Answer:
2 and 4
Step-by-step explanation:
Answer:
look at this
Step-by-step explanation:
16x2=32
21x2=42
32+42=54
the perimeter is 54
Option A is correct.
Step-by-step explanation:
We need to identify which statement is true in matrix addition.
In matrix addition we just add the corresponding elements.
In the options given only Option A is correct i.e, (n+4)-7 = 18
All other options have error in them.
In Option B there should be -12 instead of +12
In Option C there should be -11 instead of 11
In Option D we are not adding corresponding entries.
So, Option A is correct.
Keywords: Matrix addition
Learn More about Matrix Addition at:
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Answer:
B and E
Step-by-step explanation:
