Answer:
Mr. Reed DATA:
rate = 40 mph ; time = x hrs ; distance = 40x miles
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Mrs. Reed DATA:
rate = 60 mph ; time = x - 3.5 hrs ; distance = 60x - 210 miles
Equation:
40x = 60x -210
-20x = -210
x = 10.5 hrs
x-3.5 = 7 hrs (Mr. Reed's time)
Step-by-step explanation:
can you help me please? brainly.com/question/22819277
Answer:A-The mean is 0 and the distribution is approximately normal.
Step-by-step explanation:
10=N I’m not 100% sure hope this helped :)
Answer: ≅37.68
Step-by-step explanation: The formula for circumference is πd. pi is equal to 3.14, so 3.14 x 12 is ≅37.68