Answer: 3. Distributive
Step-by-step explanation:
Distributive property of multiplication over addition is the only property that is require to multiply an expression to the other expression with two or more than two terms.
For example: a (b+c)= a b+ac , where a,b,c can be any expression.
Given expression: -5(x-3) = -5x +15 , which illustrates the distributive property of multiplication over addition.
Hence, the correct option is 3. Distributive.
The rest of properties cannot work for multiplication over addition as they are used for one operation.
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step by step explanation:
Answer:
A is 15, B is 75, and C is 30
Step-by-step explanation:
A symmetric matrix is a square matrix that is equal to its transpose.
<h3>Symmetric matrix</h3>
In order to understand what is meant by a symmetric matrix, we must first understand the following;
- A matrix is an arrangements of elements in rows and columns.
- A square matrix has equal number of rows and columns.
- The transpose of a matrix is a matrix obtained by interchanging rows and columns.
Hence, a symmetric matrix is a square matrix that is equal to its transpose.
Learn more about symmetric matrix: brainly.com/question/26184753