Math
posted by Algebra HELP!!! .
1) Solve: 8x ¨C (6x + 4) = 8
x = 2
2) 7x > 1/15
the solution set is: {x  x > 105}
3) Solve 5> 4x + 4 or 10 ¡Ü 4x +3
the solution to the inequality is:
[¡Þ, 7/4] U [1/4,¡Þ]
4) Use < or > to make the statement true: 9 < 3
5) Graph the inequality on a plane: 5x + 6y ¡Ü 30 not even sure where to start with this one
6)Solve using the multiplication principle.
5/6x = 7/8
The solution is? 21/20
7) Soybean meal is 14% protein; cornmeal is 7% protein. How many pounds of each should be mixed together in order to get 280lb mixture that is 11% protein?
How many pounds of the cornmeal should be in the mixture?
How many pounds of the soybean meal should be in the mixture?
how do i solve this?
8) Solve the following system of equations.
X + 9y = 2 (1)
X = 6 ¨C 9y (2)
What is the solution of the system?
9) Solve: 5/2x + 1/4x = 7/4 + x
The solution is x = ?
10) Find the slope, if it exists, of the line containing the pair of points
(8,1) and (10,6)
The slope m = ?
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