Chapter2: Equations And Inequalities
Section: Chapter Questions
Problem 10PT: The perimeter of a triangle is 30 in. The longest side is 2 less than 3 times the shortest side and...
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Equations and Inequations
Equations and inequalities describe the relationship between two mathematical expressions.
Linear Functions
A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.
Question
1) The Perimeter of a rectangle is 68m. The length is 2m less than 2 times the width. What is the length of the rectangle?
2)The perimeter of a rectangle is 178cm. Twice the width is 14 less than the length. Which pair of equations will determine the length and width?
How do I solve these and make an equation for 2.
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