Which of the following is an appropriate unit of measure to express the length of a door?
A. Liters
B. Kilometers
C. Millimeters
D. Meters
The length of the door could be appropriately measured in meters. Kilometers are used to measure long distances while millimeters could be used to measure the length of very small objects. However, liters are used to measure the volume of liquids or objects.
Therefore, the Correct Answer is D.
More Questions on TEAS 7 Math
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Q #1: Which of the following is the total number of whole boxes that measure 3 ft * 3 ft * 3 ft that can be stored in a room that measures 15 ft * 15 ft * 15 ft, if the size of the boxes cannot be altered?
A. 125
B. 64
C. 92
D. 18
Answer Explanation
The number of boxes is found by volume of the room divided by volume of one box.
Number of boxes
The room can hold 125 boxes.
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Q #2: To determine the cost of a meal, the restaurant considers the quantity of the meal, the number of toppings, and the types of spices. Which of the following is the dependent variable?
A. Size of meal
B. Cost of meals
C. Type of spices
D. Number of toppings
Answer Explanation
A dependent variable changes with any change made in an independent variable. From this case, cost of meals depends on other three options. In other words, the quantity of meal, number of toppings, and types of spices influence the cost of the meal.
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Q #3: The American with Disabilities Act (ADA) requires that the slope of a wheelchair ramp be no greater than 1:12. Which of the following is the minimum length of a ramp needed to provide access to a door that is 5.0 feet above the sidewalk?
A. 60 feet
B. 145 feet
C. 32.5 feet
D. 30 feet
Answer Explanation
To find the minimum length requires, we need to understand what slope in the question represents. The slope represents the ratio between the height to the length. Let x be the minimum length of the ramp. Then,
Now, we find the value of x by cross-products as follows
Thus, the minimum length required to provide access is 60 feet.
