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Aufmann et al-Essential Mathematics with Apps 7/e (Homework)

James Finch

Math - Developmental, section A, Fall 2019

Instructor: Dr. Friendly

Current Score : 1 / 12

Due : Monday, December 30, 2030 23:59 EST

Last Saved : n/a Saving...  ()

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Question
Points
1 2 3 4 5 6 7 8 9
–/1 –/1 –/1 –/1 –/1 –/1 –/1 –/4 –/1
Total
1/12 (8.3%)

  • Instructions

    Here are some textbook questions from Essential Mathematics with Applications, Student Support Edition 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. This demo assignment allows many submissions and allows you to try another version of the same question for practice wherever the problem has randomized values.

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1. –/1 points AufEssMath7 1.1.004. My Notes
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Submissions Used
1
–/1
0/50
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–/1
 
Graph the number on the number line.
18
Use the tools to enter your answer.
Created with Raphaël 2.1.002468101214161820
Created with Raphaël 2.1.0

NO SOLUTION

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2. –/1 points AufEssMath7 2.1.022. My Notes
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1
–/1
0/50
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–/1
 
Find the LCM.
120, 160

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3. –/1 points AufEssMath7 2.1.062. My Notes
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–/1
 
Find the GCF.
11, 22, 99

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4. –/1 points AufEssMath7 2.1.070. My Notes
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–/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?

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5. –/1 points AufEssMath7 2.5.038. My Notes
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–/1
 
Find 11/12 decreased by 2/15.

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6. –/1 points AufEssMath7 3.2.022. My Notes
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1 2
–/1 –/0
0/50 0/50
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–/1
 
A family has a mortgage payment of $819.72, a Visa bill of $219.70, and an electric bill of $88.39.
(a) Calculate the exact amount of the three payments.
$

(b) Round the numbers to the nearest hundred and use estimation to determine whether the sum you calculated is reasonable.
$

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7. –/1 points AufEssMath7 3.5.104. My Notes
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–/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 2001? Round to the nearest tenth.
times greater

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8. –/4 points AufEssMath7 5.3.014.SBS. My Notes
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–/4
 
What percent of 0.4 is 0.2?

STEP 1: Set up the percent × base = amount equation.
n × =0.2
STEP 2: Solve the equation for n.
n=0.2 ÷ =
STEP 3: Convert n to a percent.
n×100= %

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9. –/1 points AufEssMath7 5.3.022. My Notes
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–/1
 
What percent of 400 is 28?
%

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