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diamong [38]
3 years ago
14

If the lateral area of a right rectangular prism is 384 cm^2, its length twice its width, and its height is twice its length, fi

nd the width of the prism
Mathematics
1 answer:
Katen [24]3 years ago
7 0
Width = w
Length = 2w
Height = 4w
w \times 2w  = 384 \\  {2w}^{2}  = 384 \\  {w}^{2}  = 192 \\ w = 13.86cm
Width = 13.86cm

Hope this helps. - M
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Answer:

\huge\boxed{\text{D)} \  15x^4 + 2x^3 - 8x^2 - 22x - 15}

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Now let's do the same with the second term (-2x) and the third term (-3).

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Phew, that's one big polynomial! We can simplify it by combining like terms. We can combine terms that share the same exponent and combine them via their coefficients.

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This simplifies our expression down to 15x^4 + 2x^3 - 8x^2 - 22x - 15.

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