time = dist/speed
Find the time it takes turtle to cover 100ft
<span> = 100/20= 5 minutes
</span>
Find the time (t.) for the rabbit to cover 100ft
<span>t. = (50/40)</span><span> + 3 + (50/40)</span>
<span>t. = 1.25 + 3 + 1.25 </span>
<span>t. = 5.5 min
the turtle won the race by 0.5 minutes</span>
Answer:
Paul's sampling method is not appropriate.
Explanation:
The 13 additional students that Paul selected are not part of the original sample, but make up another sample that should not have been added to the main sample. Only the first 100 students should be considered, in this case, in order not to show sample errors and biased results, Paul should have considered only the 87 students who responded. If an exact response from at least 100 students was so necessary, Paul should have selected a sample larger than 100 students.
Answer:
The answer is D.
Explanation:
Tax brackets don't change based on people's education.