Answer:
Step-by-step explanation:
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:
#learnwithBrainly
Round to the nearest significant number
275,000,000 = 2.75^8
2.75^8 is your answer
hope this helps
Answer:
-339.7
Step-by-step explanation:
quickmaths
All you have to do is divided 43.54 divided by 3.5 which is 12.44 mph
