Spirit Airlines kept track of the number of empty seats on flight 308 (DEN—DTW) for 10 consecutive trips on each weekday.
1 answer:
You might be interested in
Let us try and solve it analytically. We have that the side=x+3 together with the short side=s and the diagonal=x+4 satisfy the Pythagorean Theorem. Then we have that 
. This yields 
which yields s^2=2x+7, hence a) is the correct answer.
which yields s^2=2x+7, hence a) is the correct answer.