11:12 is the answer to your question
Answer:
(-1, -7)
Step-by-step explanation:
Used desmos, also, in these situations I believe you can take the number inside the brackets and make it negative and keep the number outside the same to find the vertex.
Answer: Easily A.
Step-by-step explanation: All you have to do is look at the power of the tens. The one that is the least is A. Since none of the other choices are equal to or less than 10^7, A is your answer. In scientific notation, you almost always look at the 10^x first.
Answer:
And the confidence interval would be:

Step-by-step explanation:
Information given:
represent the sample size
represent the estimated proportion
The confidence interval would be given by this formula
For the 98% confidence interval the value of
and
, with that value we can find the quantile required for the interval in the normal standard distribution.
And replacing into the confidence interval formula we got:
And the confidence interval would be:

Answer:
9.7×10³
Step-by-step explanation:
(3.6×10³) + (6.1×10³) = (3.6+6.1)×10³ = 9.7×10³
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The factor of 10³ can be factored out while you do the sum.
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A calculator can find the sum for you. A scientific or graphing calculator will have the option to display the result in scientific notation format.