Yes that is what I was trying to type. Thanks, I thought I was right but a classmate said it was wrong so I wanted clarification. Thank you. I don't know why it showed up like that, I wrote it in a word document with the square root signs and copied and pasted it. It lost ...
July 13, 2010
soybean meal is 18% protein; cornmeal is 9% protein. How many pounds of each should be mixed together in order to get 360-lb mixture the is 15% protein. .18s+.09c --------- 360 =.15 18s+9c=5400 s+c=360 now I am lost. appreciate any help
January 21, 2010
the perimeter of a rectangle is 78m the length is 6m more than twice the width I have the width at 18m and the length at 42m because 18*2=36+6=42 42+36=78 Am I correct? Thanks for any help
January 16, 2010
write an equation of the line containing the given point and parallel to the given line (3,-3) 7x-2y=5 need help please 7(3)-2(-3)= 5 ? 21- 6= 5? this does not look right, please show me where I am supposed to place the (3,-3)to solve the equation thanks
December 20, 2009
The following information shows a relationship between the amount spent perweek on advertising by a small fast-food shop and the total sales per week: Use this information to make a line graph and then predict the weekly sales associated with the expenditure of $50 (per week) ...
October 22, 2009