I’m pretty sure that the answer is the 3rd one
Answer:
Rational
Step-by-step explanation:
A number is rational if it can be expressed as a fraction. Because -0.1254 can be expressed as the fraction –627/500, it is rational.
Answer:
Mixed number: 8 and 4/100
Improper fraction: 804/100
Since it says to not simplify, those are the answers.
Answer:
The margin of error for the 99% confidence level for this sample is ±2.23.
None of the given figures is close to the answer:
E. None of the above
Step-by-step explanation:
margin of error (ME) around the mean can be calculated using the formula
ME=
where
- z is the corresponding statistic of the 99% confidence level (2.576)
- s is the population IQ standard deviation (15)
- N is the sample size (300)
Using these numbers we get:
ME=
≈ 2.23
Answer:
(x, y) = (-1.8, -1.4)
Step-by-step explanation: