Question 1

Solve:  
- 9y - 12 = 0

Accepted Answer

The answer of Solve:  
- 9y - 12 =...

Question 2

The miles a person can see to the horizon from a point above the surface of Earth is 0.85 of the square root of the person's distance in feet above the surface.Karen is 39 feet higher and sees 2.55 miles farther than Sharon.How high are Karen and Sharon above the surface?

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Question 3

Solve:  
-  
= 1

Accepted Answer

The answer of Solve:  
-  
= 1...

Question 4

The time it takes an airplane to travel a given distance with a headwind (against the wind)can be calculated by dividing the distance by the difference of the speed of the airplane and the speed of the wind.Write an equation which calculates the time t it takes an airplane traveling at a speed r against a wind w to cover a distance d.Solve your equation for w.

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Question 5

The time it takes a boat to travel a given distance downstream (with the current)can be calculated by dividing the distance by the sum of the speed of the boat and the speed of the current.Write an equation which calculates the time t it takes a boat moving at a speed r against a current c to travel a distance d.Solve your equation for r.

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Question 6

What is the sales tax paid on an item whose total receipt was $100.75 and whose sales tax rate was 5.5%?

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Question 7

The miles a person can see to the horizon from a point above the surface of Earth is 0.85 of the square root of the person's distance in feet above the surface.Sean is 65 feet higher and sees 4.25 miles farther than Craig.How high are Sean and Craig above the surface?

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Question 8

Solve:  
- 4 = 0

Accepted Answer

The answer of Solve:  
- 4 = 0...

Question 9

Suppose the ratio of the number of hours a coffee shop is opened to the number of daily customers it gets is constant.When it is opened 3 hours,the number of customers is 180 less than the maximum number of customers.When it is opened 11 hours,the number of customers is 20 less than the maximum number of customers.Write an equation describing this situation and find the maximum number of daily customers.

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Question 10

Solve:  
- 7x - 8 = 0

Accepted Answer

The answer of Solve:  
- 7x - 8 =...

Question 11

A boat with a speed of 12 mph travels 8 miles downstream in a current of c miles an hour in the same time a boat going the same speed travels 4 miles upstream.Write an equation describing this situation and find the speed of the current.

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Question 12

Solve:  
= 4

Accepted Answer

The answer of Solve:  
= 4...

Question 13

Solve:  
- 9x + 4 = 0

Accepted Answer

The answer of Solve:  
- 9x + 4 =...

Question 14

Solve for x:  + 
= 1

Accepted Answer

The answer of Solve for x:  + 
= 1
...

Question 15

At a certain mall in Ohio,the sales tax is 7%.If the total receipt for a food processor was $160.50,what was the price of the food processor?

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Question 16

Solve:  
= 2(x + 2)

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= 2(x + 2)...

Question 17

The difference between the length of a ramp and the length of the horizontal distance it covers is 4 feet.The square of the vertical distance it covers is 56 feet.What is the length of the ramp?

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Question 18

The difference between the length of a ramp and the length of the horizontal distance it covers is 1 foot.The square of the vertical distance it covers is 9 feet.What is the length of the ramp?

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Question 19

Solve:  
+ 8t + 7 = 0

Accepted Answer

The answer of Solve:  
+ 8t + 7 =...

Question 20

The miles a person can see to the horizon from a point above the surface of Earth is 0.85 of the square root of the person's distance in feet above the surface.Talia is 13 feet higher and sees 0.85 farther than John.How high are Talia and John above the surface?

Accepted Answer

The answer of The miles a person can see to...

Quiz 1: Review of Algebra

Solve: - 9y - 12 = 0

The miles a person can see to the horizon from a point above the surface of Earth is 0.85 of the square root of the person's distance in feet above the surface.Karen is 39 feet higher and sees 2.55 miles farther than Sharon.How high are Karen and Sharon above the surface?

Solve: - = 1

What is the sales tax paid on an item whose total receipt was $100.75 and whose sales tax rate was 5.5%?

The miles a person can see to the horizon from a point above the surface of Earth is 0.85 of the square root of the person's distance in feet above the surface.Sean is 65 feet higher and sees 4.25 miles farther than Craig.How high are Sean and Craig above the surface?

Solve: - 4 = 0

Solve: - 7x - 8 = 0

A boat with a speed of 12 mph travels 8 miles downstream in a current of c miles an hour in the same time a boat going the same speed travels 4 miles upstream.Write an equation describing this situation and find the speed of the current.

Solve: = 4

Solve: - 9x + 4 = 0

Solve for x: + = 1

At a certain mall in Ohio,the sales tax is 7%.If the total receipt for a food processor was $160.50,what was the price of the food processor?

Solve: = 2(x + 2)

The difference between the length of a ramp and the length of the horizontal distance it covers is 4 feet.The square of the vertical distance it covers is 56 feet.What is the length of the ramp?

The difference between the length of a ramp and the length of the horizontal distance it covers is 1 foot.The square of the vertical distance it covers is 9 feet.What is the length of the ramp?

Solve: + 8t + 7 = 0

The miles a person can see to the horizon from a point above the surface of Earth is 0.85 of the square root of the person's distance in feet above the surface.Talia is 13 feet higher and sees 0.85 farther than John.How high are Talia and John above the surface?