Parker has $2,500 in her bank account that earns 3.8% interest annually. How much money will she have in her bank account after
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Answer:
<h2>The area of the base is 144 square inches.</h2><h2>The area of each triangular face is 66 square inches.</h2><h2>Grabiel needs 408 square inches of paint.</h2>Step-by-step explanation:
The complete problem is attached.
Notice that the figure is a square pyramid, where its base dimensions are 12 inches by 12 inches, which represents an area of
The slant height of the pyramid is 11 inches, which allow us to find the area of each triangle face
But there are four triangle faces, so .
Therefore, the area of each triangular face is 66 square inches.
So, the total surface area would be the sum
Therefore, Gabriel needs 408 square inches to paint the whole model.
Answer:
See explanation
Step-by-step explanation:
1. Given the expression
Note that
When dividing by
we have to subtract powers (we cannot subtract 4 from 7, because then we get another expression), so
and the result is
2. Given equation
Add 4:
Divide by 3:
Rewrite the equation as:
Hence,