Answer:
11/15
Step-by-step explanation:
22 = 11 x 2
30 = 15 x 2
Divide each number in the original fraction by 2
Answer: anwser 3
Step-by-step explanation:
Answer:
7.6m/s
Step-by-step explanation:
Find the time the Olympian swam
Speed=distance/time ⇒⇒Time=distance/speed
Distance=200m , speed= 1.8m/s t= 200/1.8 = 111.11 seconds
Find the speed of the Olympic runner
Distance=200m time = 21.3 sec
s=200/21.3 = 9.4 m/s
Difference in speed= 9.4-1.8= 7.6m/s
Answer:
120
Step-by-step explanation:
all complementary angles should add up to 180 degrees