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Mathematics

1 answer:

arsen [322]3 years ago

7 0

Answer:

<u>Answer: 39</u>

Step-by-step explanation:

<u>Volume of a Pyramid</u>

Given a pyramid of triangular base area Ab and height H.

The volume of the pyramid is calculated by the formula:

$\displaystyle V=\frac{1}{3}A_b\cdot H$

The perfume bottle is in the shape of a triangular pyramid with a height of H=9 inches. The area of the base is Ab=13 (square) inches.

Calculating the volume by substituting the given values:

$\displaystyle V=\frac{1}{3}13\cdot 9$

$\displaystyle V=39 \ in^3$

Answer: 39

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Option B: $A(w) = -w^2+100w$
Substitute w = 10 and check if we'd get 900 as the answer
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Option C: $A(w)=w^2+40w$
Substitute w = 10 and check if we'd get 900 as the answer
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Answer: Option B

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