The length of a rectangular field is represented by the expression14x-3x^2+2y. The width of the field is represented by the expr
1 answer:
The length of the rectangular field is 
, and the width is 
.
To find <span>how much greater is the length of the field than the width we need to subtract the width from the length, so we have:
</span>
.<span>
Operating with the equal degree and variable terms, this difference is equal to
</span>
<span>
Answer: A
</span>
To find <span>how much greater is the length of the field than the width we need to subtract the width from the length, so we have:
</span>
Operating with the equal degree and variable terms, this difference is equal to
</span>
<span>
Answer: A
</span>
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The volume and surface area of the pyramid will be 392 / 3 cubic units and 189 square units. Then the correct option is A.
The complete question is attached below.
<h3>What is the volume and surface area of the pyramid? </h3>Suppose the base of the pyramid has length = L units, width = W units, slant height = K units, and the height of the pyramid is of H units.
Then the volume of the pyramid will be
V = (L × B × H) / 3
The surface area of the pyramid will be
SA = 2(1/2 × B × K) + 2(1/2 × L × K) + (L × B)
Then the volume will be
V = (7 × 7 × 8) / 3
V = 392/3 cubic units
Then the surface area will be
SA = 2(1/2 × 7 × 10) + 2(1/2 × 7 × 10) + (7 × 7)
SA = 189 square units
Then the correct option is A.
More about the volume and surface area of the pyramid link is given below.
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