Nan cut a submarine sandwich into 4 equal parts and ate one part. what fraction represents the part of the sandwich Nan ate?
2 answers:
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Answer:
see explanation
Step-by-step explanation:
given
a² + b² = c² ( isolate b² by subtracting a² from both sides )
b² = c² - a² ( take the square root of both sides )
= ±
b = ±
Answer:
No.
Step-by-step explanation:
and
could be irrational and
be rational.
Example:
Let and
.
And and 0 is rational.