Question 1

Solve: 7 - 2x < 9

Accepted Answer

The answer of Solve: 7 - 2x < 9...

Question 2

The CEO of an office equipment company decides to borrow money to expand their manufacturing facility.The company has current assets of $4,000,000 and current liabilities of $640,000.How much can they borrow if they want their current ratio of assets to liabilities to be no less than 3? (Note: (1)The current ratio is the ratio of a business' current assets to its current liabilities; (2)The funds they receive are considered as current assets and the loan as a current liability.)

Accepted Answer

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Question 3

A sociologist is hired by a city to study different programs that aid the education of preschool-age children.The sociologist estimates that n years after the beginning of a particular program,p thousand preschoolers will be enrolled,where p =  
n(12 - n).How many years after the start of the program will 25,000 preschoolers first be enrolled?

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The answer of A sociologist is hired by a city...

Question 4

Two resistors  
and  
are connected in parallel in an electrical circuit.The net resistance R is given by  
If  
= 20 ohms,what values of  
will create a net resistance of less than 10 ohms?

Accepted Answer

The answer of Two resistors  
and  
are connected...

Question 5

Solve: Six plus three times x is a number 12 units from zero.

Accepted Answer

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Question 6

To train for a race,Will begins by jogging 11 minutes one day per week.He increases his jogging time by 6 minutes each week.Write the general term of this arithmetic sequence,and find how many whole weeks it takes for him to reach a jogging time of one hour.

Accepted Answer

A)   = 6k + 5; 10 weeks 
B)   = 6k + 11; 9 weeks 
C)   = 6k + 5; 9 weeks 
D)   = 6k + 11; 10 weeks

Question 7

The owner of a floral shop wants to take out a loan to purchase a new delivery truck.The company has current assets of $121,600 and current liabilities of $28,000.How much can he borrow if he wants his current ratio of assets to liabilities to be no less than 2.8? (Note: The funds they receive are considered as current assets and the loan as a current liability.)

Accepted Answer

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Question 8

The relationship between Fahrenheit and Celsius temperature is given by the formula  
=  
.Normal body temperature is F ≥ 98.6.Find the corresponding Celsius temperature.

Accepted Answer

The answer of The relationship between Fahrenheit and Celsius temperature...

Question 9

a = 12,24,36,48;

Accepted Answer

A)  24 
B)  12 
C)  2 
D)  36

Question 10

a = 21; d = -5

Accepted Answer

A)  21, 16, 11, 6, 1 
B)  0, 21, 16, 11, 6 
C)  -21, -16, -11, -6, -1 
D)  25, 19, 13, 7, 1

Question 11

Approximately 21% of the air we breathe is oxygen.To the nearest milliliter,how many milliliters of air contain 1 milliliter of oxygen?

Accepted Answer

The answer of Approximately 21% of the air we breathe...

Question 12

Simplify: |-8|

Accepted Answer

The answer of Simplify: |-8|...

Question 13

The solution of  ≤ 5 is

Accepted Answer

A)  -3 ≤ x ≤ 7 
B)  -7 ≤ x ≤ 3 
C)  x ≤ - 3, x ≥ 7 
D)  x ≤ -7, x ≥ 3 
E)  0 ≤ x ≤ 3

Question 14

Three times x plus five is a number that is more than 4 units from zero.What are the possible values for x?

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The answer of Three times x plus five is a...

Question 15

A company produces a product for which the variable cost per unit is $3.50 and fixed cost is $20,000 per year.Next year,the company wants the total cost to be $48,000.How many units of the product should be made next year?

Accepted Answer

The answer of A company produces a product for which...

Question 16

A company manufactures water filters that cost $15 for labor and material,plus $50,000 in fixed costs.If they sell the water filter for $20,how many must be sold to make a profit?

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Question 17

For safety reasons,the arrival time of commuter train A at a station must be at least 6 minutes different from the 6:00 p.m.arrival of train B.

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Question 18

A retired couple has $192,000 to invest.A safe investment yields 9.5% per year,but a riskier investment yields 12.5% per year.How much should they invest at each rate to earn $21,000 per year?

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The answer of A retired couple has $192,000 to invest.A...

Question 19

A woman has $90,000 to invest in two mutual funds.One fund is low-risk and has an annual yield of 10%.The second fund is medium-risk and has a 15% annual yield.How much should she invest in each fund if she would like to earn $10,000 per year from her investments?

Accepted Answer

The answer of A woman has $90,000 to invest in...

Question 20

A woodworker must decide whether to buy or rent a table saw.If he rents the saw,the rental fee is $30 per weekend,and the charge for delivery and pickup is $15.If he were to buy the saw,the purchase price is $960 plus $5 each weekend for new saw blades and maintenance.After how many weekends of use would it cost less to buy the saw than rent it?

Accepted Answer

The answer of A woodworker must decide whether to buy...

Exam 2: Applications and More Algebra