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Questions and Answers
Convert 0.75 meters to centimeters.
Convert 0.75 meters to centimeters.
- 100.0 cm
- 50.0 cm
- 75.0 cm (correct)
- 80.0 cm
Percentage means?
Percentage means?
- Always a fraction
- Part of a whole
- Out of 100 (correct)
- Decimal value
Convert 0.86 into a fraction. Reduce to lowest terms.
Convert 0.86 into a fraction. Reduce to lowest terms.
- 21/25
- 24/25
- 43/50 (correct)
- 86/100
The metric ruler is divided into?
The metric ruler is divided into?
A room measures 12 feet by 16 feet long. What is the square footage of this room?
A room measures 12 feet by 16 feet long. What is the square footage of this room?
You have 5,814 feet of rope that you need to cut into 27-foot sections. How many sections do you have?
You have 5,814 feet of rope that you need to cut into 27-foot sections. How many sections do you have?
In the metric system, each millimeter increment is ______?
In the metric system, each millimeter increment is ______?
Your job as a carpenter pays $20/hour and you worked 40 hours last week. The taxes paid from your salary were $83 and $19. How much is your total check?
Your job as a carpenter pays $20/hour and you worked 40 hours last week. The taxes paid from your salary were $83 and $19. How much is your total check?
The marked measurement in the figure above indicates ___?
The marked measurement in the figure above indicates ___?
An electrician earns $25.00 per outlet he installs. The cost of material is $7.50 per outlet. A new addition needs 12 outlets installed. How much money will he earn?
An electrician earns $25.00 per outlet he installs. The cost of material is $7.50 per outlet. A new addition needs 12 outlets installed. How much money will he earn?
What is 8/12 - 4/8? Reduce to the lowest terms.
What is 8/12 - 4/8? Reduce to the lowest terms.
What is 7/8 times 3/9? Reduce to the lowest terms.
What is 7/8 times 3/9? Reduce to the lowest terms.
What are the marked measurements?
What are the marked measurements?
A screw is 3 7/10 inches long. Using decimals, this is written as ___________ inches?
A screw is 3 7/10 inches long. Using decimals, this is written as ___________ inches?
Convert 612 centimeters to meters.
Convert 612 centimeters to meters.
Multiply 4.5 times 7.
Multiply 4.5 times 7.
One sheet of drywall weighs 48.7 pounds. You have ordered 50 sheets so your total order will weigh?
One sheet of drywall weighs 48.7 pounds. You have ordered 50 sheets so your total order will weigh?
You need to mix 42 pounds of mortar. Each pound of mortar mix requires 0.03 liters of water. How many liters of water do you need?
You need to mix 42 pounds of mortar. Each pound of mortar mix requires 0.03 liters of water. How many liters of water do you need?
Convert 0.78 into a percentage.
Convert 0.78 into a percentage.
A carpenter has to build an addition which needs 150 studs. Each stud costs $6.75. What is the total cost of the studs needed?
A carpenter has to build an addition which needs 150 studs. Each stud costs $6.75. What is the total cost of the studs needed?
The equivalent of 3/4 inch is?
The equivalent of 3/4 inch is?
While the measurement of the individual angles in a triangle can vary, their sum is always ______ degrees?
While the measurement of the individual angles in a triangle can vary, their sum is always ______ degrees?
When converting decimals to a percentage, simply move the decimal point ______?
When converting decimals to a percentage, simply move the decimal point ______?
The area of a triangular roof section with a base of 7 feet and a height of 3.5 feet is?
The area of a triangular roof section with a base of 7 feet and a height of 3.5 feet is?
You have to lay a floor for a 14-foot square shed. The area is______ square feet?
You have to lay a floor for a 14-foot square shed. The area is______ square feet?
The volume of a 9 inch cube is?
The volume of a 9 inch cube is?
The volume of a shape in the metric system is stated in the terms of?
The volume of a shape in the metric system is stated in the terms of?
What is 1/3 of a dollar?
What is 1/3 of a dollar?
The metric system is used to measure length, weight, volume, and?
The metric system is used to measure length, weight, volume, and?
1/4 + 3 + 8. Reduce to the lowest terms.
1/4 + 3 + 8. Reduce to the lowest terms.
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Study Notes
Conversions and Measurements
- Converting 0.75 meters equals 75 centimeters.
- Convert 0.86 to a fraction yields 43/50 (0.86/100).
- 612 centimeters can be converted to 6.12 meters.
- A screw measuring 3 7/10 inches is written as 3.70 inches in decimal form.
Mathematical Operations
- Percentage represents a value out of 100.
- To calculate square footage, multiply room dimensions: 12 feet by 16 feet equals 192 square feet.
- For 5,814 feet of rope cut into 27-foot sections, there will be 215 sections with 9 feet remaining.
- Multiply 4.5 by 7 to get 31.5.
Financial Calculations
- A carpenter earning $20/hour for 40 hours, minus $102 in taxes, has a total check of $698.
- An electrician earns $300 from installing 12 outlets, charging $25 per outlet with materials costing $7.50 each.
- The total cost for 150 studs at $6.75 each amounts to $1,012.50.
Geometry Basics
- Each millimeter is 1/1000th of a centimeter.
- The area of a triangular roof section with a base of 7 feet and height of 3.5 feet is 24.5 square feet.
- A square room with 14-foot sides has an area of 196 square feet.
Fractions and Percentages
- Simplifying 8/12 - 4/8 results in 1/6.
- Simplifying 7/8 times 3/9 gives 7/24.
- To convert 0.78 to a percentage, it is 78%.
- For mixed numbers, the equivalent of 3/4 inch should be calculated based on context.
General Knowledge
- In a triangle, the sum of the internal angles is always 180 degrees.
- Converting decimals to percentages requires moving the decimal point two places to the right.
- The metric system measures temperature, in addition to length, weight, and volume.
- The volume of a shape in metric is expressed in cubic meters (cu m).
Weight and Volume
- One sheet of drywall weighs 48.7 pounds; thus, 50 sheets weigh 243.5 pounds.
- The volume of a cube measuring 9 inches features calculations for each side: 9 x 9 x 9 equals 729 cubic inches.
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