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attashe74 [19]
3 years ago
6

Can someone help with this question?

Mathematics
2 answers:
Tresset [83]3 years ago
8 0

The volume of a rectangular prism is given by the product of its dimension: let w, h, l be the width, height and length of the prism, we have

V = whl

In your case, everything is given except the width:

144 = w\cdot 3 \cdot 12 \iff 144 = 36w \iff w = \dfrac{144}{36} = 4

Juli2301 [7.4K]3 years ago
6 0

Answer:

w = 4 m

Step-by-step explanation:

The volume (V) of a cuboid is

V = lwh ( l is length, w is width and h is height )

Given V = 144 m³, then

lwh = 144 ( substitute l = 3 and h = 12 )

3 × w × 12 = 144

36w = 144 ( divide both sides by 36 )

w = 4

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