Posted by **erik** on Monday, October 20, 2008 at 9:27pm.

solve each equation for y. do x and y vary directly? if so indentify the constant of variation.

1.4x=5y

2.2x+3y=6

- 10th grade math -
**chaey**, Monday, October 20, 2008 at 9:47pm
the area of a parallelogram is 85 square meters and its base is 17 meters long.

what is the height of the parallelogram?

- 10th grade math -
**Reiny**, Monday, October 20, 2008 at 10:11pm
4x - 5y = 0 (#1)

4x + 6y = 12 (#2 x 2)

-11y = -12 I subtracted them

y = 12/11

back in #1

4x = 5(12)/11

x = 15/11

- 10th grade math -
**kailyn**, Tuesday, January 20, 2009 at 8:23pm
it is about inequalities. i have to solve them graphically and shade the solution set.then i have to identify teo points within the solution set and two points not within the solution set. they are y is less than 2x-3

and y is greater than or equal to -3x. how do you solve for those equations ?

- 10th grade math -
**Anonymous**, Tuesday, March 10, 2009 at 12:30pm
express the following as positive exponets

- 10th grade math -
**Anonymous**, Tuesday, June 26, 2012 at 7:49am
what is the solution set for x^2-25 is less than or equal to 0

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