Equations, 2x-4=-9

2x-4=-9

Bits and pieces, 8/10 3/8

8/10 3/8

Quadratic equations,

Help i need to solve for X, 3x+15=22

3x+15=22

Parallel and perpendicular lines, so I''m having trouble. I honestly don''t...

so I''m having trouble. I honestly don''t under stand this. Y=4x+5. y=-1/4x+4 they want me to tell whether the line is parallel, perpendicular or neither I don''t know how.

Lenare eqation, A police academy is training 14 new recruits. Some are work...

A police academy is training 14 new recruits. Some are working dogs and others are police officers. There are 38 legs in all. How many of each type of recruits are there?

Fucturing, 6x960=k

6x960=k

Reduce equaction to quadratic using substitution, Solve 2 x 10 - x 5 - 4 ...

Solve 2 x 10 - x 5 - 4 = 0 . Solution We can reduce this to quadratic in form using the substitution, u = x 5 u 2   = x 10 By using this substitution the equa

Set, {a|a=9 ,a=N,a

{a|a=9 ,a=N,a

I dont get it , where and how does the letter a and b where and how do u us...

where and how does the letter a and b where and how do u use them