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CONCEPTS
To add polynomials, we add
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ALGEBRA AND TRIGONOMETRY-WEBASSIGN
- Building Envelope The building code in a certain town requires that a house be at least 10 ft from the boundaries of the lot. The buildable area or building envelope for the rectangular lot shown in the following figure is given by A=(x20)(y20) a Explain how the expression for A is obtained. b Expand to express A as a polynomial in x and y. c A contractor has a choice of purchasing one of two rectangular lots, each having the same area. One lot measures 100 ft by 400 ft; the other measures 200 ft by 200 ft. Which lot has the larger building envelope?arrow_forwardFill in the blanks. A monomial is a polynomial with _______ term.arrow_forwardGift boxes The corners of a 12 in.-by-12 in. piece of cardboard are folded inward and glued to make a box. Write a polynomial that represents the volume of the resulting box.arrow_forward
- What is an algebra model for a real world situation? If Shellie’s wages are $12 an hour, find a model for the amount W that Shellie earns after working x Hours.arrow_forwardFabricating sheet metal The open tray shown in the illustration is to be manufactured from a 12-by-14-inch rectangular sheet of metal by cutting squares from each corner and folding up the sides. If the volume of the tray is to be 160 cubic inches and x is to be an integer, what size squares should be cut from each corner?arrow_forwardFind the product. (3x+2)(x34x2+7)arrow_forward
- Geometry Find a polynomial that represents the total number of square feet for the floor plan shown in the figure.arrow_forwardPractice: Determine how many zeros each polynomial function has. Two zeros of P(x)=3x2(x714x+3) are 0 How many other zeros are there?arrow_forwardPractice: Determine how many zeros each polynomial function has. One zero of P(x)=x(3x42)12x is 0. How many other zeros are there?arrow_forward
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