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algol [13]
3 years ago
14

What is a variable?

Mathematics
1 answer:
mart [117]3 years ago
7 0
A variable is an unknown number or value represented by a letter.

For example find the missing variable:

2x - 3 = 9
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Cora is creating a rectangular prism. The base of her prism is shown below. She plans to have a height of 8
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Answer:

See the explanation.

Step-by-step explanation:

Cora is making a rectangular prism. She plans to have 8 inches if height. What will be the volume of the rectangular figure?

As the figure formed is a rectangular prism. we need to find the volume of  rectangular prism. Volume of prism will be:

Volume = Length · Width · Height

As she wants to have 8 inches of height, substitute it in the given equation:

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