9514 1404 393
Answer:
216 mi/h
Step-by-step explanation:
The time for the trip with the wind is ...
(1080 mi)/(225 +45 mi/h) = 4 h
The time for the trip against the wind is ...
(1080 mi)/(225 -45 mi/h) = 6 h
The average speed for the entire round trip is ...
(2160 mi)/(4 +6 h) = 216 mi/h
Answer:
b is the answer
Step-by-step explanation:
Answer:
b, c, d.
Step-by-step explanation:
Answer:
4.6
Step-by-step explanation:
Answer:
34
9 + 25
Step-by-step explanation:
Step 1: Define expression
a² + b²
a = 3
b = 5
Step 2: Substitute
3² + 5²
Step 3: Evaluate
9 + 25
34