EBK PRECALCULUS:GRAPHICAL,...-NASTA ED.
EBK PRECALCULUS:GRAPHICAL,...-NASTA ED.
10th Edition
ISBN: 9780135795910
Author: Demana
Publisher: PEARSON CO
Expert Solution & Answer
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Chapter P.5, Problem 59E
Solution

What are the dimensions of the soccer field?

The dimensions of the soccer field are-

L=110 yd

B=80 yd

Given:

Several world cup ‘94 soccer matches were played in Stanford University stadium in Menlo Park, California. The field is 30yd longer than it is wide, and the area of the field is 8800yd2.

Concept Used:

  • Use factorization method to solve.
  • To reduce the algebraic or quadratic equation into its simpler form.
  • The equations are represented as the product of factors instead of expanding the brackets.

Calculation:

According to question-

The length of the soccer field is = L

The width of the soccer field is = B

The field is 30yd longer than it is wide

  SoL=30+B

The area of the field is 8800yd2.

Area of the field is = LB = 8800yd2.

  (30+B)B=880030B+B2=8800B2+30B8800=0B2+(11080)B8800=0B2+110B80B8800=0B(B+110)80(B+110)=0(B80)(B+110)=0(B+110)=0B=110notpossiblewidthwouldnotbeinnegative(B80)=0B=80SoL=30+BSoL=30+80L=110

So the length of the soccer field is = L=110 yd

So the width of the soccer field is = B=80 yd

Chapter P Solutions

EBK PRECALCULUS:GRAPHICAL,...-NASTA ED.

Ch. P.1 - Prob. 1ECh. P.1 - Prob. 2ECh. P.1 - Prob. 3ECh. P.1 - Prob. 4ECh. P.1 - Prob. 5ECh. P.1 - Prob. 6ECh. P.1 - Prob. 7ECh. P.1 - Prob. 8ECh. P.1 - Prob. 9ECh. P.1 - Prob. 10ECh. P.1 - Prob. 11ECh. P.1 - Prob. 12ECh. P.1 - Prob. 13ECh. P.1 - Prob. 14ECh. P.1 - Prob. 15ECh. P.1 - Prob. 16ECh. P.1 - Prob. 17ECh. P.1 - Prob. 18ECh. P.1 - Prob. 19ECh. P.1 - Prob. 20ECh. P.1 - Prob. 21ECh. P.1 - Prob. 22ECh. P.1 - Prob. 23ECh. P.1 - Prob. 24ECh. P.1 - Prob. 25ECh. P.1 - Prob. 26ECh. P.1 - Prob. 27ECh. P.1 - Prob. 28ECh. P.1 - Prob. 29ECh. P.1 - Prob. 30ECh. P.1 - Prob. 31ECh. P.1 - Prob. 32ECh. P.1 - Prob. 33ECh. P.1 - Prob. 34ECh. P.1 - Prob. 35ECh. P.1 - Prob. 36ECh. P.1 - Prob. 37ECh. P.1 - Prob. 38ECh. P.1 - Prob. 39ECh. P.1 - Prob. 40ECh. P.1 - Prob. 41ECh. P.1 - Prob. 42ECh. P.1 - Prob. 43ECh. P.1 - Prob. 44ECh. P.1 - Prob. 45ECh. P.1 - Prob. 46ECh. P.1 - Prob. 47ECh. P.1 - In Exercises 4752, simplify the expression. Assume...Ch. 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