Questions 21-23. The cost of a LCD TV dropped from $265 in 2012 to $199 in 2014. 21. Find the average rate at which the cost has been decreasing. 22. Set-up a linear model to estimate future costs of TV's. 23. Use your model to estimate what the cost will be in 2016.
Percentage
A percentage is a number indicated as a fraction of 100. It is a dimensionless number often expressed using the symbol %.
Algebraic Expressions
In mathematics, an algebraic expression consists of constant(s), variable(s), and mathematical operators. It is made up of terms.
Numbers
Numbers are some measures used for counting. They can be compared one with another to know its position in the number line and determine which one is greater or lesser than the other.
Subtraction
Before we begin to understand the subtraction of algebraic expressions, we need to list out a few things that form the basis of algebra.
Addition
Before we begin to understand the addition of algebraic expressions, we need to list out a few things that form the basis of algebra.
Need help step by step explanation for questions 21-23 & 24-25
Trending now
This is a popular solution!
Step by step
Solved in 3 steps
