centimetres to 227.664 square centimeters. Use differentials to determine : (a) By approximately how many centimetres does the side length of the cube increase? (b) By approximately how many cubic centimetres does the volume of the cube increase? (a) By approximately what percentage does the volume of the cube increase? (a) The side length of the cube increaes by approximately centimetres. (b) The volume of the cube increaes by approximately cubic centimetres. (c) The volume of the cube increaes by approximately % Type EXACT answers using three decimal places as needed.
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