No, 50 is not a perfect square. A perfect square is any number that can be divided by any number to get the quotient as the same number AND the quotient must be rational. When you divide 50 so that the quotient equals the divisor, you will get an irrational number. Therefore, 50 is not a perfect square.
Answer:
287 books
Step-by-step explanation
there was already 239 books. when the problem mentoins that Mary ADDS MORE books to the shelf, the operation is addition.
239+48=287
Answer:
-The value of 
:
Step-by-step explanation:
-Solve the inequality for :
-Multiply both sides by the denominator, which 
:
So, the final answer would be .
Answer:
9, 13, 17
Step-by-step explanation:
The difference between the greatest value and the least is 8, the range.
Add the three numbers to total 39, then divide by 3 to get the mean, 13.
