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Solutions for Algebra and Trigonometry, 5th Edition by James Stewart

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Course
Algebra

Institution
Algebra

Complete Solutions Manual for Algebra and Trigonometry 5e 5th Edition by James Stewart, Lothar Redlin, Saleem Watso. Full Chapters Solutions are included - Chapter 1 to 13 P. PREREQUISITES. Chapter Overview. P1. Modeling the Real-World with Algebra. P2. The Real Numbers. P3. Integer Exponents a...

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Uploaded on September 30, 2023
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algebra
trigonometry
5th
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james
stewart
solutions
manual
solution guide
answer guide
9780357753644
5e

Institution Algebra
Course Algebra

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Solutions for Algebra and Trigonometry 5th Edition Stewart
CHAPTER P PREREQUISITES 1
P.1 Modeling the Real World with Algebra 1
P.2 Real Numbers 2
P.3 Integer Exponents and Scientific Notation 7
P.4 Rational Exponents and Radicals 12
P.5 Algebraic Expressions 16
P.6 Factoring 19
P.7 Rational Expressions 24
P.8 Solving Basic Equations 31
P.9 Modeling with Equations 36
Chapter P Review 42
Chapter P Test 48
¥ FOCUS ON MODELING: Making Optimal Decisions 51

, P PREREQUISITES

P.1 MODELING THE REAL WORLD WITH ALGEBRA
1. Using this model, we ﬁnd that 15 cars have W  4 15  60 wheels. To ﬁnd the number of cars that have a total of
W
W wheels, we write W  4X  X  .If the cars in a parking lot have a total of 124 wheels, we ﬁnd that there are
4
X  124
4  31 cars in the lot.
2. If each gallon of gas costs $350, then x gallons of gas costs $35x. Thus, C  35x. We ﬁnd that 12 gallons of gas would
cost C  35 12  $42.
3. If x  $120 and T  006x, then T  006 120  72. The sales tax is $720.
4. If x  62,000 and T  0005x, then T  0005 62,000  310. The wage tax is $310.
5. If   70, t  35, and d  t, then d  70  35  245. The car has traveled 245 miles.
 
6. V  r 2 h   32 5  45  1414 in3
N 240
7. (a) M    30 miles/gallon 8. (a) T  70  0003h  70  0003 1500  655 F
G 8
175 175 (b) 64  70  0003h  0003h  6  h  2000 ft
(b) 25  G  7 gallons
G  25   
9. (a) V  95S  95 4 km3  38 km3 10. (a) P  006s 3  006 123  1037 hp

(b) 19 km3  95S  S  2 km3 (b) 75  006s 3  s 3  125 so s  5 knots

11. (a) (b) We know that P  30 and we want to ﬁnd d, so we solve the
Depth (ft) Pressure (lb/in2 ) equation 30  147  045d  153  045d 
0 045 0  147  147 153
d  340. Thus, if the pressure is 30 lb/in2 , the depth
10 045 10  147  192 045
20 045 20  147  237 is 34 ft.

30 045 30  147  282
40 045 40  147  327
50 045 50  147  372
60 045 60  147  417

12. (a) (b) We solve the equation 40x  120,000 
Population Water use (gal) 120,000
x  3000. Thus, the population is about 3000.
0 0 40
1000 40 1000  40,000
2000 40 2000  80,000
3000 40 3000  120,000
4000 40 4000  160,000
5000 40 5000  200,000
13. The number N of cents in q quarters is N  25q.
ab
14. The average A of two numbers, a and b, is A  .
2
1

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Exam (elaborations)

Solutions for Algebra and Trigonometry, 5th Edition by James Stewart

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