The mean that the library and calculated is not correct. Her mistake was she divided 55 by 8 instead of dividing by 10.
Please see the attached picture for the work in finding the correct mean of 5.5 books.
Answer:
m=-13
Step-by-step explanation:
What you do is you minus 45 from each side to get.
m=-13 as your answer.
The letter "x" is often used in algebra to mean a value that is not yet known. It is called a "variable" or sometimes an "unknown". In x + 2 = 7, x is a variable, but we can work out its value if we try!
Hope this helps
Answer:42
Step-by-step explanation:
Answer:
A=28.27units2
Step-by-step explanation:
im not positive on this but you can try
