EBK ALGEBRA AND TRIGONOMETRY
4th Edition
ISBN: 8220100548512
Author: Watson
Publisher: CENGAGE L
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Textbook Question
Chapter P.9, Problem 46E
APPLICATIONS
Height of Tree A woodcutter determines the height of a tall tree by first measuring a smaller one 125 ft away, then moving so that his eyes are in a line of sight along the tops of the trees and measuring how far he is standing from the small tree(see the figure). Suppose the small tree is 20 ft. tall, the man is 25 ft. from the small tree, and his eye level is 5 ft. above the ground. How tall the taller tree?
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The original idea for creating this applet comes from Steve Phelps' Graph the Line applet.
Directions:
1) Examine the equation shown on the right side of the screen.
2) Reposition the 2 big points so that the line is the graph of the displayed equation.
3) Click the "Check Answer" checkbox to check.
If you're correct, the app will inform you.
If you're not, you'll know this as well.
If you're not correct, keep trying until you position the gray line correctly.
4) After correctly graphing the line, click the "Generate New Line" button.
Problem 1 & 2 answers
1. One diagonal has 11 squares, then total square in total for two diagonal line is 11 + 11 - 1 = 21 .
2. Each part has 5 squares.(except middle)Multiply by 4: 5 × 4 = 20.Add the middle square: 20 + 1 = 21.
2. Now Figure out a different way you could determine how many squares there are in the figure,
again without counting them all one-by-one. Briefly describe this other method:
Chapter P Solutions
EBK ALGEBRA AND TRIGONOMETRY
Ch. P.1 - The model L=4S gives the total number of legs that...Ch. 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 - 3-12 Using Models Use the model given to answer...Ch. P.1 - Prob. 9ECh. P.1 - Prob. 10E
Ch. P.1 - 3-12 Using Models Use the model given to answer...Ch. 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 - Cost of a Pizza A pizza parlor charges 12 for a...Ch. P.1 - Prob. 20ECh. P.1 - Prob. 21ECh. P.1 - Volume of Fruit Crate A fruit crate has square...Ch. P.1 - Grade Point Average In many universities students...Ch. P.2 - CONCEPTS Give an example of each of the following:...Ch. P.2 - Prob. 2ECh. P.2 - Prob. 3ECh. P.2 - CONCEPTS The symbol |x| stands for the _____ of...Ch. P.2 - CONCEPTS The distance between a and b on the real...Ch. P.2 - Prob. 6ECh. P.2 - 6-8 Yes or No? If No, give a reason. Assume that a...Ch. P.2 - Prob. 8ECh. P.2 - Prob. 9ECh. P.2 - Prob. 10ECh. P.2 - Prob. 11ECh. P.2 - Prob. 12ECh. P.2 - Prob. 13ECh. P.2 - Prob. 14ECh. P.2 - Prob. 15ECh. P.2 - Prob. 16ECh. P.2 - Prob. 17ECh. P.2 - Prob. 18ECh. P.2 - Prob. 19ECh. P.2 - Prob. 20ECh. P.2 - Prob. 21ECh. 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P.2 - Prob. 74ECh. P.2 - Prob. 75ECh. P.2 - Prob. 76ECh. P.2 - Prob. 77ECh. P.2 - Prob. 78ECh. P.2 - Prob. 79ECh. P.2 - Prob. 80ECh. P.2 - Prob. 81ECh. P.2 - Prob. 82ECh. P.2 - Prob. 83ECh. P.2 - Prob. 84ECh. P.2 - Prob. 85ECh. P.2 - APPLICATIONS Temperature Variation The bar graph...Ch. P.2 - Prob. 87ECh. P.2 - Prob. 88ECh. P.2 - Prob. 89ECh. P.2 - Prob. 90ECh. P.2 - Prob. 91ECh. P.2 - Prob. 92ECh. P.2 - Prob. 93ECh. P.2 - Prob. 94ECh. P.3 - CONCEPTS Using exponential notation, we can write...Ch. P.3 - Prob. 2ECh. P.3 - Prob. 3ECh. P.3 - CONCEPTS When we multiply two powers with the same...Ch. P.3 - Prob. 5ECh. P.3 - Prob. 6ECh. P.3 - Prob. 7ECh. P.3 - CONCEPTS Scientists express very large or very...Ch. P.3 - Prob. 9ECh. P.3 - Prob. 10ECh. P.3 - Prob. 11ECh. P.3 - Prob. 12ECh. P.3 - Prob. 13ECh. P.3 - Prob. 14ECh. P.3 - Prob. 15ECh. P.3 - Prob. 16ECh. P.3 - Prob. 17ECh. P.3 - Prob. 18ECh. P.3 - Prob. 19ECh. P.3 - Prob. 20ECh. P.3 - Prob. 21ECh. P.3 - Prob. 22ECh. P.3 - Prob. 23ECh. 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P.5 - CONCEPTS The Special Product Formula for the...Ch. P.5 - Prob. 7ECh. P.5 - Prob. 8ECh. P.5 - Prob. 9ECh. P.5 - Prob. 10ECh. P.5 - Prob. 11ECh. P.5 - Prob. 12ECh. P.5 - Prob. 13ECh. P.5 - Prob. 14ECh. P.5 - Prob. 15ECh. P.5 - Prob. 16ECh. P.5 - Prob. 17ECh. P.5 - Prob. 18ECh. P.5 - Prob. 19ECh. P.5 - Prob. 20ECh. P.5 - Prob. 21ECh. P.5 - Prob. 22ECh. P.5 - Prob. 23ECh. P.5 - Prob. 24ECh. P.5 - Prob. 25ECh. P.5 - Prob. 26ECh. P.5 - Prob. 27ECh. P.5 - Prob. 28ECh. P.5 - Prob. 29ECh. P.5 - Prob. 30ECh. P.5 - Prob. 31ECh. P.5 - Prob. 32ECh. P.5 - Prob. 33ECh. P.5 - Prob. 34ECh. P.5 - Prob. 35ECh. P.5 - Prob. 36ECh. P.5 - Prob. 37ECh. P.5 - Prob. 38ECh. P.5 - Prob. 39ECh. P.5 - Prob. 40ECh. P.5 - Prob. 41ECh. P.5 - Prob. 42ECh. P.5 - Prob. 43ECh. P.5 - Prob. 44ECh. P.5 - Prob. 45ECh. P.5 - Prob. 46ECh. P.5 - Prob. 47ECh. P.5 - Prob. 48ECh. P.5 - Prob. 49ECh. P.5 - Prob. 50ECh. P.5 - Prob. 51ECh. P.5 - Prob. 52ECh. P.5 - Prob. 53ECh. P.5 - Prob. 54ECh. P.5 - Prob. 55ECh. 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P.6 - The Special Factoring Formula for the differecne...Ch. P.6 - Prob. 6ECh. P.6 - Prob. 7ECh. P.6 - Prob. 8ECh. P.6 - Prob. 9ECh. P.6 - Prob. 10ECh. P.6 - Prob. 11ECh. P.6 - Prob. 12ECh. P.6 - Prob. 13ECh. P.6 - Prob. 14ECh. P.6 - Prob. 15ECh. P.6 - Prob. 16ECh. P.6 - Prob. 17ECh. P.6 - Prob. 18ECh. P.6 - Prob. 19ECh. P.6 - Prob. 20ECh. P.6 - Prob. 21ECh. P.6 - Prob. 22ECh. P.6 - Prob. 23ECh. P.6 - Prob. 24ECh. P.6 - Prob. 25ECh. P.6 - Prob. 26ECh. P.6 - Prob. 27ECh. P.6 - Prob. 28ECh. P.6 - Prob. 29ECh. P.6 - Prob. 30ECh. P.6 - Prob. 31ECh. P.6 - Prob. 32ECh. P.6 - Prob. 33ECh. P.6 - Prob. 34ECh. P.6 - Prob. 35ECh. P.6 - Prob. 36ECh. P.6 - Prob. 37ECh. P.6 - Prob. 38ECh. P.6 - Prob. 39ECh. P.6 - Prob. 40ECh. P.6 - Prob. 41ECh. P.6 - Prob. 42ECh. P.6 - Prob. 43ECh. P.6 - Prob. 44ECh. P.6 - Prob. 45ECh. P.6 - Prob. 46ECh. P.6 - Prob. 47ECh. P.6 - Prob. 48ECh. P.6 - Prob. 49ECh. P.6 - Prob. 50ECh. P.6 - Prob. 51ECh. P.6 - Prob. 52ECh. P.6 - Prob. 53ECh. P.6 - Prob. 54ECh. 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P.8 - Prob. 35ECh. P.8 - Prob. 36ECh. P.8 - Prob. 37ECh. P.8 - Prob. 38ECh. P.8 - Prob. 39ECh. P.8 - Prob. 40ECh. P.8 - Prob. 41ECh. P.8 - Prob. 42ECh. P.8 - Prob. 43ECh. P.8 - 41-54 Equations Involving Fractional Expressions...Ch. P.8 - Prob. 45ECh. P.8 - Prob. 46ECh. P.8 - Prob. 47ECh. P.8 - Prob. 48ECh. P.8 - 41-54 Equations Involving Fractional Expressions...Ch. P.8 - Prob. 50ECh. P.8 - Prob. 51ECh. P.8 - Prob. 52ECh. P.8 - Prob. 53ECh. P.8 - Prob. 54ECh. P.8 - Prob. 55ECh. P.8 - Prob. 56ECh. P.8 - Prob. 57ECh. P.8 - Prob. 58ECh. P.8 - Prob. 59ECh. P.8 - Prob. 60ECh. P.8 - Prob. 61ECh. P.8 - Prob. 62ECh. P.8 - Prob. 63ECh. P.8 - Prob. 64ECh. P.8 - Prob. 65ECh. P.8 - Prob. 66ECh. P.8 - Prob. 67ECh. P.8 - Prob. 68ECh. P.8 - Prob. 69ECh. P.8 - Prob. 70ECh. P.8 - Prob. 71ECh. P.8 - Prob. 72ECh. P.8 - Prob. 73ECh. P.8 - Prob. 74ECh. P.8 - Prob. 75ECh. P.8 - Prob. 76ECh. P.8 - Prob. 77ECh. P.8 - Prob. 78ECh. P.8 - Prob. 79ECh. P.8 - Prob. 80ECh. P.8 - Prob. 81ECh. P.8 - Prob. 82ECh. P.8 - Prob. 83ECh. P.8 - Prob. 84ECh. P.8 - Prob. 85ECh. P.8 - Prob. 86ECh. P.8 - Prob. 87ECh. P.8 - Prob. 88ECh. P.8 - Prob. 89ECh. P.8 - Prob. 90ECh. P.8 - Prob. 91ECh. P.8 - Prob. 92ECh. P.8 - Prob. 93ECh. P.8 - Prob. 94ECh. P.8 - Prob. 95ECh. P.8 - Prob. 96ECh. P.8 - Prob. 97ECh. P.8 - 87-100 Solving for a Variable Solve the equation...Ch. P.8 - Prob. 99ECh. P.8 - Prob. 100ECh. P.8 - Shrinkage in Concrete Beams As concrete dries, it...Ch. P.8 - Prob. 102ECh. P.8 - Prob. 103ECh. P.8 - Food Consumption The average daily food...Ch. P.8 - Prob. 105ECh. P.8 - DISCUSS: Proof That 0 = 1? The following steps...Ch. P.9 - Prob. 1ECh. P.9 - Prob. 2ECh. P.9 - Prob. 3ECh. P.9 - Prob. 4ECh. P.9 - Prob. 5ECh. P.9 - Prob. 6ECh. P.9 - Prob. 7ECh. P.9 - Prob. 8ECh. P.9 - Prob. 9ECh. P.9 - Prob. 10ECh. P.9 - Prob. 11ECh. P.9 - Prob. 12ECh. P.9 - Prob. 13ECh. P.9 - Prob. 14ECh. P.9 - Prob. 15ECh. P.9 - Prob. 16ECh. P.9 - Prob. 17ECh. P.9 - Prob. 18ECh. P.9 - SKILLS 7-20 Using Variables Express the given...Ch. P.9 - Prob. 20ECh. P.9 - Prob. 21ECh. P.9 - APPLICATIONS Cell Phone Costs A cell phone company...Ch. P.9 - APPLICATIONS Average Linh has obtained scores of...Ch. P.9 - Prob. 24ECh. P.9 - Prob. 25ECh. P.9 - Prob. 26ECh. P.9 - Prob. 27ECh. P.9 - Prob. 28ECh. P.9 - Prob. 29ECh. P.9 - Prob. 30ECh. P.9 - Prob. 31ECh. P.9 - APPLICATIONS Labor Costs A plumber and his...Ch. P.9 - Prob. 33ECh. P.9 - Prob. 34ECh. P.9 - Prob. 35ECh. P.9 - Prob. 36ECh. P.9 - Prob. 37ECh. P.9 - Prob. 38ECh. P.9 - Prob. 39ECh. P.9 - Prob. 40ECh. P.9 - APPLICATIONS Geometry Find the length y in the...Ch. P.9 - APPLICATIONS Geometry Find the length x in the...Ch. P.9 - Prob. 43ECh. P.9 - Prob. 44ECh. P.9 - Prob. 45ECh. P.9 - APPLICATIONS Height of Tree A woodcutter...Ch. P.9 - Prob. 47ECh. P.9 - Prob. 48ECh. P.9 - Prob. 49ECh. P.9 - Prob. 50ECh. P.9 - Prob. 51ECh. P.9 - APPLICATIONS Mixture Problem A health clinic uses...Ch. P.9 - APPLICATIONS Mixture Problem A bottle contains...Ch. P.9 - Prob. 54ECh. P.9 - Prob. 55ECh. P.9 - Prob. 56ECh. P.9 - APPLICATIONS Sharing a Job Betty and Karen have...Ch. P.9 - APPLICATIONS Sharing a Job Next-door neighbours...Ch. P.9 - Prob. 59ECh. P.9 - Prob. 60ECh. P.9 - Prob. 61ECh. P.9 - Prob. 62ECh. P.9 - APPLICATIONS Law of the Lever The figure shows a...Ch. P.9 - APPLICATIONS Law of the Lever A plank 30 ft long...Ch. P.9 - Prob. 65ECh. P.9 - Prob. 66ECh. P.9 - APPLICATIONS Dimensions of a Structure A storage...Ch. P.9 - APPLICATIONS An Ancient Chinese Problem This...Ch. P.9 - Prob. 69ECh. P.9 - Prob. 70ECh. P.CR - Prob. 1CCCh. P.CR - Prob. 2CCCh. P.CR - Prob. 3CCCh. P.CR - Prob. 4CCCh. P.CR - Prob. 5CCCh. P.CR - Prob. 6CCCh. P.CR - Prob. 7CCCh. P.CR - Prob. 8CCCh. P.CR - Prob. 9CCCh. P.CR - Prob. 10CCCh. P.CR - Prob. 11CCCh. P.CR - Prob. 12CCCh. P.CR - Prob. 13CCCh. P.CR - Prob. 14CCCh. P.CR - Prob. 15CCCh. P.CR - Prob. 16CCCh. P.CR - Prob. 17CCCh. P.CR - Prob. 18CCCh. P.CR - Prob. 19CCCh. P.CR - Prob. 1ECh. P.CR - Prob. 2ECh. P.CR - Prob. 3ECh. P.CR - Prob. 4ECh. P.CR - Prob. 5ECh. P.CR - Prob. 6ECh. P.CR - Prob. 7ECh. P.CR - Prob. 8ECh. P.CR - Prob. 9ECh. P.CR - Prob. 10ECh. P.CR - Prob. 11ECh. P.CR - Prob. 12ECh. P.CR - Prob. 13ECh. P.CR - Prob. 14ECh. P.CR - Prob. 15ECh. P.CR - Prob. 16ECh. P.CR - Prob. 17ECh. P.CR - Prob. 18ECh. P.CR - Prob. 19ECh. P.CR - Prob. 20ECh. P.CR - Prob. 21ECh. P.CR - Prob. 22ECh. P.CR - Prob. 23ECh. P.CR - Prob. 24ECh. P.CR - Prob. 25ECh. P.CR - Prob. 26ECh. P.CR - Prob. 27ECh. P.CR - Prob. 28ECh. P.CR - Prob. 29ECh. P.CR - Prob. 30ECh. P.CR - Prob. 31ECh. P.CR - Prob. 32ECh. P.CR - Prob. 33ECh. P.CR - Prob. 34ECh. P.CR - Prob. 35ECh. P.CR - Prob. 36ECh. P.CR - Prob. 37ECh. P.CR - Prob. 38ECh. P.CR - Prob. 39ECh. P.CR - Prob. 40ECh. P.CR - Prob. 41ECh. P.CR - Prob. 42ECh. P.CR - Prob. 43ECh. P.CR - Prob. 44ECh. P.CR - Prob. 45ECh. P.CR - Prob. 46ECh. P.CR - Prob. 47ECh. P.CR - Prob. 48ECh. P.CR - Prob. 49ECh. P.CR - Prob. 50ECh. P.CR - Prob. 51ECh. P.CR - Prob. 52ECh. P.CR - Prob. 53ECh. P.CR - Prob. 54ECh. P.CR - Prob. 55ECh. P.CR - Prob. 56ECh. P.CR - Prob. 57ECh. P.CR - Prob. 58ECh. P.CR - Prob. 59ECh. P.CR - Prob. 60ECh. P.CR - Prob. 61ECh. P.CR - Prob. 62ECh. P.CR - Prob. 63ECh. P.CR - Prob. 64ECh. P.CR - Prob. 65ECh. P.CR - Prob. 66ECh. P.CR - Prob. 67ECh. P.CR - Prob. 68ECh. P.CR - Prob. 69ECh. P.CR - Prob. 70ECh. P.CR - Prob. 71ECh. P.CR - Prob. 72ECh. P.CR - Prob. 73ECh. P.CR - Prob. 74ECh. P.CR - Prob. 75ECh. P.CR - Prob. 76ECh. P.CR - Prob. 77ECh. P.CR - Prob. 78ECh. P.CR - Prob. 79ECh. P.CR - Prob. 80ECh. P.CR - Prob. 81ECh. P.CR - Prob. 82ECh. P.CR - Prob. 83ECh. P.CR - Prob. 84ECh. P.CR - Prob. 85ECh. P.CR - Prob. 86ECh. P.CR - Prob. 87ECh. P.CR - Prob. 88ECh. P.CR - Prob. 89ECh. P.CR - Prob. 90ECh. P.CR - Prob. 91ECh. P.CR - Prob. 92ECh. P.CR - Prob. 93ECh. P.CR - Prob. 94ECh. P.CR - Prob. 95ECh. P.CR - Prob. 96ECh. P.CR - Prob. 97ECh. P.CR - Prob. 98ECh. P.CR - Prob. 99ECh. P.CR - Prob. 100ECh. P.CR - Prob. 101ECh. P.CR - Prob. 102ECh. P.CR - Prob. 103ECh. P.CR - Prob. 104ECh. P.CR - Prob. 105ECh. P.CR - Prob. 106ECh. P.CR - Prob. 107ECh. P.CR - Prob. 108ECh. P.CR - Prob. 109ECh. P.CR - Prob. 110ECh. P.CR - Prob. 111ECh. P.CR - Prob. 112ECh. P.CR - Prob. 113ECh. P.CR - Prob. 114ECh. P.CR - Prob. 115ECh. P.CR - Prob. 116ECh. P.CR - Prob. 117ECh. P.CR - Prob. 118ECh. P.CR - Prob. 119ECh. P.CR - Prob. 120ECh. P.CR - Prob. 121ECh. P.CR - Prob. 122ECh. P.CR - Prob. 123ECh. P.CR - Prob. 124ECh. P.CR - Prob. 125ECh. P.CR - Prob. 126ECh. P.CR - Prob. 127ECh. P.CR - Prob. 128ECh. P.CR - Prob. 129ECh. P.CR - Distance and Time Anthony leaves Kingstown at 2:00...Ch. P.CR - Prob. 131ECh. P.CR - Prob. 132ECh. P.CR - Prob. 133ECh. P.CR - Prob. 134ECh. P.CT - A pizzeria charges 9 for a medium plain cheese...Ch. P.CT - Prob. 2CTCh. P.CT - Prob. 3CTCh. P.CT - Prob. 4CTCh. P.CT - Prob. 5CTCh. P.CT - Prob. 6CTCh. P.CT - Prob. 7CTCh. P.CT - Prob. 8CTCh. P.CT - Prob. 9CTCh. P.CT - Prob. 10CTCh. P.CT - Prob. 11CTCh. P.CT - Prob. 12CTCh. P.CT - Prob. 13CTCh. P.CT - Natasha drove from Bedingfield to Portsmouth at an...Ch. P.FOM - Renting versus buying a photocopier A certain...Ch. P.FOM - Car Rental A businessman intends to rent a car for...Ch. P.FOM - Prob. 3PCh. P.FOM - Prob. 4PCh. P.FOM - Edging a Planter A woman wants to make a small...Ch. P.FOM - Prob. 6PCh. P.FOM - Cell Phone Plans Gwendolyn is mulling over the...Ch. P.FOM - Profit Sharing To form a new enterprise, Company A...
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