Step-by-step explanation:
4t-2k+5k-t
=3t -3k
= 3( t-k)
Scalar multiplication of a matrix refers to the
multiplication of all the elements of the matrix by an ordinary number which is
called a scalar.
From the given options the statements which are true about
scalar multiplication of matrices are;
a)
You can
multiply a matrix of any size by a scalar.
b)
For any matrix A, 1 × A = A.
c)
Scalar multiplication is a shortcut for repeated
addition of the same matrix.
The answer to this question is
1. 60%
2. 30%
It is an acute triangle since all the sides are less than 90 degrees (it's also equilateral)