grete waitz won the new york marathon nine times. The rate at which she ran during her last victory in 1988 was 26 miles in 148 minutes. to the nearest hundredth, what was the unit rate for her last race.

Answer

148/26 = 5.69  min/mile

Step-by-step explanation:

Unit rate    miles per minute  =    26/148 = 0.175= 0.176 miles per minute (rounded)

If you want minutes per mile  148/26 = 5.69  min/mile      

∠acb = 8°

step-by-step explanation:

∠xba lies on the circle and is half the measure of the intercepted arc ax

hence

measure of arc ax = 2 × 42° = 84°

∠acb is outside the circle and is

∠acb = (arcab - arcax ), hence

∠acb = 0.5 (100 - 84) = 0.5 × 16° = 8°

30 feet

step-by-step explanation:

that would be 2 1/2 * 12

= 24 + 6

= 30 feet   (answer)