WebAssign

Saturday, November 21, 2009 12:15 AM EST

Logged in as brookscole@brookscole

Logout
Home | My Assignments | Grades | Communication | Calendar | My eBooks

My eBooks

Foundations of Astronomy - 9e
Seeds

You have not purchased access to this eBook.

Purchase eBook Access

Foundations of Astronomy - 10e
Seeds

You have not purchased access to this eBook.

Purchase eBook Access

Horizons - Exploring the Universe - 10e
Seeds

You have not purchased access to this eBook.

Purchase eBook Access

Guide | Help | My Options

Aufmann - Beginning Algebra with Applications 7/e (Homework)

Chris Read

Mathematics and Sciences, section 2, Fall 2010

Instructor: Mr. Cengage

Current Score: 0/46

Due: Wednesday, August 18, 2010 06:00 PM EDT

About this Assignment

Question
Points
1 2 3 4 5 6 7 8 9 10
0/6 0/1 0/11 0/1 0/1 0/6 0/1 0/1 0/4 0/14
Total
0/46

Description

Here are some textbook questions from Beginning Algebra with Applications 7/e by Richard N. Aufmann, Vernon C. Barker, Joanne S. Lockwood published by Brooks/Cole. Click here for a list of all of the questions coded in WebAssign.


Instructions

This demo assignment allows many submissions and allows you to try another version of the same question for practice.



1. –/6 points Notes Question: AufBAlgAp7 3.1.036.MI.
Question part
Points
Submissions
1 2 3 4 5 6
0/1 0/1 0/1 0/1 0/1 0/1
0/50 0/50 0/50 0/50 0/50 0/50
Total
0/6
 
Solve and check.
z − 6 = 12
z =
Enter an exact number.


Need Help? Read It Watch It Practice It Master It


2. –/1 points Notes Question: AufBAlgAp7 3.1.088.
Question part
Points
Submissions
1
0/1
0/50
Total
0/1
 
Solve and check.
6x = 12
x =
Enter an exact number.

Need Help? Read It Watch It Practice It


3. –/11 points Notes Question: AufBAlgAp7 3.1.156.MI.
Question part
Points
Submissions
1 2 3 4 5 6 7 8 9 10 11
0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1
0/50 0/50 0/50 0/50 0/50 0/50 0/50 0/50 0/50 0/50 0/50
Total
0/11
 
K&B River Tours offers a river trip that takes passengers from the K&B dock to a small island that is 21 mi away. The passengers spend 3 h at the island and then return to the K&B dock. If the speed of the boat is 12 mph in calm water and the rate of the current is 2 mph, how long does the trip last?
Enter an exact number.
 hr


Need Help? Read It Master It


4. –/1 points Notes Question: AufBAlgAp7 3.2.028.
Question part
Points
Submissions
1
0/1
0/50
Total
0/1
 
Solve and check.
5y + 4 = 7
y =
Enter a reduced fraction.

Need Help? Read It Practice It


5. –/1 points Notes Question: AufBAlgAp7 3.2.126.
Question part
Points
Submissions
1
0/1
0/50
Total
0/1
 
Solve and check.
6n + 4 = 2n + 1
n =
Enter a reduced fraction.

Need Help? Read It Watch It Practice It


6. –/6 points Notes Question: AufBAlgAp7 3.2.174.MI.
Question part
Points
Submissions
1 2 3 4 5 6
0/1 0/1 0/1 0/1 0/1 0/1
0/50 0/50 0/50 0/50 0/50 0/50
Total
0/6
 
Black ice is an ice covering on roads that is especially difficult to see and therefore extremely dangerous for motorists. The distance that a car traveling 30 mph will slide after its brakes are applied is related to the outside temperature by the formula below where C is the Celsius temperature and D is the distance in feet that the car will slide. Determine the distance a car will slide on black ice when the outside temperature is -6°C.
C = 
1
4
D − 45
Enter an exact number.
 ft



Need Help? Read It Master It


7. –/1 points Notes Question: AufBAlgAp7 3.2.188.
Question part
Points
Submissions
1
0/1
0/50
Total
0/1
 
To determine the break-even point, or the number of units that must be sold so that no profit or loss occurs, an economist uses the equation below where P is the selling price per unit, x is the number of units sold, C is the cost to make each unit, and F is the fixed cost.
Px = Cx + F
A manufacturing engineer determines that the cost per unit for a compact disc is $5.35 and that the fixed cost is $4370. The selling price for the compact disc is $10.75. Find the break-even point. (Round your answer to the nearest integer.)
Enter a number.
 compact discs.

Need Help? Read It Practice It


8. –/1 points Notes Question: AufBAlgAp7 3.3.046.
Question part
Points
Submissions
1
0/1
0/50
Total
0/1
 
Solve.
n - 4.38 ≤ 5.88

Need Help? Read It


9. –/4 points Notes Question: AufBAlgAp7 3.3.098.MI.
Question part
Points
Submissions
1 2 3 4
0/1 0/1 0/1 0/1
0/50 0/50 0/50 0/50
Total
0/4
 
Solve.
1.6x ≤ 2.56



Need Help? Read It Master It


10. –/14 points Notes Question: AufBAlgAp7 3.3.152.MI.
Question part
Points
Submissions
1 2 3 4 5 6 7 8 9 10 11 12 13 14
0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1
0/50 0/50 0/50 0/50 0/50 0/50 0/50 0/50 0/50 0/50 0/50 0/50 0/50 0/50
Total
0/14
 
Use the roster method to list the set of integers that are common to the solution sets of the two inequalities. (Enter your answers as a comma-separated list.)
7x − 4 > 9x − 2
4x − 5 < 6x + 8
 
Enter a mathematical expression or equation with exact values.
 


Need Help? Read It Master It

Home My Assignments