Answer:
16h^2-4h-42
Step-by-step explanation:
4h times 4h is 16h^2
4h times -7 is -28h
4h times 6 is 24h
6 times -7 is -42
Combine like terms to get 16h^2-4h-42
Choice a because 4 x -6 is -24
Also cuz -6x + 4x is -2x
You can flip a coin, heads can be true and tales can be false.
Answer: The width of the confidence interval is 8%.
Step-by-step explanation:
- The width of the confidence interval is twice the margin of error.
Given : A 90 percent confidence interval to estimate a population proportion was calculated from a Sample proportion = 18 % .
Margin of error = 4 %.
Then , the width of the confidence interval = 2 x (Margin of error)
= 2 x (4%)
= 8%
Hence, the width of the confidence interval is 8%.
Answer:
24 cubic feet
Step-by-step explanation:
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