1 answer:
Answer:
see explanation
Step-by-step explanation:
Her error is in squaring (2y)²
She has (2y)² = 2y²
when it should be 2y × 2y = 4y²
Then
(2y)² = 6² + 8²
4y² = 36 + 64
4y² = 100 ( divide both sides by 4 )
y² = 25 ( take square root of both sides )
y = 
= 5
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Answer:
29.30
Step-by-step explanation:
Note:
4.5 as a decimal is 0.045
So You can multiply 4.5% by 28 or 0.045 by 28 Either way work.
28 x 4.5%=1.26
28+1.26=29.26
Rounding:
29.30
[RevyBreeze]
Answer:
I think it is 1
Step-by-step explanation:
I am sorry if it is not correct
Answer:
15 (simplified)
Step-by-step explanation:
Correct me if im wrong but i believe 170 of them were damaged
