## percentage, Algebra

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Two sessions of swimming lessons were held at a pool. In the first session 40 students attended. Of these 40 students 60% were girls. How many girls attended the first session of swimming

#### Relationship between the graph of a function and its inverse, There is inte...

There is interesting relationship among the graph of function and its inverse. Here is the graph of the function & inverse from the first examples. We'll not deal along with the

#### Logarithm form, Logarithm form In this definition y = log b  x is call...

Logarithm form In this definition y = log b  x is called the logarithm form Exponential form In this definition b y = x is called the exponential form.

#### Quadratic, how to get the perfect square

how to get the perfect square

#### Financial Polynomial., Compounded semiannually P dollars is invested at ann...

Compounded semiannually P dollars is invested at annual interest rate r for 1 year. If the interest is compounded semiannually, then the polynomial P(1 + r/2)^2 represents the valu

#### Remainder and Factor Theorems, I have a homework question to use the factor...

I have a homework question to use the factor theorem that I need to use Synthetic Substitution with. I did all the work and the divisor is a factor but the equation I have to use t

#### #title., if x=7 an y=9 and the answer is 98 what is the expresson?

if x=7 an y=9 and the answer is 98 what is the expresson?

#### Inequality and interval notation, Solving the following inequalities.  Give...

Solving the following inequalities.  Give both inequality and interval notation forms of the solution. -2 ( m - 3) Solution Solving out single linear inequalities follo

#### Cube of a binomial, how can we solve if the given is negative?

how can we solve if the given is negative?

#### Simpler method to solve exponential equations, Simpler method Let's beg...

Simpler method Let's begin by looking at the simpler method. This method will employ the following fact about exponential functions. If   b x   = b y      then          x

#### Linear equation and application, Aubrey is 5 years younger than her brother...

Aubrey is 5 years younger than her brother is and three years ago the sum of their ages was 23 years. How old is each now?  