A box contains $7.05 in nickels, dimes, and quarters. There are 42 coins in all, and the sum of the numbers of nickels and dimes
1 answer:
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Answer:
principal square root
Step-by-step explanation:
Let .
Then
We have a negative square root for x, which is and a nonnegative square root,which is
The nonnegative square root is callled the principal square root .
Therefore the best complete to the statement;
A -------- is the nonnegative Square root of a number, is principal square root.