HW 4B
Math 5
C. Panza
Section 4B
Compound Interest. In Exercises 4752, use the compound interest formula to determine the
accumulated balance after the stated period. Assume that interest is compounded annually.
47. $3000 is invested at an APR of 3% for 1
HW 4C
Math 5
C. Panza
Section 4C
Investment Plans. Use the savings plan formula in Exercises 4952.
1+
A = PMT
APR (nY )
n
APR
n
1
49. You set up an IRA (individual retirement account) with an APR of 5% at age 25. At the end
of each month, you deposit $75
Math 5
HW 8A
C. Panza
Section 8A
Decide whether each of the following statements makes sense (or is clearly true) or does not make
sense (or is clearly false). Explain your reasoning.
15. Money in a bank account earning compound interest at an annual perc
HW 3E
Math 5
C. Panza
Section 3E
22. Passing Percentages. The table below shows the passing records of two rival quarterbacks
in the rst half and second half of a football game.
Player
Allan
Abner
First Half
Completions Attempts
8
20
2
6
Percent
40%
33%
P
HW 8C
Math 5
C. Panza
Section 8C
Decide whether each of the following statements makes sense (or is clearly true) or does not make
sense (or is clearly false). Explain your reasoning.
18. If birth rates fall more than death rates, the growth rate of world
HW 12C
Math 5
C. Panza
Section 12C
State Representation. The following table shows four states, their 2004 population, and their
number of seats in the House of Representatives (based on the 2000 census). For the states indicated
in Exercises 2528, nd the
Math 5
HW 10C
C. Panza
Section 10C
16. What do we mean by a self-similar fractal? How is a self-similar fractal, like the snowake
curve, similar to a real coastline? How is it dierent?
A self-similar fractal is a fractal that looks similar to itself at di
HW 10B
Math 5
C. Panza
Section 10B
Angular Size. Use the formula relating angular size, physical size, and distance in Exercises 4750.
48. What is the angular size of a quarter viewed from a distance of 25 yards?
angular size = (1 in)
360
2 900 in
0.06
HW 10A
Math 5
C. Panza
Section 10A
69. Water Reservoir. The water reservoir for a city is shaped like a rectangular prism 250
meters long, 60 meters wide, and 12 meters deep. At the end of the day, the reservoir is 70%
full. How much water must be added o
Math 5
HW 12A
C. Panza
Section 12A
2. According to Table 12.1, in the 2000 presidential election Al Gore received
a. a majority of the popular vote.
b. a majority of the electoral vote.
c. a plurality of the popular vote.
Al Gore received a plurality of t
Math 5
HW 12D
C. Panza
Section 12D
DOES IT MAKE SENSE?
18. In my home state, 46% of the voters are registered Republicans, but I live in a district in
which 72% of the voters are Republican.
Yes, this makes sense. Even though the state percentage is 46%,
Math 5
HW 13B
C. Panza
Section 13B
Practice with Hamiltonian Circuits. For Exercises 1922, consider the networks shown. In
each case, follow the edges according to the arrows, and determine whether that path forms a
Hamiltonian circuit. Justify your reaso
Math 5
HW 13C
C. Panza
Section 13C
Decide whether each of the following statements makes sense (or is clearly true) or does not make
sense (or is clearly false). Explain your reasoning.
17. Jim plans to use a critical path analysis to organize his ten-cit
HW 13A
Math 5
C. Panza
Section 13A
28. Layout of an Art Gallery. The oor plan of a small art gallery is shown in Figure 13.20.
Draw a network in which vertices represent rooms and edges represent doors.
G
F
A
E
B
C
D
29. Friendships and International Trad
HW 12B
Math 5
C. Panza
Section 12B
Exercises 27 refer to the following preference schedule, for a three-person election in which 100
people cast ballots:
First
Berman
Freedman Goldsmith
Second Freedman Goldsmith Freedman
Goldsmith
Berman
Berman
Third
43
3
HW 4A
Math 5
C. Panza
Section 4A
Extravagant Spending? In Exercises 2330, compute the total cost per year of the rst set of
expenses. Then complete the sentence: On an annual basis, the rst set of expenses is
% of
the second set of expenses.
25. Suzannes
HW 3D
Math 5
C. Panza
Section 3D
Gasoline Price Index. Answer the questions in Exercises 2126 using Table 3.2.
23. Suppose it cost $10 to ll a gas tank in 1975. How much would it have cost to ll the same
tank in 1995?
2.125($10) = $21.25
It would have cos
HW 3A
Math 5
C. Panza
Section 3A
Review of Fractions. Exercises 2742 use skills covered in the Brief Review on p. 137. For each
exercise, express the given number in three forms: reduced fraction, decimal, and percentage.
27. 2/5
35. 5/8
Reduced Fraction:
Math 5 Contemporary Mathematics
C. Panza Spring 2014
Exam 1 Solutions
Name:
Solutions
Date:
2.25.14
Instructions
Read ALL instructions carefully;
This is an individual test, you may use your book but not your notes;
Use only pencil;
Be sure to show your w
Math 5 Contemporary Mathematics
C. Panza Spring 2014
Exam 2 Solutions
Name:
Solutions
Date:
4.3.14
Instructions
Read ALL instructions carefully;
This is an individual, closed-book/note test,;
Use only pencil;
Be sure to show your work NEATLY and CLEANLY f
HW 8B
Math 5
C. Panza
Section 8B
Decide whether each of the following statements makes sense (or is clearly true) or does not make
sense (or is clearly false). Explain your reasoning.
19. Our town is growing with a doubling time of 25 years, so its popula
HW 4D
Math 5
C. Panza
Section 4D
Loan Payments. For the loans described in Exercises 2534, do the following:
a. Calculate the monthly payment.
b. Determine the total payment over the term of the loan.
c. Determine how much of the total payment over the lo
HW 4F
Math 5
C. Panza
Section 4F
26. Personal Budget Basics. Suppose your after-tax income is $28,000. Your annual expenses
are $8000 for rent, $4500 for food and household expenses, $1600 for interest on credit cards,
and $10,400 for entertainment, trave
Math 5
Spring 2014
Quiz 1
Name:
Instructor: C. Panza
Quiz 1: (10 points) Show your work and clearly mark your answer. You may use your
calculator, but you must still show some work, not just an answer. Always answer with a
complete sentence.
(3pts )
1. Be
Math 5
Spring 2014
Quiz 2
Name:
Instructor: C. Panza
Quiz 2: (10 points) Show your work and clearly mark your answer. You may use your
calculator, but you must still show some work, not just an answer. Always answer with a
complete sentence.
(2pts )
1. Yo
Math 5
Spring 2014
Quiz 1 Solutions
Name:
Instructor: C. Panza
Quiz 1 Solutions: (10 points) Show your work and clearly mark your answer. You may
use your calculator, but you must still show some work, not just an answer. Always answer
with a complete sen
Math 5
Spring 2014
Quiz 3
Name:
Instructor: C. Panza
Quiz 3: (10 points) Show your work and clearly mark your answer. You may use your
calculator, but you must still show some work, not just an answer. Always answer with a
complete sentence.
(5pts )
1. Fo
Math 5
Spring 2014
Quiz 2 Solutions
Name:
Instructor: C. Panza
Quiz 2 Solutions: (10 points) Show your work and clearly mark your answer. You may
use your calculator, but you must still show some work, not just an answer. Always answer
with a complete sen
Math 5
Spring 2014
Quiz 3 Solutions
Name:
Instructor: C. Panza
Quiz 3 Solutions: (10 points) Show your work and clearly mark your answer. You may
use your calculator, but you must still show some work, not just an answer. Always answer
with a complete sen
Math 5
Spring 2014
Quiz 5 Solutions
Name:
Instructor: C. Panza
Quiz 5 Solutions: (10 points) Show your work and clearly mark your answer. You may
use your calculator, but you must still show some work, not just an answer. Always answer
with a complete sen