B{even number less than 50} is which set
1 answer:
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Answer:
5. 9 8.
Step-by-step explanation:
a²+b²=c²
so for #5 12²+b²=15²
144+b²=225 (subtract 144 from both sides)
b²=81
b=9
For #8
9²+b²=11²
81+b²=121 (subtract 81 from both sides)
b²=40
b=
=
A rational expression is undefined if the denominator is zero. Since the denominator is , the expression is undefined if