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garri49 [273]
3 years ago
9

The height of a rectangular prism is found by dividing volume, V, by the base area, B. If the volume of the rectangular prism is

represented by 6x2 – 2x + 8 and the base area is 2x – 4, which expression represents the height? 3x + 5 – 3x – 7 + 3x + 5 + 3x – 7 –

Mathematics
2 answers:
weeeeeb [17]3 years ago
8 0

Answer:

(3x+5)+\frac{28}{2x-4}

Step-by-step explanation:

Since,

The volume of a rectangular prism = Base area × Height,

Given,

Volume of the rectangular prism = 6x^2-2x+8

Base area = 2x - 4

Let h be the height,

\implies 6x^2-2x+8=(2x-4)h

\implies h = \frac{6x^2-2x+8}{2x-4}

By long division ( shown below ),

h=(3x+5)+\frac{28}{2x-4}

Which is the required expression that represents the height.

Annette [7]3 years ago
6 0

Answer:

(3x+5) + \frac{14}{x-2}

Step-by-step explanation:

We are given the following information in the question:

Volume of rectangular prism =

6x^2 - 2x + 8

Area of base of prism =

2x -4

Formula:

\text{Volume of Prism} = \text{Area of base}\times \text{Height of prism}\\\\\text{Height of prism} = \displaystyle\frac{\text{Volume of Prism} }{\text{Area of base}}

Putting the values we, get,

\text{Height of prism} = \displaystyle\frac{6x^2 - 2x +8}{2x-4} = \frac{2(3x^2-x+4)}{2(x-2)}= (3x+5) + \frac{14}{x-2}

Hence, the height of the prism is given by the expression (3x+5) + \frac{14}{x-2}

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