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:
I think it's 7
Step-by-step explanation:
I'm guessing I think
25 because 4(8)-7 = 32-7 = 25
B.)10 inches
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you need to plug in 10
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thats if you don't know what to do
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the easy way
Answer:
95
Step-by-step explanation:
Average =
Sum
Count
=
332
4
= 83
Your answer will be 150 percent
