(x-1)(x+1)= выполнить умножение
1 answer:
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Answer:
A. 1,825 days
B. 56 days
C. 1 week
D. 1,209,600 seconds
E. 43,200 seconds
F. 2 hours
Step-by-step explanation:
A. 1 year = 365 days, then
5 years = days = 1,825 days.
B. 1 week = 7 days, then
8 weeks = days = 56 days.
C. 7 days = 1 week.
D. 1 hour = 3,600 seconds, then
336 hours = seconds = 1,209,600 seconds.
E 12 hours = seconds = 43,200 seconds.
F. 3,600 seconds = 1 hour, then
7,200 seconds = hours = 2 hours.