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gayaneshka [121]
3 years ago
11

The volume of a rectangular prism varies jointly with the length and width of the figure when the height remains constant. The v

olume of a rectangular prism is 672 cubic centimeters. The figure has a length of 8 centimeters and a width of 14 centimeters. A second prism has a length of 12 centimeters and a width of 8 centimeters. What is the volume of the second prism? 576 cubic centimeters 768 cubic centimeters 784 cubic centimeters 1,344 cubic centimeters
Mathematics
2 answers:
guapka [62]3 years ago
7 0

Answer:

The correct option is 1.

Step-by-step explanation:

The volume of a rectangular prism varies jointly with the length and width of the figure when the height remains constant.

Let the height of both rectangular prism be h cm.

The volume of a prism is

V=l\times b\times h

Where, l is length, b is breadth or width and h is height.

The volume of a rectangular prism is 672 cubic centimeters. The figure has a length of 8 centimeters and a width of 14 centimeters.

672=8\times 14\times h

672=112h

Divide both sides by 112.

\frac{672}{112}=h

6=h

The value of h is 6 cm. It means the height of both prism is 6 cm.

A second prism has a length of 12 centimeters and a width of 8 centimeters.  So, the volume of second prism is

V=12 \times 8\times 6

V=576

The volume of second prism is 576 cubic centimeters. Therefore the correct option is 1.

pogonyaev3 years ago
4 0

1st Prism = 8*14 = 112

672/112 = 6


2nd prism = 8*12=96

96*6 = 576 cubic cm


 answer is 576 cubic centimeters

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