Given:
The expression is
To find:
The error in Frankie's work.
Solution:
We need to simplify , so
and,
Now,
Therefore, there is error in Frankie's last step. In that step, he did not subtract the mixed fraction correctly.
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2 answers:
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Answer: 3. 4 4.
Step-by-step explanation:
8^2 + 12^3 = c^2
64 + 144 = c^2
208 = c^2
√208
The final answer is the square root of 208
8^2 + b^2 = 17^2
64 + b^2 = 289
-64 64
b^2 = 225