lesson13outline

# lesson13outline - MA 153 Lesson 13 Outline Practice Quiz...

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MA 153 Lesson 13 Outline Practice Quiz Solution (Practice problems for distance learning students) 1. A ball is thrown upward with an initial velocity of 48 ft./sec. The number of feet, s , above the ground after t seconds is given by ( ) 2 16 48 st t t =− + . When will the ball hit the ground? () 2 16 48 0 16 3 0 0, 3 tt −+= −− = == 2. Set up the equation only—Do not solve or simplify: A rectangular plot of ground having dimensions 26 feet by 30 feet is surrounded by a walk of uniform width. If the area of the walk is 240 sq. feet, what is the width of the walk? A (walk) = 240 A(plot) + A(walk) = A (total) ( )( ) 30 26 240 30 2 26 2 x x +=+ + Answering of homework questions over lesson 12.

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lesson13outline - MA 153 Lesson 13 Outline Practice Quiz...

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