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Ronch [10]
2 years ago
8

Explain why systems of measurement are defined and provide an example to support your answer.

Mathematics
1 answer:
sasho [114]2 years ago
3 0

Answer:

A unit of measurement is a specific magnitude of a certain quantity that is specified and recognized by convention or legislation and is commonly used as a standard for measuring the same kind of quantity. We would randomly confuse the computations if the unit system was not given to the measurements.

Step-by-step explanation:

Example: If someone wrote 200 as a response to a question on a piece of paper. But You neglected to mention the measuring units. Anyone can mistake it because there are no units written apart from the number (unit less). Complications multiply. It's impossible to say whether it's 200 m or 200 g. 200 milliliters? 200 kilometers, 200 seconds, or 200 meters? It's possible to guess anything. We should always utilize units to be specific about the answer to any problem. This will assist in narrowing down the approach to any challenge and providing a measurable linked quantity regarding the topic in question.

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Answer:

$144

Step-by-step explanation:

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Step-by-step explanation:

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What expression shows the factored form of -1.5 plus 7.5
Mashcka [7]
-1.5 + 7.5

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7 0
3 years ago
Select the correct answer from each drop-down menu. In a circle with a radius of 7 feet, the radian measure of the central angle
trasher [3.6K]
In a circle, the number of radians is proportional to the relative length of the arc, in comparison to the radius. We have that if we denote by x the radians, the following proportionality holds, relating angles and lengths:
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because the total of angles in radians is 2pi and the total circumference is 2pi times the radius. Hence, by solving for x we get: x=4/7=0.57 rad

We also have that the area is proportional to the angles. The total are is \pi r^2. Hence, A=\frac{4}{2 \pi 7 } *\pi* 7^2= 14 square feet.
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