Lewis needed to find the difference in lengths between the hypotenuse and the longest leg of this triangle. His work is shown be
low.
What errors did Lewis make? Check all that apply
What errors did Lewis make? Check all that apply
2 answers:
Answer:
He simplified incorrectly. It should be 20 instead of 200.
Step-by-step explanation:
Lewis made a mistake on the 5th line of his solution.
Square root of 400 is 20, NOT 200.
So the answer for would be 20.
And the difference between hypotenuse (20) and longer leg of the two (16) is
First answer choice is correct one.
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Step-by-step explanation:
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Answer:
The answer is below
Step-by-step explanation:
Given that:
Mean (μ) = 1.93, standard deviation (σ) = 1.08 pounds, sample (n) = 62.
the mean weight of discarded plastic for all household is given by:
The standard deviation of discarded plastic for all household is given by:
The confidence (c) = 90% = 0.9
α = 1 - c = 1 - 0.9 = 0.1
α/2= 0.1/2 = 0.05
The z score of 0.05 corresponds to the z score of 0.45 (0.5 - 0.05) which is 1.645. i.e.
The margin of error (E) =
The confidence interval =
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