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Aneli [31]
3 years ago
13

The cuboid and the triangular prism have the same volume. Find the value of x.

Mathematics
1 answer:
elena-14-01-66 [18.8K]3 years ago
8 0

Answer:

x = 25

Step-by-step explanation:

The volume (V) of the triangular prism is calculated as

V = Al ( A is the area of the triangular face and l is its length )

A = \frac{1}{2} bh = 0.5 × 5 × 8 = 20 cm² , then

V = 20 × 20 = 400 cm³

The volume of the cuboid is calculated as

V = lbh = 3.2 × 5 × x = 16x

Given V = 400 cm³ , then

16x = 400 ( divide both sides by 16 )

x = 25

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Can someone please help me solve this?
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b. 2x + 2 = x + 5 ← combined like terms on left side 
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