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Aufmann - Basic College Math: Applied Approach 8/e (Homework)

James Finch

Math - Developmental, Fall 2010

Instructor: Dr. Friendly

Current Score: 9/11

Due: Wednesday, August 18, 2010 23:00 EDT

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

Description

Here are some textbook questions from Basic College Mathematics: An Applied Approach 8/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. 1/1 points All Submissions Notes Question: AufBCM8 1.1.004.
Question part
Points
Submissions
1
1
1/50
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1/1
 
Graph the number on the number line.
8

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2. 1/1 points All Submissions Notes Question: AufBCM8 2.1.022.
Question part
Points
Submissions
1
1
9/50
Total
1/1
 
Find the LCM.
200, 160
Enter an exact number.
Your answer is correct.

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3. 1/1 points All Submissions Notes Question: AufBCM8 2.1.062.
Question part
Points
Submissions
1
1
6/50
Total
1/1
 
Find the GCF.
44, 33, 99
Enter an exact number.
Your answer is correct.

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4. 1/1 points All Submissions Notes Question: AufBCM8 2.1.070.
Question part
Points
Submissions
1
1
1/50
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1/1
 
Joe Salvo, a lifeguard, works 2 days and then has a day off. A friend works 5 days and then has a day off. How many days after Joe and his friend have a day off together will they have another day off together?
Enter an exact number.
Your answer is correct.

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5. 1/1 points All Submissions Notes Question: AufBCM8 2.2.068.
Question part
Points
Submissions
1
1
1/50
Total
1/1
 
Write the mixed number as an improper fraction.
8 3/8

Enter an exact number.
Your answer is correct.
8

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6. 1/1 points All Submissions Notes Question: AufBCM8 2.5.022.
Question part
Points
Submissions
1
1
1/50
Total
1/1
 
Subtract and simplify if possible.
5/6
-4/7
Enter a reduced fraction.
Your answer is correct.

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7. 1/1 points All Submissions Notes Question: AufBCM8 2.7.096.
Question part
Points
Submissions
1
1
1/50
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1/1
 
The figure below shows how the money borrowed on home equity loans is spent. What fractional part of the money borrowed on home equity loans is spent on real estate and home improvement?
Enter an exact number as an integer, fraction, or decimal.
Your answer is correct.

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8. 0/1 points All Submissions Notes Question: AufBCM8 2.8.038.
Question part
Points
Submissions
1
0/1
3/50
Total
0/1
 
Simplify.
5/49-(2/7)^2+5/21

Enter a reduced fraction.
Your answer is incorrect.

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9. 2/2 points All Submissions Notes Question: AufBCM8 3.2.022.
Question part
Points
Submissions
1 2
1 1
1/50 1/50
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2/2
 
A family has a mortgage payment of $813.93, a Visa bill of $218.93, and an electric bill of $86.32.
(a) Calculate the exact amount of the three payments.
$
Enter an exact number.
Your answer is correct.

(b) Round the numbers to the nearest hundred and use estimation to determine whether the sum you calculated is reasonable.
$
Enter a number.
Your answer is correct.

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10. –/1 points Notes Question: AufBCM8 3.5.104.
Question part
Points
Submissions
1
0/1
0/50
Total
0/1
 
The graph below shows the growth in the number of spam messages sent daily worldwide. Figures are given in billions. How many times greater is the number of spam messages sent daily in 2004 than the number sent in 2003? Round to the nearest tenth.
Enter a number.
 times greater

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