Double inequality, The following is a double inequality.                ...

The following is a double inequality.                                                                   -9 In a double inequality we are saying that both of the inequalities

Constant function, It is probably the easiest function which we'll ever gra...

It is probably the easiest function which we'll ever graph and still it is one of the functions which tend to cause problems for students. The most general form for the constant

Math, 1% of what number is 11

1% of what number is 11

Making y a function of x.., whats the answer to y=4-9x

whats the answer to y=4-9x

Example of mixing problems, How much of a 50% alcohol solution should we mi...

How much of a 50% alcohol solution should we mix with 10 gallons of a 35% solution to get a 40% solution? Solution Let x is the amount of 50% solution which we need.  It me

Find the inverse of a given function, Given f ( x ) = 3x - 2 find f -1 ( ...

Given f ( x ) = 3x - 2 find f -1 ( x ). Solution Now, already we know what the inverse to this function is as already we've done some work with it.  Though, it would be n

Vertical angles,

Add, add - 3a + b - 10 -6c, c -d- a + 9 and - 4c +2a - 3b - 7

add - 3a + b - 10 -6c, c -d- a + 9 and - 4c +2a - 3b - 7

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?

Angles and sides, what is the missing angle of 37 degree and 92 drgees

what is the missing angle of 37 degree and 92 drgees