Is 12/15 greater than 12/14
2 answers:
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The area of a shape is the amount of space it can occupy.
<em>The surface area of the larger prism is 4 times the surface area of the smaller prism. </em>
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<em>Let the dimension of one side of the smaller prism be: l and w</em>
<em>Let the dimension of one side of the bigger prism be: L and W</em>
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So, we have:
The area of these corresponding sides are:
---- the first
While, the area of the second is:
The ratio of these two sides are:
<em>This gives</em>
Cancel out common terms
Express as fractions
Also, we have:
This gives
Cross multiply
Hence, option (c) is true
Read more about areas at:
Answer:
Step-by-step explanation:
Given
Required
Find x
When the result is 4.4, we have:
This gives:
Divide both sides by 2
Square both sides
When the result is 4.5, we have:
Divide both sides by 2
Square both sides
So, the value of x is between 4.84 and 5.0625
i.e.
The only integer between the above interval is 5.
Hence: