{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

MA220lesson8notes

# MA220lesson8notes - Find the dimensions of the room Ex 3...

This preview shows pages 1–2. Sign up to view the full content.

MA 220, Lesson 8 notes Sections 5.6 and 8.5 (Applied Problems) To solve an application (applied) problem. 1. Let a variable represent an unknown. You may have to use that variable in expression(s) to represent other unknowns in the problem. 2. Think of a plan: How is(are) the variable(s) and other numbers in the problem related. The plan will be a ‘sentence’ or formula that will lead to an equation. 3. Write an equation from the plan and solve. 4. Answer the question in the problem (with labels as necessary). Check reasonableness of answer. Ex 1: The sum of a positive number and its square is 240. Find the number. Ex 2: A rectangular multi-purpose room in a building has a length 7 meters greater than its width. The area of the room is 540 square meters.

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Find the dimensions of the room. Ex 3: The outside dimensions of a picture frame or uniform width are 16 inches and 11 inches. If the area of the picture area that is exposed through the frame is 126 square inches, find the width of the frame. Ex 4: The height h in feet of a baseball hit 3 feet above the ground is given by ± ²³´µ ¶ · ¸¹µ · º where t is time in seconds. At what times will the baseball be 89 feet above the ground? When will the baseball hit the ground? Ex 5: The product of two positive and consecutive odd integers is 323. Find the two integers. Ex 6: The height of a triangle is 5 greater than its base. The area of the triangle is 25 square centimeters. Find the height of the triangle and the length of the base of the triangle....
View Full Document

{[ snackBarMessage ]}

### What students are saying

• As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

Kiran Temple University Fox School of Business ‘17, Course Hero Intern

• I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

Dana University of Pennsylvania ‘17, Course Hero Intern

• The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

Jill Tulane University ‘16, Course Hero Intern