dbrwnn
17.07.2019 •
Mathematics
The driving distance between manchester and london is 195 miles. farris intends to travel from manchester to london by coach. the coach will leave manchester at 3.30pm. fairs assumes that the coach will travel at an average speed of 50 mph. a) using his assumption, work out faris' arrival time in london.
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Ответ:
Faris' arrival time = 3:30 pm + 3 h 54 mnt = 7:24 pm
Step-by-step explanation:
Driving distance between Manchester to London = 195 miles
Coach left Manchester = 3.30 pm
Average speed of coach = 50 mph
Total time taken by the coach to reach the Manchester to London = 195÷50 = 3.9 h
0.9 h = 0.9×60 mnt = 54 mnt
Now,
3.9 h = 3 h 54 mnt
Hence Faris' arrival time in London = 3.30 pm + 3 h 54 mnt = 7.24 pm
Ответ:
Under his assumption, Farris will arrive to London at 7:24 PM.
Since the driving distance between Manchester and London is 195 miles, and Farris intends to travel from Manchester to London by coach, and the coach will leave Manchester at 3.30pm, and Farris assumes that the coach will travel at an average speed of 50 mph, to determine, using his assumption, Faris' arrival time in London, the following calculation must be performed:
3:30 + 195/50 = X 3:30 + 3.9 = X 1 = 60 0.9 = X 60 x 0.9 = X 54 = X 3:30 + 3:54 = X 7:24 = XTherefore, under his assumption, Farris will arrive to London at 7:24 PM.
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Ответ:
Step-by-step explanation:
10^x = 9Log both sides:
log 10^x = log 9x log 10 = log 9x*1 = log 9x = log 9Correct choice is A