L 3.1.3 Quiz: Midpoint Formula Question 10 of 10
What is the location of the point on the number line that is
2/9 of the way from
A = 5 to B= 23?
A. 10
B. 9
O
C. 7
D. 8
SUBMIT

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

At the olympic games, many events have several rounds of competition. one of these events is the men's 100-meter backstroke. the upper dot plot shows the times (in seconds) of the top 8 finishers in the final round of the 2012 olympics. the lower dot plot shows the times of the same 8 swimmers, but in the semifinal round. which pieces of information can be gathered from these dot plots? (remember that lower swim times are faster.) choose all answers that apply: a: the swimmers had faster times on average in the final round. b: the times in the final round vary noticeably more than the times in the semifinal round. c: none of the above.

Suppose that sahil knows that 45 people with ages of 18 to 29 voted. without using a calculator, he quickly says then 135 people with ages of 30to 49 voted. is he correct? how might sohil have come up with his answer so quickly?