Explanation:
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The architectural construction method that consists of two uprights and a crossbeam is called post-and-lintel system
<h3>What are the building construction members?</h3>
The architectural construction method that consists of two uprights and a crossbeam is called post-and-lintel system. This is because in building construction, a system in which two upright members, the posts, hold up a third member, the lintel, laid horizontally across their top surfaces.
The post-and-lintel system is a simple method of construction involving the use of vertical and horizontal elements. The verticals support the horizontals, creating one Storey of a building. Additional verticals can be placed atop the horizontals to create structures with more than one level.
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Using the image attached. The option that shows the marginal rate of substitution is option b.
<h3>What is marginal rate of substitution?</h3>
The marginal rate of substitution (MRS) is known to be the number of a good that a consumer is said to be willing to take in when compared to another good, only if the new good is said to be equally satisfying.
The marginal rate of substitution (MRS) is also described as the rate in which a specific units of an item is said to be replaced by another only if by giving the same amount of satisfaction to its consumer.
Hence, The MRS concept tells about the association between the taking in of two goods or resources if consumers are said to make rational decisions.
Hence, the option that satisfy the above is option B. Therefore, Using the image attached. The option that shows the marginal rate of substitution is option b.
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The displacement of the girl which the relative change in her position from her starting point. Therefore, the shortest distance between her initial and final position is 58.85 m North - West
From the sketch of the girls movement attached below, the displacement of the girl can be calculated thus :
Using Pythagoras :
Displacement, d = √(50² + 20²)
d = √(2500 + 400)
d = √2900
d = 53.851
Therefore, the displacement of the girl, which is the shortest distance between her current position and starting position is 53.85 meters NW.
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