What is the constant of proportionality in the equation y=\dfrac{5}{9}xy= 9
5

xy, equals, start fraction, 5, divided by, 9, end fraction, x?

The figure below shows rectangle abcd and the triangle eca on a coordinate plane.which of the following expressions represents the perimeter of triangle of triangle eca in units

He ! a group of farmers planned to clean 80 acres of wheat per day to finish the work on schedule. right before the work started, they received a new piece of machinery that them clean 10 more acres per day than originally planned. as a result of increased productivity in the last day before the deadline they only had to clean 30 acres. how many acres of wheat did the group of farmers have to clean?

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2