Answer:
Step-by-step explanation:(206-3x)+x
2(3x)+x+12
ok as i think one no is statsfy this equation .
Double of 50 is 100, so 28*100=2800, now half of the answer is 2800/2=1400
Answer:multiply 470 by 3
Step-by-step explanation:
Since the rate has been solved and it is 470 you multiply 470 by 3 to find out how far it traveled in 3 hours.
[67.9 %, 82.1 %] is the answer when it has 95% confidence interval for the proportion of test-takers who answered the question correctly. So the 95% confidence interval for the proportion of test takers is [67.9 %, 82.1 %] who answered the question correctly, In order to random sample of 144 test-takers and 75% answered question correctly. So the answer in this question is [67.9 %, 82.1 %].
