Can a 3 x 2 matrix be added or subtracted with a 4 x 3 matrix?

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  No

Step-by-step explanation:

Matrix addition and subtraction are defined operations only for matrices of the same dimensions.

A 3×2 matrix cannot be added or subtracted with a 4×3 matrix.

No, you cannot.

Explanation:

You can only add or subtract matrices when they have matching dimensions, meaning they both need to have the same number of rows and columns to be added and subtracted.

Hope this helps :)

answer: option a.

step-by-step explanation:

you know that the quadrilateral opqr ( a four sided figure) is inscribed in circle. this means that all its vertices are on the circle.

then, by definition, the opposite angles of the quadrilateral are supplementary, this means that the sum of their measures is 180 degrees.

you can observe in the figure that the angles ∠opq   and the angle ∠orq   are opposite, therefore:

then, can be used to d to calculate the measure of ∠opq