The area A of a trapezoid varies jointly with its height and the sum of the lengths of the parallel sides. a=5 b=9 h=7 c=c d=d a)Express the statement above as a formula, using the variables given in trapezoid that is given above on the left, along with a constant of variation k. b) find the constant of variation k, if the area of the trapezoid given above on the right is 49in^2.
The area A of a trapezoid varies jointly with its height and the sum of the lengths of the parallel sides. a=5 b=9 h=7 c=c d=d a)Express the statement above as a formula, using the variables given in trapezoid that is given above on the left, along with a constant of variation k. b) find the constant of variation k, if the area of the trapezoid given above on the right is 49in^2.
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter12: Quadratic Functions
Section12.8: Joint And Combined Variation
Problem 11P
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The area A of a trapezoid varies jointly with its height and the sum of the lengths of the parallel sides.
a=5 b=9 h=7 c=c d=d
a)Express the statement above as a formula, using the variables given in trapezoid that is given above on the left, along with a constant of variation k.
b) find the constant of variation k, if the area of the trapezoid given above on the right is 49in^2.
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