Step-by-step explanation:
5 - 3x = -6 ( x + 2 )
5 - 3x = -6x - 12
-3x + 6x = - 12 - 5
3x = - 17
Answer:
Exact Form:
x = −17/3
Decimal Form:
x = − 5.6
Mixed Number Form:
x = − 5 2/3
188 m
Hi
1 mile = 5280 feet
at 90 mile per hour, you have 5280 *90 = 475 200 feets
an hour is 60*60 = 3600 second
so in 1 second the train travel : 475 200 /3600 = 4752 /36 = 132 feets
so in 10 seconds : 132*10 = 1320 feets.
B
too easy
